[Academic Journal | International Conference]

Academic Journal

2024年

・Rubing Zuo, Ryosei Kinoshita, Hanqiao Ye, Hirotake Kajii, Akihiro Maruta,and Masahiko Kondow: “Room-Temperature Continuous Wave Lasing of Circular Defect in 2D Photonic Crystal (CirD) Laser with AlOx Cladding Layers Fabricated by One-Step Dry Etching” Phys. Status Solidi A, 2300576, 2024.1.

・Yuki Adachi, Issei Sada, Masato Morifuji, Hirotake Kajii, Akihiro Maruta,and Masahiko Kondow: “Improvement of Output Extraction Efficiency by Optimizing Edge Structure of Circular Defect in Photonic Crystal Laser” Phys. Status Solidi A, 2300579, 2024.1.

2023年

・Rubing Zuo, Shotaro Hirata, Shota Aomori, Masaya Morita, Hanqiao Ye, Hirotake Kajii, Masato Morifuji, Akihiro Maruta, and Masahiko Kondow: “Investigating wavelength bandwidth of orthogonal lattice waveguide for circular defect in two-dimensional photonic crystal (CirD) lasers” Japanese Journal of Applied Physics Vol. 62, pp. 022002-1- 022002-6, 2023.2.

・Yuki Adachi, Yifan Xiong, Hanqiao Ye, Rubing Zuo, Masaya Morita, Kenta Kaichi, Ryosei Kinoshita, Masato Morifuji, Akihiro Maruta, Hirotake Kajii, and Masahiko Kondow: “Advanced dry etching of GaAs/AlGaAs multilayer wafer with InAs quantum dot for circular defect in photonic crystal laser” IEICE Electronics Express Vol. 20, pp. 20230054-1-20230054-5, 2023.3.

・Rubing Zuo, Hanqiao Ye, Ryosei Kinoshita, Munenari Kataguchi, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, and Masahiko Kondow: “Investigation into Oxidation Width of AlGaOx Cladding Layer for Circular Defect in 2D Photonic Crystal Laser” Phys. Status Solidi A, 2300556, 2023.11.

・Hirotake Kajii, Yuto Takayama, Shinsei Yamada, Maowei Huang, Masahiko Kondow, "Improved Characteristics of Fluorene‐type Polymer Light‐Emitting Devices Based on Multilayer Formation from Polymers and Solution‐Processable Wide Bandgap Inorganic Copper(I) Thiocyanate with p‐Type Conduction and High Refractive Index", Phys. Status Solidi A, 220, pp.2300258-1-9 (2023).

・Izuto Takimoto, Hirotake Kajii, Ryo Takahashi, Ayumu Nagakawa, Takahiro Miyazaki, Keizo Kanazawa, Hiroshi Murakami, Suzuka Fujita, Taichiro Morimune, "Semitransparent Organic Position Sensitive Detector with Thin Ag Electrode toward the Angle Detection of Incident Light Using Stacked‐Type Device", Phys. Status Solidi A, Vol.220, pp.2300141-1-6 (2023).

・Shinsei Yamada; Hirotake Kajii; Maowei Huang; Akihito Okamoto; Haruki Bai; Shintaro Toda; Masahiko Kondow, "Improved NiOx surface using phosphonic acid-based self-assembled monolayer treatment toward printed light-emitting diodes", 2023 30th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD), Kyoto, Japan, pp. 1-3, 2023. [Conference paper]

2022

・梶井博武、森宗太一郎、光センサ応用にむけた狭帯域有機光電変換デバイス、日本印刷学会、Vol.59, pp.123-130 (2022). [総説]

・Hirotake Kajii, Yuto Takayama, Masato Morifuji and Masahiko Kondow, "Fabrication and Characteristics of Weak Microcavity AC-driven Insulated Polymer Electroluminescent Devices with Dielectric Film Mirrors Utilizing Ferroelectric Polymer Poly(vinylidene fluoride-trifluoroethylene) Film," 2022 29th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD), Kyoto, Japan, 2022, pp. 150-151, doi: 10.23919/AM-FPD54920.2022.9851280. [Conference paper]

2021

・Takuya Yamaguchi, Masato Morifuji, Hirotake Kajii, and Masahiko Kondow: “Theoretical investigation on communication bandwidth of an orthogonal symmetry-based photonic crystal waveguide for wavelength division multiplexing” Photonics and Nanostructures - Fundamentals and Applications, Vol. 43, pp. 100892-1- 100892-6, 2021.1

・Hirotake Kajii, Masahiko Yoshinaga, Tatsuya Karaki, Masato Morifuji, and Masahiko Kondow: “Microcavity polymer electroluminescent devices with solution-processed dielectric distributed Bragg reflectors utilizing inorganic copper (I) thiocyanate and insulating polymers” Organic Electronics, Vol. 88, pp. 106011-1-106011-8, 2021.1.

・Hanqiao Ye, Tomoya Nishimura, Yifan Xiong, Takuya Yamaguchi, Masato Morifuji, Hirotake Kajii, and Masahiko Kondow: “Theoretical Analysis on Operation Speed of the Circular Defect in 2D Photonic Crystal (CirD) Laser” Phys. Status Solidi A, Vol. 218, pp. 2000411-1- 2000411-6, 2021. 2.

・H. Kajii and M. Kondow, "Study on Bulk-Heterojunction Organic Photodetectors Based on Inverted Structure toward Near-Infrared Narrowband-Light Detection Devices," 2021 28th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD), 2021, pp. 158-159, doi: 10.23919/AM-FPD52126.2021.9499149. [Conference paper]

・Yuta Yabuuchi, Yu Minowa, Hirotake Kajii, Shusaku Nagano, Akihiko Fujii, Masanori Ozaki, “Direction-Selectable Ultra-Highly Oriented State of Donor-Acceptor Conjugated Polymer Induced by Slow Bar Coating Process” Advanced Electronic Materials, 2100313, (2021). 2021.6, doi.org/10.1002/aelm.202100313.

・Kyosuke Kuramoto, Takuma Fujita, Takehiro Nishida, Tetsuya Yagi, Akira Takamori, Kazuhisa Yamamoto, and Masahiko Kondow: “Speckle contrast evaluation of multi-emitter broad area 638-nm red laser diodes ” Optical Review Vol. 28 pp.501-507, 2021.8.

2020

・【招待論文】梶井博武、近藤正彦、黄色発光ポリパラフェニレンビニレン系高分子薄膜の加熱処理効果と異種共役高分子によるトップゲート型ヘテロ構造高分子発光トランジスタへの展開, 電子情報通信学会論文誌 C, Vol.J103-C,No.4, APRIL pp.211-218, 2020

・Yifan Xiong, Yoshiki Tani, Xiaolong Cong, Masato Morifuji, Hirotake Kajii, Akihiro Maruta and Masahiko Kondow: “Selective dry etching of GaAs/AlO x for realizing electrical isolation on monolithic integrated photonic crystal laser array” Japanese Journal of Applied Physics Vol. 59, pp. 086505-1- 086505-6, 2020.8.

・T. Okunaga, T. Nozue, Y. Xiong, H. Kajii, M. Morifuji, J. Tatebayashi, Y. Fujiwara, T. Nishihashi, M. Kondow, Evaluations of Selective Dry Etching of GaAs Core Layer Having Embedded InAs Quantum Dots Using Optical Measurements towards Photonic Crystal Laser Fabrication, the 27th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD ’20) , 2020. 10, doi.org/10.23919/am-fpd49417.2020.9224508. [Conference paper]

・【招待論文】Hanqiao Ye, Ryota Saeki, Yifan Xiong , Takashi Kogure, Masato Morifuji, Hirotake Kajii, Akihiro Maruta and Masahiko Kondow: “Oblique Deposition of Ti/Pt/Au Electrode on Photonic Crystal for Vertical Current Injection” Applied Sciences, Vol. 10, pp. 8377-1-8377-10, 2020.11.

・Masayuki Ogawa, Jun Tatebayashi, Natsuki Fujioka, Ryoma Higashi, Shuhei Ichikawa, Masahiko Kondow, Dolf Timmerman, and Yasufumi Fujiwara: “Enhanced Photoluminescence in High-Q Photonic Crystal Nanocavities with Er,O-Codoped GaAs ” Journal of the Society of Materials Science, Japan, Vol. 69, pp. 823-828, 2020.11.

2019

・ Hirotake Kajii, Takayuki Mashimo, Mikio Hara, Yutaka Ohmori, Masahiko Kondow, Top-Gated Polymer Light-Emitting Transistors Based on the Device Fabrication without Intermixing of Poly(methylmethacrylate) Gate Dielectric Formed from Fluorine-Based Orthogonal Solvent, Phys. Status Solidi A, 1900531 (2019). DOI:10.1002/pssa.201900531

・【招待論文】Yifan Xiong, Hanqiao Ye, Takuma Umeda, Shun Mizoguchi, Masato Morifuji, Hirotake Kajii, Akihiro Maruta and Masahiko Kondow: “Photonic Crystal Circular Defect (CirD) Laser” Photonics, Vol. 6, pp. 54-1-54-14, 2019.

2018

・ Fumitaro Ishikawa, Kotaro Higashi, Satoshi Fuyuno, Masato Morifuji, Masahiko Kondow, and Achim Trampert: “Annealing induced atomic rearrangements on (Ga,In) (N,As) probed by hard X-ray photoelectron spectroscopy and X-ray absorption fine structure” Scientific Reports Vol. 8, pp. 5962-1-5962-13, 2018.4.

・ Yifan Xiong, Takuma Umeda, Xiuyu Zhang, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, and Masahiko Kondow: “Photonic Crystal Circular-Defect Microcavity Laser Designed for Wavelength Division Multiplexing” IEEE Journal of Selected Topics in Quantum Electronics, Vol. 24, pp. 4900207-1-4900207-7, 2018.11.

・【招待論文】 Yuji Miyamoto, Yifan Xiong, Tomoyuki Okada, Masato Morifuji, Hirotake Kajii, and Masahiko Kondow: “Optical coupling characteristics between a circular defect resonator and a waveguide in a two-dimensional photonic crystal slab” Photonics and Nanostructures - Fundamentals and Applications, Vol. 31, pp. 168-172, 2018.9

・Hirotake Kajii, Fundamental and future prospects of printed ambipolar fluorene-type polymer light-emitting transistors for improved external quantum efficiency, mobility, and emission pattern, Jpn. J. Appl. Phys. Vol.57, 05GA01 (2018).[Progressive Review]

・Hirotake Kajii*, Yoshinori Mohri, Hiyuto Okui, Masahiko Kondow, Yutaka Ohmori, Improved characteristics of conventional and inverted polymer photodetectors using phosphonic acid-based self-assembled monolayer treatment for interfacial engineering of Ga-doped ZnO electrodes, Jpn. J. Appl. Phys. Vol.57, 03DA03 (2018).

2017

・ Xiuyu Zhang, Kento Takeuchi, Xiaolong Cong, Yifan Xiong, Masato Morifuji, Akihiro Maruta, Hirotake Kajii, and Masahiko Kondow: “Dry etching of deep air holes in GaAs/AlGaAs-based epi-wafer having InAs quantum dots for fabrication of photonic crystal laser” Japanese Journal of Applied Physics Vol. 56, pp. 126501-1-126501-6, 2017.11.

・Xiuyu Zhang, Takafumi Hino, Satoshi Kasamatsu, Shobu Suga, Elbert He, Yifan Xiong, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, and Masahiko Kondow: “1.3μm lasing of circular defect cavity photonic crystal laser with an AlOx cladding layer” IEICE Electronics Express Vol. 14, pp. 1- 8, 2017.8.

・Hirotake Kajii*, Organic light-emitting and photodetector devices for flexible optical link and sensor devices: Fundamentals and future prospects in printed optoelectronic devices for high-speed modulation, IEICE Electronics Express, Vol.14, No.20, 1-16 (2017). (Invited Review)

・Hirotake Kajii, Takahiro Ohtomo, Yutaka Ohmori, Electroluminescence emission patterns of organic light-emitting transistors based on crystallized fluorene-type polymers, Jpn. J. Appl. Phys. Vol.56, No.3S, pp. 03BA01-1-5 (2017).

2016

・Hirotake Kajii, Kazuya Hashimoto, Mikio Hara, Takahiro Ohtomo, Yutaka Ohmori: "Carrier Transport and Improved Emission Properties of Bilayer Polymer Light-Emitting Transistors Based on Crystalized Poly(alkylfluorene) Films", Jpn. J. Appl. Phys. Vol.55, p.02BB03-1-5 (2016).

・Yutaka Ohmori, Takahiro Ohtomo, Kazuya Hashimoto, Hitoshi Tanaka, Koichi Hiraoka, Shiro Iwata, Katsumi Yoshino, Alex Cook, Anver A. Zakhidov and Hirotake Kajii: "Printable Organic Light-Emitting Devices and Application for Optical Signal Transmission, Journal of Nanoscience and Nanotechnology", Vo. 16, p.3228-3234 (2016).

・Taichiro Morimune, Hirotake Kajii, Hiroki Nishimaru, and Shinji Ono, "Organic Position-Sensitive Detectors Based on ZnO:Al and CuPc:C60": J. Nanosci. Nanotechnol. Vol.16, No.4, 3426-3430 (2016).

・Takahiro Ohtomo, Kazuya Hashimoto, Hitoshi Tanaka, Yutaka Ohmori, Masanori Ozaki, and Hirotake Kajii: "Improved carrier balance and polarized in-plane light emission at full-channel area in ambipolar heterostructure polymer light-emitting transistors", Organic Electronics, Vol. 32, p.213-219 (2016).

・Masato Morifuji and Fumitaro Ishikawa:“Perturbation analysis on large band gap bowing of dilute nitride semiconductors” Physica B: Condensed Matter, Vol. 485, pp. 89-93 (2016).

2015

・Xiuyu Zhang, Yuji Togano, Kentaro Hashimura, Masato Morifuji, and Masahiko Kondow: “Dry etching of Al-rich AlGaAs with silicon nitride masks for photonic crystal fabrication” Japanese Journal of Applied Physics Vol. 54, pp. 042003-1- 042003-4, 2015.

2014

・H. Hibi, M. Yamaguchi, N. Yamamoto, and F. Ishikawa: “Selective synthesis of compound semiconductor/oxide composite nanowires” Nano Letters (2014), Vol. 14, p. 7024-7030.

・Norihisa Nishimoto, Masahiko Kondow, and Fumitaro Ishikawa: “Studying the formation of nitrogen -doped layers on GaAs(001) using reflection high-energy electron diffraction” Journal of Vacuum Science & Technology B Vol. 32, pp 02C121-1-02C121-7, 2014.

・Namsoo Ahn, Yoshiaki Araki, Masahiko Kondow, Masahito Yamaguchi, and Fumitaro Ishikawa: “Effects of growth interruption, As and Ga fluxes, and nitrogen plasma irradiation on the molecular beam epitaxial growth of GaAs/GaAsN core-shell nanowires on Si(111)l” Japanese Journal of Applied Physics Vol. 53, pp. 065001-1- 065001-5, 2014.

・Ayano Tanaka, Masahiko Kondow, and Masato Morifuji: “Analysis of Cavity-Waveguide Coupling in Two-Dimensional Photonic Crystals” IEEE Photonics Journal Vol. 6, pp. 4700309-1-4700309-9, 2014.6.

・Takahi Okabe, Masato Morifuji, and Masahiko Kondow: “Role of aluminum oxide cladding layers in heat transfer in a semiconductor slab with photonic crystal” Japanese Journal of Applied Physics Vol. 53, pp. 022701-1-022701-6, 2014.1.

2013

・Yuta Kitabayashi, Masaya Mochizuki, Fumitaro Ishikawa, and Masahiko Kondow: “Over 1.5μm Deep Dry Etching of Al-Rich AlGaAs for Photonic Crystal Fabrication” Japanese Journal of Applied Physics Vol. 52, pp. 04CG07-1-04CG07-3, 2013.3.

・Hiroaki Goto, Fumitaro Ishikawa, Masato Morifuji, and Masahiko Kondow: “Effect of Small Microfabrication Damage on Optical Characteristics of Laser Structure with GaInNAs Quantum Well” Japanese Journal of Applied Physics Vol. 52, pp. 105502-1- 105502-4, 2013.9

・S. Yamauchi, M. Morifuji, and M. Kondow: “Fabrication and analysis of current confinement structure for photonic crystal laser” Physica Status Solidi (c) Vol.10, pp. 1465-1468, 2013.11.

・Shogo Nonoguchi, Shuichi Emura, and Masahiko Kondow: “Role of nitrogen ion on photoluminescence variation observed in III-N-V semiconductors” AIP Conference Proceedings Vol. 1566, pp. 91-92, 2013.12.

・ Kengo Sumiya, Masato Morifuji, Yoshifumi Oshima, Fumitaro Ishikawa “Formation of Minibands on Superlattice Structure with Periodically Arranged delta-Doped Nitrogen into GaAs Applied Physics Express, 6 (2013), pp. 041002-1-4.

・Yoshiaki Araki1, Masahito Yamaguchi2 and Fumitaro Ishikawa “Growth of dilute nitride GaAsN/GaAs heterostructure nanowires on Si substrates” Nanotechnology 24 (2013) 065601-1-7.

・N. Mori, M. Tomita, H. Minari, T. Watanabe, and N. Koshida, "Effects of atomic disorder on impact ionization rate in silicon nanodots," AIP Conference Proceedings, Vol. 1566, pp. 381-382, 2013.

・G. Mil'nikov and N. Mori, "Universal conductance statistics in a backscattering model: Solving the Dorokhov-Mello-Pereyra-Kumar equation with beta = 1, 2, and 4," Physical Review B, Vol. 88, pp. 155406 (1-12), 2013.

・G. Mil'nikov, N. Mori, and Y. Kamakura, "Scattering basis representation in ballistic transport simulations of nanowire transistors," Mathematical and Computer Modelling, Vol. 58, No. 1-2, pp. 312-320, 2013.

・S. Koba, Y. Maegawa, M. Ohmori, H. Tsuchiya, Y. Kamakura, N. Mori, and M. Ogawa, "Increased subthreshold current due to source-drain direct tunneling in ultrashort-channel III-V metal-oxide-semiconductor field-effect transistors," Applied Physics Express, Vol. 6, pp. 064301 (1-4), 2013.

・N. V. Kozlova, G. Pettinari, O. Makarovsky, N. Mori, A. Polimeni, M. Capizzi, Q. D. Zhuang, A. Krier, and A. Patane, "Nonresonant hydrogen dopants in In(AsN): A route to high electron concentrations and mobilities," Physical Review B, Vol. 87, pp. 165207 (1-6), 2013.

・N. Mori, M. Tomita, H. Minari, T. Watanabe, and N. Koshida, "Disorder-induced enhancement of avalanche multiplication in a silicon nanodot array," Japanese Journal of Applied Physics, Vol. 52, No. 4, pp. 04CJ04 (1-4), 2013.

・K. Shimoida, H. Tsuchiya, Y. Kamakura, N. Mori, and M. Ogawa, "Performance comparison of InAs, InSb, and GaSb n-channel nanowire metal-oxide-semiconductor field-effect transistors in the ballistic transport limit," Applied Physics Express, Vol. 6, No. 3, pp. 034301 (1-4), 2013.

・G. Mil'nikov and N. Mori, "Random evolution approach to universal conductance statistics," Physical Review B, Vol. 87, pp. 035434 (1-4), 2013.

・T. Numata, S. Uno, J. Hattori, G. Mil'nikov, Y. Kamakura, N. Mori, and K. Nakazato, "A self-consistent compact model of ballistic nanowire MOSFET with rectangular cross section," IEEE Transactions on Electron Devices, Vol. 60, No. 2, pp. 856-862, 2013.

2012

・Ryo Nakao and Masato Morifuji, "Effects of Carriers on Characteristics of Current-Driven Photonic Crystal Laser Diode" Japanese Journal of Applied Physics Vol. 52, 120002-1 -- 12002-6 (2013).

・H. Nagatomo, K. Kukita, H. Goto, R. Nakao, K. Nakano, F. Ishikawa, M. Morifuji, and M. Kondow: “Application of GaInNAs for the gain medium of a photonic crystal microcavity” Journal of Vacuum Science & Technology B Vol. 30, pp. 02B127-1 02B127-4, 2012.3.

・Yuichiro Hirai, Takahiro Yamada, Masahiko Kondow, and Fumitaro Ishikawa: “Characterization of the Oxide Film Obtained by Wet Oxidation of Al-Rich AlGaAs” Japanese Journal of Applied Physics Vol. 51, pp. 02BG10-1-02BG10-4, 2012.2.

・Akio Watanabe, Fumitaro Ishikawa, and Masahiko Kondow: “Effects of Plasma Processes on the Characteristics of Optical Device Structures Based on GaAs” Japanese Journal of Applied Physics Vol. 51, pp. 056501-1-056501-5, 2012.4.

・Masahiko Kondow and Fumitaro Ishikawa: “High-Quality Growth of GaInNAs for Application to Near-Infrared Laser Diodes” Advances in Optical Technologies Vol. 2012, pp. 754546-1-754546-11, 2012.11.

2011

・Masaya Mochizuki, Yuta Kitabayashi,Tomoya Nakajima, Daiki Satoi, Fumitaro Ishikawa, Masahiko Kondow,Makoto Hara, Chiharu Kimura, Hidemitsu Aoki, and Takashi Sugino: "Dry Etching of Al-rich AlGaAs for Photonic Crystal Fabrication", Japanese Journal of Applied Physics Vol.50, 04DG15 (2011)

・Ken'ichi Nagaharaa, Masato Morifuji , Masahiko Kondow
"Optical coupling between a cavity mode and a waveguide in a two-dimensional photonic crystal"
Photonics and Nanostructures - Fundamentals and Applications Volume 9, Issue 3, July 2011, Pages 261-268

・Masato Morifuji and Yusuke Maeda
"Enhancement of conductivity due to local disorder in a one-dimensional conductor"
J. Phys.: Condens. Matter 23 435301,2011

・Kentaro Kukita, Hiroshi Nagatomo, Hiroaki Goto, Ryo Nakao, Katsunari Nakano, Masaya Mochizuki, Masahiko Kondow, Masato Morifuji, and Fumitaro Ishikawa
"Introduction of GaInNAs Gain Medium into Circularly Arranged Photonic Crystal Cavity"
Japanese Journal of Applied Physics, 50 (2011), pp. 102202-1-4.

・Fumitaro Ishikawa, Masato Morifuji, Kenichi Nagahara, Masayuki Uchiyama, Kotaro Higashi and Masahiko Kondow
"Band gap engineering with sub-monolayer nitrogen insertion into InGaAs/GaAs quantum well"
Journal of Crystal Growth, 323, (2011), pp. 30-34.

・Hiroki Nakamoto, Fumitaro Ishikawa, Masahiko Kondow, Yushi Ohshima, Atsushi Yabuuchi, Masataka Mizuno, Hideki Araki, and Yasuharu Shirai
"Reduction of S-parameter by the Introduction of Nitrogen in GaNAs: Positron Annihilation and Photoluminescence Spectroscopy Study"
Japanese Journal of Applied Physics, 50 (2011), pp. 04DH09-1-5.

・F. Ishikawa, S. Fuyuno, K. Higashi, M. Kondow, M. Machida, H. Oji, J.-Y. Son, A. Trampert, K. Umeno, Y. Furukawa, and A. Wakahara
"Direct observation of N-(group V) bonding defects in dilute nitride semiconductors using hard x-ray photoelectron spectroscopy"
Applied Physics Letters, 98 (2011), pp. 121915-1-3.

・Koshiro Kashima, Atsuhiko Fukuyama, Kentaro Sakai, Hirosumi Yokoyama, Masahiko Kondow, and Tetsuo Ikari
"Determination of Exciton Binding Energy of GaInNAs Quantum Well Structures by Piezoelectric Photothermal Spectroscopy Compared with Photoreflectance Measurements"
Japanese Journal of Applied Physics Vol. 50, pp. 06GH09-1-06GH09-4, 2011.6

・北林佑太, 望月雅矢, 石川史太郎, 近藤正彦
"フォトニック結晶構造作製を目的とした高Al 組成AlGaAs 誘導結合型プラズマエッチング"
信学技報 ED2011-44 (2011), pp. 35-39.

2010

・K. Umeno, Y. Furukawa, N. Urakami, S. Mitsuyoshi, H. Yonezu, A. Wakahara, F. Ishikawa, and M. Kondow: "Growth and luminescence characterization of dilute InPN alloys grown by molecular beam epitaxy" Journal of Vacuum Science & Technology B Vol.28, pp. C3B22-C3B26 2010.5

・Kotaro Higashi, Fumitaro Ishikawa, Katsumi Handa, Shuichi Emura, and Masahiko Kondow: "Epitaxial Lift-off for Sample Preparation of X-ray Absorption Fine Structure"","Review of Scientific Instruments" Vol.81, pp. 043903-1-043903-4 2010.4

・Masahiko Kondow, Fumitaro Ishikawa, Kazuyuki Umeno, Yuzo Furukawa, and Akihiro Wakahara: "Infrared Absorption Spectrum of InNP" Applied Physics Express Vol. 3, pp. 011001-1- 011001-3 2010.1

・Shudong Wu, Yongge Cao, Stanko Tomic, and Fumitaro Ishikawa
"The optical gain and radiative current density of GaInNAs/GaAs/AlGaAs separate confinement heterostructure quantum well lasers"
Journal of Applied Physics, 107 (2010), pp. 013107-1-6.

2009

・M. Kondow, T. Kawano, and H. Momose: “Selective Oxidation of AlGaAs for Photonic Crystal Laser”Japanese Journal of Applied Physics Vol.48, pp. 050202-1 - 050202-2, 2009.

・F. Ishikawa, S. D. Wu, M. Kato, M. Uchiyama, K. Higashi, and M. Kondow: “Unintentional Aluminum incorporation related to the introduction of Nitrogen gas during the plasma-assisted molecular beam epitaxy”Journal of Crystal Growth Vol. 311, pp.1646-1649, 2009.

・M. Morifuji, Y. Nakaya, T. Mitamura, and M. Kondow: “Novel Design of Current Driven Photonic Crystal Laser Diode” IEEE Photonics Technology Letters Vol. 21, pp. 513-515, 2009.

・M. Kondow, M. Uchiyama, M. Morifuji, S. D. Wu, H, Momose, S. Fukushima, A. Fukuyama, and T. Ikari: “Reduced Static Dielectric Constant Estimated from Exciton Binding Energy in Dilute Nitride Semiconductors” Applied Physics Express Vol. 2, pp. 041003-1 - 041003-3, 2009.

・Masato Morifuji and Yousuke Nakaya
"Numerical Design of Photonic Crystal Cavity Structure with AlAs/AlOx Cladding Layers for Current-Driven Laser Diodes"
Jpn. J. Appl. Phys. 48 (2009) 112001

・Fumitaro Ishikawa, Shudong Wu, Masakazu Kato, Masayuki Uchiyama, Kotaro Higashi, and Masahiko Kondow
"Unintentional Source Incorporation in Plasma-Assisted Molecular Beam Epitaxy"
Japanese Journal of Applied Physics, 48 (2009), pp. 125501-1-5.

・Masayuki Uchiyama, Fumitaro Ishikawa, and Masahiko Kondow,
Effect of Plasma Conditions on the Growth of GaNAs by Plasma-Assisted Molecular-Beam Epitaxy"
Japanese Journal of Applied Physics, 48 (2009), pp. 081102-1-4.

・R. Kudrawiec, P. Poloczek, J. Misiewicz, F. Ishikawa, A. Trampert, and K. H. Ploog
"Temperature dependence of the optical transitions in Ga0.64In0.36N0.046As0.954 multiquantum wells of various widths studied by photoreflectance"
Journal of Applied Physics, 106 (2009), pp. 033507-1-5.

・E. Luna, F. Ishikawa, B. Satpati, J.B. Rodriguez, E. Tournie, and A. Trampert
"Interface properties of (Ga,In)(N,As) and (Ga,In)(As,Sb) materials systems grown by molecular beam epitaxy"
Journal of Crystal Growth, 311 (2009), pp. 1739-1744.

・A. Guzman, E. Luna, F. Ishikawa, and A. Trampert
"The role of Sb and N ions on the morphology and localization of (Ga,In) (N,As) quantum wells"
Journal of Crystal Growth, 311 (2009), pp. 1728-1732.

・Robert Kudrawiec, Grzegorz Sek, Jan Misiewicz, Fumitaro Ishikawa, Achim Trampert, and Klaus H. Ploog
"Localized and delocalized states in GaNAs studied by microphotoluminescence and photoreflectance"
Applied Physics Letters, 94, (2009), 011907-1-3.

2008

・S. Fukushima, K. Sakai, H. Yokoyama, A. Fukuyama,M. Ozeki, M. Kondow, and T. Ikari: “Detection of Photogenerated Carrier Leakage from GaInNAs/GaAs Single Quantum Well by Piezoelectric Photothermal Spectroscopy”, Japanese Journal of Applied Physics Vol.4, pp. 7060-7064, 2008.

・S. D. Wu, M. Kato, M. Uchiyama, K. Higashi, F. Ishikawa, and M. Kondow: “Effect of the unintentional incorporation of Al during the molecular beam epitaxial growth of GaInNAs quantum well” Physica Status Solidi (c) Vol.5, pp. 2736-2739, 2008.

・T. Ikari, S. Fukushima, and Y. Ohta, A. Fukuyama, S. D. Wu, F. Ishikawa and M. Kondow: “Experimental study on hydrostatic and shear deformation potential in GaInNAs alloys using piezoelectric photothermal spectroscopy” Physical Review B Vol. 77, pp. 125311-1 - 125311-7, 2008.

・S. D. Wu, M. Kato, M. Uchiyama, K. Higashi, F. Ishikawa, and M. Kondow: “Nitrogen Gas Flow Driven Unintentional Incorporation of Al during the Growth of Dilute Nitride Semiconductor by Plasma-Assisted Molecular Beam Epitaxy” Applied Physics Express Vol. 1, pp. 035004-1 - 035004-3, 2008.

・H. Furuse, N. Mori, H. Kubo, H. Momose, and M. Kondow: “Phonon scattering of hot electrons in intense mid-infrared laser fields” Physica Status Solidi (c) Vol.5, pp. 286-289, 2008.

・Fumitaro Ishikawa, Alvaro Guzman, Oliver Brandt, Achim Trampert, and Klaus H. Ploog
"Impact of carrier localization on the photoluminescence characteristics of (Ga,In)(N,As) and (Ga,In)(N,As,Sb) quantum wells"
Journal of Applied Physics, 104 (2008), pp.113502-1-5.

・E. Luna, F. Ishikawa, P. D. Batista, and A. Trampert,
"Indium distribution at the interfaces of (Ga,In)(N,As)/GaAs quantum wells"
Applied Physics Letters, 92 (2008) pp. 141913-1-3.

2007

・H. Furuse, N. Mori, H. Kubo, H. Momose, and M. Kondow: “Transmission study of germanium using free-electron laser” Journal of Materials: Science-Materials in Electronics Vol.18, pp. S81-S85, 2007.

・H. Furuse, N. Mori, H. Kubo, H. Momose, and M. Kondow: “Measurement of the temperature dependence of midinfrared optical absorption spectra of germanium in intense laser fields” Physical Review B Vol.75, pp. 205101-1 - 205101-5, 2007.

2006

・T. Suzuki, H. Momose, M. Morifuji, N. Mori, and M. Kondow: “Periodic magnetoresistance oscillations in side-gated quantum dots” Journal of Physics: Conference Series Vol. 38, pp.116-119, 2006.

・K. Adachi, K. Nakahara, J. Kasai, T. Kitatani, T. Tsuchiya, M. Aoki, and M. Kondow: “Low-threshold GaInNAs single-quantum-well lasers with emission wavelength over 1.3 μm”, Electronics Letters Vol. 42, pp. 1354-1355, 2006.

・H. Furuse, N. Mori, H. Kubo, H. Momose, and M. Kondow: “Midinfrared optical absorption in germanium measured with a free-electron laser at room temperature” Physical Review B Vol.74, pp.205206-1 - 205206-6, 2006.

・K. Ikegami, M. Morifuji, H. Momose, and M. Kondow: “Numerical study on formation of electronic quantum states due to self-coherency in a non-periodic system”, Physica E Vol.33, pp. 381-387, 2006.

・S. Shirakata, M. Kondow, and T. Kitatani: “Studies of quantum levels in GaInNAs single quantum wells”, Physica Status Solidi (a) Vol.203, pp. 2680-2685, 2006.

2005

・S. Shirakata, M. Kondow, and T. Kitatani: “Polarized Raman spectra and N-related local vibration mode in GaNAs and GaInNAs epitaxial layers grown on GaAs”, Japanese Journal of Applied Physics Vol.44, pp. 4019-4021, 2005.

・S. Shirakata, M. Kondow, and T. Kitatani: “Raman studies of lattice and local vibration modes of GaInNAs prepared by molecular beam epitaxy”, Journal of Physics and Chemistry of Solids Vol.66, pp.2119-2122, 2005.

[Academic Journal | International Conference]

International Conference

2023

・Y. Adachi, H. Muto, I. Sada, K. Kaichi, M. Morifuji , H. Kajii, A. Maruta, and M. Kondow, "Improvement of Output Extraction Efficiency by Optimizing the Edge Structure of Circular Defect in Photonic Crystal Laser", Compound Semiconductor Week 2023 (CSW-2023), P1-44, 2023/5/31.

・Rubing Zuo, Hanqiao Ye, Ryosei Kinoshita, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, and Masahiko Kondow, "Investigation on AlGaOx Cladding Layers Oxidation Width of Circular Defect in Two-dimensional Photonic Crystal (CirD) Laser", Compound Semiconductor Week 2023 (CSW-2023), P1-70, 2023/5/31.

・Ryosei Kinoshita, Rubing Zuo, Hanqiao Ye, Hirotake Kajii, Akihiro Maruta, and Masahiko Kondow, "Room Temperature Continuous Wave Lasing of Circular Defect in Two-dimensional Photonic Crystal (CirD) Laser with an Upper AlOx Cladding Layer and a GaAs Contact Layer Fabricated by One-step Dry Etching", Compound Semiconductor Week 2023 (CSW-2023), P1-82, 2023/5/31.

・Masahiko Kondow, Rubing Zuo, Hanqiao Ye, Masato Morifuji, Hirotake Kajii, Akihiro Maruta and Tetsuya Yagi, "Optical intra-chip interconnects using 2 dimensional photonic crystal", The 5th Euro-Mediterranean Conference for Environmental Integration (EMCEI-2023), T1-OS5-4, 2023/10/3.

・Shinsei Yamada; Hirotake Kajii; Maowei Huang; Akihito Okamoto; Haruki Bai; Shintaro Toda; Masahiko Kondow, "Improved NiOx surface using phosphonic acid-based self-assembled monolayer treatment toward printed light-emitting diodes", 2023 30th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD’23), P-25, July 6, 2023, Kyoto.

・Hirotake Kajii, Maowei Huang, Shinsei Yamada, Akihito Okamoto, Yugo Ashida, Shintaro Toda, Mizuki Kuniyoshi, Masahiko Kondow, "Interfacial engineering toward improved characteristics of printed light-emitting diodes based on green emissive InP/ZnSe/ZnS quantum dots", IDW’23, OLED6/PH4-1, Dec. 8, 2023, Toki Messe（Niigata）.(Invited oral)

2022

2021

2020

2019

2018

・Hirotake Kajii, Improved characteristics of heterostructure organic light-emitting transistors using poly(fluorene) and poly(p-phenylenevinylene) derivatives, India-Japan Workshop on Biomolecular Electronics and Organic Nanotechnology for Environment Preservation (IJWBME2018), December 6-9, 2018, National Physical Laboratory, New Delhi, India (invited oral).

・[invited] Masahiko Kondow, Yifan Xiong, Li Zeng, Masato Morifuji, Hirotake. Kajii, and Akihiro Maruta: “Photonic Crystal Circular Defect (CirD) Laser” the 26th International Conference on Advanced Nanotechnology, Fri-Keynote-3, Moscow, Russia, Oct. 5, 2018.

・ Kento Takeuchi, Xiuyu Zhang, Shun Mizoguchi ,Hirotake Kajii, Morifuji Masato , Maruta Akihiro ,and Masahiko Kondow: “Dry etching for fabricating air holes with depth of 1.5 μm in photonic crystal structure on epiwafer grown by MBE” 20th International Conference on Molecular Beam Epitaxy (ICMBE2018), Tu-P-37, Shanghai, China, Spt. 4, 2018.

・ Takuma Umeda,Yifan Xiong, Masato Morifuji, Hirotake Kajii, Akihiro Maruta,and Masahiko Kondow: “1.3 ?m range single mode operation of photonic crystal circular-defect microcavity laser with InAs quantum dots” 20th International Conference on Molecular Beam Epitaxy (ICMBE2018), Mo-P-31, Shanghai, China, Spt. 3, 2018.

・Hirotake Kajii, Mahiro Kawata, Hiyuto Okui, Masato Morifuji and Masahiko Kondow, Fabrication of inorganic/organic hybrid distributed Bragg reflectors based on inorganic CuSCN for all-solution-processed polymer light-emitting diodes, Twenty-fifth International Workshop on Active-Matrix Flatpanel Displays and Devices -TFT Technologies and FPD Materials- (AM-FPD2018), July 3-6, 2018, P-33, Ryukoku University Avanti Kyoto Hall, Kyoto, Japan.

・[invited] Y. Xiong, Y. Tani, X. Cong, M. Morifuji, H. Kajii, A. Maruta and M. Kondow: “Electrical Isolation for Monolithic Photonic Crystal Laser Array Realized by Selective Dry Etching of GaAs/AlOx Films” Collaborative Conference on Materials Research (CCMR) 2018, Wed-111-9, Seoul, South Korea, Jun. 27, 2018.

・[invited] Masahiko Kondow, Yifan Xiong, Xiuyu Zhang, Masato Morifuji, Hirotake Kajii, and Akihiro Maruta: “Suitable quality (Q) factor for photonic crystal laser grown by MBE” Energy Materials Nanotechnology (EMN) Europe Meetings on Epitaxy, MBE-II-1, Vienna, Austria, June 20, 2018.

・Hirotake Kajii, Takayuki Mashimo, Masahiko Kondow, Improved characteristics of top-gate-type organic light-emitting transistors based on Super Yellow emissive layers with various annealing temperatures, 10th International Symposium on Organic Molecular Electronics (ISOME2018)、O4-3、May 31-June 2, 2018、Sunmesse Tosu、Saga、Japan.

・ Natsuki Fujioka, Masayuki Ogawa, Taiki Kishina, Ryoma Higashi, Masahiko Kondow, Jun Tatebayashi, and Yasufumi Fujiwara: “Observation of Anomalous Er Emission in a Er,O-codoped GaAs-based Two Dimensional Photonic Crystal Nanocavity” International Conference on Nanophotonics and Nano-optoelectronics 2018, ICNN4-3, Yokohama, Japan, April 26, 2018.

2017

・[invited] Masahiko Kondow, Xiuyu Zhang, Yifan Xiong, Masato Morifuji, Hirotake Kajii, and Akihiro Maruta: “Photonic crystal laser with quantum dots as active material grown by MBE” Energy Materials Nanotechnology (EMN) Europe Meetings on Epitaxy,MBE-1-1 Barcelona, Spain, Sept. 12, 2017.

・[invited oral] Hirotake Kajii: "Polymer Light-Emitting Transistors for Flexible Printed Micro-Light Sources" 8th International Conference on Flexible and PrintedElectronics (ICFPE2017), Session S03-I01, The Shilla Hotel, Jeju Island, Korea, Sep. 4-7, 2017.

・Hirotake Kajii, Yoshinori Mohri, Hiyuto Okui, Masahiko Kondow and Yutaka Ohmori: "Improved Characteristics of Polymer Photodetectors Using Phosphonic Acid-Based Self-Assembled Monolayer Treatment for Interfacial-Engineering of Ga-doped ZnO Electrodes" Proceedings of the 24th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2017, 7-1,July 4-7, Ryukoku University Avanti Kyoto Hall, Kyoto, Japan.

・[invited] Masahiko Kondow, Xiuyu Zhang, Yifan Xiong, Masato Morifuji, Hirotake. Kajii, and Akihiro Maruta: “Single mode lasing operation of Photonic Crystal Circular Defect (CirD) Laser” Collaborative Conference on Materials Research (CCMR) 2017, Thurs-303A-4, Jeju, South Korea, Jun. 29, 2017.

・Hirotake Kajii, Kyosuke Mizuno, Atsushi Marutani, Yutaka Ohmori, Masanori Ozaki, Masahiko Kondow: "Characteristics of fluorene-type polymer light-emitting diodes by incorporating the active layer fabricated by contact printing and the copper thiocyanate hole transporting layer" 9th International Conference on Molecular Electronics and Bioelectronics (M&BE9), P-B-026, Ishikawa Ongakudo and ANA Crowne Plaza Kanazawa, Kanazawa, Japan, Jun. 26-28, 2017.

・M. Kondow, T. Hino, S. Kasamatsu, S. Suga, X. Zhang, Y. Xiong, H. Kajii, A. Maruta, and M. Morifuji: “Photonic Crystal Circular Defect Laser for Intra-chip Optical Interconnections” Compound Semiconductor Week (CSW) 2017, P1.23, Berlin, Germany, May 15, 2017.

2016

・[invited] Masahiko Kondow, Xiuyu Zhang, Yifan Xiong, and Masato Morifuji: “Stimulated emission from photonic crystal cavity with AlOx cladding layer” 2016 Collaborative Conference on 3D & Materials Research, Mo-111-9, Seoul, Korea, Jun. 20, 2016.

・Yifan Xiong, Tomoyuki Okada, Xiuyu Zhang, Masato Morifuji, and Masahiko Kondow: “Numerical Demonstration of the Feasibility of the Current Driven Photonic Crystal Laser Diode Used for Wavelength Division Multiplexing” the 43rd International Symposium on Compound Semiconductors, MoP-ISCS-030, Toyama, Japan, Jun. 27, 2016.

・Xiuyu Zhang, Kentaro Hashimura, Yuta Imada, Takahumi Hino, Tomoyuki Okada, Masato Morifuji, and Masahiko Kondow: “GaAs-based 2-dimensional photonic crystal slab with large r/a used for wavelength-division multiplexing” the 43rd International Symposium on Compound Semiconductors, MoP-ISCS-031, Toyama, Japan, Jun. 27, 2016.

・Yifan Xiong, Xiuyu Zhang, Elbert He, Ryo Tezuka, Takafumi Hino, Satoshi Kasamatsu, Masato Morifuji, Hirotake Kajii, and Masahiko Kondow: “Photonic Crystal Laser with Low-Quality Factor” the 25th International Semiconductor Laser Conference, WE50, Kobe, Japan, Sept. 14, 2016.

・Hirotake Kajii, Yutaka Ohmori, Yifan Xiong Masato Morifuji, and Masahiko Kondow: “Light-emitting devices for nanophotonics and optical signal transmission” Global Nanophotonics 2016, P-49, Osaka, Japan, Nov. 30, 2016.

・Yifan Xiong, Xiuyu Zhang, Elbert He, Ryo Tezuka, Takafumi Hino, Satoshi Kasamatsu, Masato Morifuji, Hirotake Kajii, Akihiro Maruta and Masahiko Kondow: “Photonic Crystal Laser with Air/AlOx cladding layers” The 4th KANSAI Nanoscience and Nanotechnology International Symposium, P1-23, Osaka, Japan, Dec. 13, 2016.

2015

・[invited] Masahiko Kondow, Xiuyu Zhang, and Masato Morifuji: “Proposal of high-density light source with 10 Pbps/cm2 for intra-chip optical-interconnections” 2015 Collaborative Conference on 3D & Materials Research, Tu-212-1, Busan, Korea, Jun. 16, 2015.

・Xiuyu Zhang, Masato Morifuji, and Masahiko Kondow: “Research of the multi-wavelength light source without multiplexer” International Symposium of Institute for Academic Initiatives, Osaka University “Opto Osaka 2015”, P-78, Osaka, Jan. 14, 2015.

・Xiuyu Zhang, Kentaro Hashimura, Yuta Imada, Takahumi Hino, Tomoyuki Okada, Masato Morifuji, and Masahiko Kondow: “Optimized parameters of GaAs based 2-dimensional photonic crystal slab having air hole arrays with a large radius” The 3rd KANSAI Nanoscience and Nanotechnology International Symposium, PS-72, Osaka, Japan, Dec. 8, 2015.

・ Xiong, T. Okada, M. Morifuji, and M. Kondow: “Novel design for whispering gallery mode of two-dimensional circle-defect photonic crystal microcavity” The 3rd KANSAI Nanoscience and Nanotechnology International Symposium, PS-73, Osaka, Japan, Dec. 8, 2015.

2014

・[invited]Masahiko Kondow: “Development for photonic crystal laser with circular cavity” 2014 Collaborative Conference on 3D & Materials Research, Mo-111-3, Seoul, Korea, Jun., 2014.

2013

・Shota Yamauchi, Akio Watanabe, Masato Morifuji, Fumitaro Ishikawa, andMasahiko Kondow: “Fabrication and analysis of a current confinementstructure for photonic crystal laser” The 40th International Symposium on Compound Semiconductors, MoPC-03-07, Kobe, Japan, May 20, 2013.

・Hideaki Hibi, Namsoo Ahn, Yoshiaki Araki, Masahiko Kondow, Masahito Yamaguchi, and Fumitaro Ishikawa: “Wet oxidation of GaAs/AlGaAscore-shell nanowire for the fabrication of oxide heterostructure nanowires” The 40th International Symposium on Compound Semiconductors, WeB2-4, Kobe, Japan, May 22, 2013.

・A. Tanaka, M. Morifuji, and M. Kondow: “Optical Coupling betweenWhispering-Gallery Mode and Waveguide Mode in Photonic Crystal” 16thInternational Workshop on Computational Electronics, P-32, Nara, Japan,Jun. 5, 2013.

・Takashi Okabe, Masato Morifuji, and Masahiko Kondow: “Role of Aluminumoxide cladding layers in heat conduction of a semiconductor slab withphotonic crystal” The 2013 International Meeting for Future of Electron Devices, Kansai,PB-11, Osaka, Japan, Jun. 5, 2013.

・[invited]Masahiko Kondow: “Development for photonic crystal laser with AlOxcladding layer” 2013 Collaborative Conference on 3D & MaterialsResearch, Ora-24-8, Jeju, Korea, Jun. 24, 2013.

・N. Nishimoto, M. Kondow, and F. Ishikawa: “Reflection High EnergyElectron Diffraction Study for the Development of Nitrogen Delta-dopedLayer on GaAs(001) Surface” The 30th North American Conference on Molecular Beam Epitaxy, P3, Banff,Canada, Oct. 7, 2013.

・N. Ahn, Y. Araki, H. Hibi, M. Kondow, M. Yamaguchi, and F. Ishikawa: “Investigations on the Growth Mechanism of GaAs Nanowires on Si(111):Impact of Growth Interruption, As and Ga Flux, and Nitrogen Plasma Irradiation” The 30th North American Conference on Molecular Beam Epitaxy, P17,Banff, Canada, Oct. 8, 2013.

・Hideaki Hibi, Namsoo Ahn, Masahiko Kondow, Masahito Yamaguchi, and Fumitaro Ishikawa: “Formation of III-V semiconductor/oxideheterostructure nanowires on Si and their extention to buried entire structure” 2013 Material Research Society fall meeting, SS10.04, Boston, USA, Dec. 4 2013.

・Y．Hanashiro，M．Morifuji "Effect of malconnection to reservoirs in atomic scale conductors" The 16th International Workshop on Computational Electronics, Nara, Japan, June, 2013.

・Kohei Shobudani, Masato Morifuji "Enhancement of photoluminescence due to one-dimentional photonic crystal" 2013 International Meeting for Future of Electron Devices, Kansai (IMFEDK 2013)

・Fumitrao Ishikawa "Low-dimensional dilute nitride semiconductor heterostructures withdelta-doping and nanowires" Collaborative Conference on Materials Research 2013, Jeju, June 2013

・F. Ishikawa, H. Hibi, N. Ahn, Y. Araki, and M. Yamaguchi "GaAs-Related Heterostructure Nanowires with Nitrogen and Oxygen Formedon Si(111)" 4th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano 2013), Lake Arrowhead, USA, September 2013.

・Fumitaro Ishikawa, Hiroaki Goto and Masato Morifuji "Introduction of Tensile-Strained Dilute Nitride Quantum Wells For ItsApplication to Dielectric-Rod Type Photonic Crystals" 2013 International Conference on Solid State Devices and Materials, Fukuoka, Japan, September 2013.

・K. Nakamura and N. Mori, "Impact of surface band bending on terahertz radiation in GaSb/InAs heterostructures: Monte Carlo study," International Symposium on Advanced Nanodevices and Nanotechnology, Hawaii, USA, December 8-13th, 2013.

・[invited] N. Mori, G. Mil'nikov, H. Minari, Y. Kamakura, T. Zushi, T. Watanabe, M. Uematsu, K. M. Itoh, S. Uno, and H. Tsuchiya, "Nano-device simulation from an atomistic view", 2013 IEEE International Electron Devices Meeting, Washington, USA, December 9-11, 2013.

・S. Koba, R. Ishida, Y. Kubota, H. Tsuchiya, Y. Kamakura, N. Mori, and M. Ogawa, "The impact of increased deformation potential at MOS interface on quasi-ballistic transport in ultra-small channel MOSFETs scaled down to sub-10 nm channel length," 2013 IEEE International Electron Devices Meeting, Washington, USA, December 9-11, 2013.

・N. Mori, T. Edagawa, Y. Kamakura, and L. Eaves, "Nonequilibrium Green function simulations of graphene-nanoribbon resonant-tunneling transistors," 2013 International Conference on Solid State Devices and Materials, Fukuoka, Japan, September 25-27, 2013.

・S. Koba, M. Ohmori, Y. Maegawa, H. Tsuchiya, Y. Kamakura, N. Mori, and M. Ogawa, "Channel length scaling limits of III-V channel MOSFETs governed by source-drain direct tunneling," 2013 International Conference on Solid State Devices and Materials, Fukuoka, Japan, September 25-27, 2013.

・N. Hasegawa, K. Shimoda, H. Tsuchiya, Y. Kamakura, N. Mori, and M. Ogawa, "Performance comparison of graphene nanoribbon, Si nanowire and InAs nanowire FETs in the ballistic transport limit," 2013 International Conference on Solid State Devices and Materials, Fukuoka, Japan, September 25-27, 2013.

・K. Shimoda, H. Tsuchiya, Y. kamakura, N. Mori, and M. Ogawa, "Performance projections of III-V channel nanowire nMOSFETs in the ballistic transport limit," 2013 International Conference on Solid State Devices and Materials, Fukuoka, Japan, September 25-27, 2013.

・R. Suda, M. Ito, M. Yagi, A. Kojima, R. Mentek, N. Mori, J. Shirakashi, and N. Koshida, "Ballistic electro-deposion of thin Si, Ge, and SiGe films," 2013 International Conference on Solid State Devices and Materials, Fukuoka, Japan, September 25-27, 2013.

・N. Mori, M. Uematsu, G. Mil'nikov, H. Minari, and K. M. Itoh, "Effects of phonon scattering on discrete-impurity-induced current fluctuation in silicon nanowire transistors," 18th International Conference on Simulation of Semiconductor Processes and Devices, Glasgow, UK, September 3-5, 2013.

・R. Suda, M. Ito, M. Yagi, A. Kojima, R. Mentek, N. Mori, J. Shirakashi, and N. Koshida, "Ballistic electro-deposion of thin Si, Ge, and SiGe films," 13th International Conference on Atomic Layer Deposition, San Diego, USA, July 28-31, 2013.

・N. Mori, T. Edagawa, Y. Kamakura, and L. Eaves, "Effect of acoustic-phonon scattering on current-voltage characteristics in graphene-nanoribbon resonant-tunneling transistors," 18th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures, Matsue, Japan, 22-26 July, 2013.

・K. Nakamura and N. Mori, "Monte Carlo simulation of photoexcited-carrier dynamics in GaSb/InAs heterostructures," 18th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures, Matsue, Japan, 22-26 July, 2013.

・A. Patane, N. Mori, O. Makarovsky, N.V. Kozlova, G. Pettinari, L. Eaves, Q. D. Zhuang, A. Krier, A. Polimeni, M. Capizzi, "Multiple-electron scattering by low-mobility islands and linear magnetoresistance," 18th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures, Matsue, Japan, 22-26 July, 2013.

・[invited] A. Patane, N. Mori, O. Makarovsky, N.V. Kozlova, G. Pettinari, L. Eaves, Q. D. Zhuang, A. Krier, A. Polimeni, M. Capizzi, "Multiple-electron scattering by low-mobility islands and linear magnetoresistance," UK Semiconductors Conference 2013, Sheffield, UK, July 3-4, 2013.

・G. Mil'nikov, T. Zushi, M. Tomita, T. Watanabe, Y. Kamakura, and and N. Mori, "Surface roughness and electron transport statistics in Si nanowires," 16th International Workshop on Computational Electronics, Nara, Japan, June 4-7, 2013.

・M. Uematsu, K. M. Itoh, G. Mil'nikov, H. Minari, and N. Mori, "Width dependence of RDD-induced current fluctuation in silicon nanowire transistors," 16th International Workshop on Computational Electronics, Nara, Japan, June 4-7, 2013.

・[invited] N. Mori, M. Uematsu, G. Mil'nikov, H. Minari, and K. M. Itoh, "Non-equilibrium Green's function simulation on effects of atomic disorder and random discrete dopant in Si nanowire transistors," 2013 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices, Seoul, Korea, June 26-28, 2013.

・[invited] N. Koshida, N. Ikegami, A. Kojima, R. Mentek, B. Gelloz, and N. Mori, "Ballistic electron emission from nanostructured Si diode and its applications," 8th International Conference on Silicon Epitaxy and Heterostructures, Fukuoka, Japan on June 2-7, 2013.

・K. Nakamura and N. Mori, "Monte Carlo simulation of photoexcited carriers in semiconductor heterostructures," International Workshop on Optical Terahertz Science and Technology, Kyoto, Japan, April 1-5, 2013.

2012

・K. Sumiya, Y. Oshima, F. Ishikawa "Fabrication and Characterization of δ-doped Nitrogen / GaAs Superlattice Structure" The 17th International Conference on Molecular Beam Epitaxy, Nara, Japan, September 2012.

・Yoshiaki Araki, Masahito Yamaguchi, Fumitaro Ishikawa "Molecular Beam Epitaxial Growth of GaAsN Nanowire on Si(111) Substrate" 39th International Symposium on Compound Semiconductors (ISCS2012),Santa Barbara, U.S., August 2012

・H. Goto, F. Ishikawa, M. Morifuji, M. Kondow "Potential of GaInNAs for Its Application to Micro-fabrication Optical Devices" 39th International Symposium on Compound Semiconductors, Santa Barbara, U.S., August 2012.

・Shogo Nonoguchi, Shuichi Emura, Fumitaro Ishikawa, Masato Morifuji, and Masahiko Kondow: “Nitrogen Ion Role on Photoluminescence Variation Observed in III-N-V Semiconductors” The 31st International Conference on the Physics of Semiconductors, 30.9, Zurich, Swiss, July 31, 2012.

・Y. Kitabayashi, M. Mochizuki, F. Ishikawa, M. Kondow “Over 1.5 μm deep dry etching of Al-rich AlGaAs for Photonic Crystal Fabrication” 2012 International Conference on Solid State Devices and Materials, Kyoto, Japan, September 2012.

・S. Fuyuno, F. Ishikawa, K. Higashi, A. Kinoshita, M. Morifuji, M. Kondow, H. Oji, J.-Y.Son, T. Honma, T. Uruga, and A. Trampert: “ Annealing effect on (Ga,In)(N,As) investigated by hard X-ray photoelectron spectroscopy and X-ray absorption fine structure” The 17th International Conference on Molecular Beam Epitaxy, ThP-18, Nara, Japan, Sept. 27, 2012.

2011

・S. Furuse, K. Sumiya, M. Morifuji, F. Ishikawa
"Characteristics of Nitrogen δ-doped AlGaAs/GaAs Quantum Wells Grown by Molecular Beam Epitaxy"
2011 International Conference on Solid State Devices and Materials, Nagoya, Japan, September 2011.

・Y. Hirai,T. Yamada, M. Kondow, F. Ishikawa
"Characterization of the Oxide Film Obtained by Wet Oxidation of AlxGa1-xAs with x=0.55-0.99"
2011 International Conference on Solid State Devices and Materials, Nagoya, Japan, September 2011.

・A. Watanabe, F. Ishikawa, M. Kondow
"Effect of Plasma Processes on the Characteristics of GaAs Related Optical Device Structure"
2011 International Conference on Solid State Devices and Materials, Nagoya, Japan, September 2011.

・K. Nakano, R. Nakao, H. Nagatomo, K. Kukita, K. Uwai, F. Ishikawa, M. Morifuji, M. Kondow
"Strudy on Structure Dependent Optical Characteristics of GaAs-related Photonic"
2011 International Conference on Solid State Devices and Materials, Nagoya, Japan, September 2011.

・F. Ishikawa, S. Furuse, K. Sumiya, A. Kinoshita, and M. Morifuji
"Nitrogen Delta-doping: Band Engineering of III-V Semiconductors"
The 28th North American Conference on Molecular Beam Epitaxy, La Jolla, U.S., August 2011.

・R. Gargallo Caballero, E. Luna, F. Ishikawa, and A. Trampert
"Strain-induced Composition Limitation in N -doped InGaAs Quantum Wells Grown by Molecular Beam Epitaxy"
The 28th North American Conference on Molecular Beam Epitaxy, La Jolla, U.S., August 2011.

・F. Ishikawa and M. Kondow
"Unintentional Source Incorporation During Molecular Beam Epitaxy Induced by Gas Phase Scattering"
The 28th North American Conference on Molecular Beam Epitaxy, La Jolla, U.S., August 2011.

・H. Nagatomo, K. Kukita, H. Goto, R. Nakao, K. Nakano, F. Ishikawa, M. Kondow
"Application of GaInNAs to the Gain Medium of Photonic Crystal Microcavity"
The 28th North American Conference on Molecular Beam Epitaxy, La Jolla, U.S., August 2011.

・Shuichi Emura, Masato Morifuji, Masahiko Kondow and Hajime Asahi
"Extended piezoelectric effects to the ligand field splitting of valence band in multi quantum wells composed of wurtzite crystals"
5th Asia-Pacific Workshop on Widegap Semiconductors, We-P19, Toba, Japan, May 25, 2011.

・Shuichi Emura, Masato Morifuji, Masahiko Kondow, and Hajime Asahi
"Induced Dielectric Polarization and Piezoelectric Effects on Valence Band align-ment in Multi-Quantum Well Composed of Wurtzite Semiconductors"
2011 International Conference on Solid State Devices and Materials, J-8-5, Nagoya, Japan, Sept. 30, 2011.

2010

・H. Nakamoto, F. Ishikawa, M. Kondow, Y. Oshima, A. Yabuchi, M. Mizuno, H. Araki, Y. Shirai: “Reduction of S-parameter by the Introduction of Nitrogen in GaNAs: Positron Annihilation and Its Comparative Study with Photoluminescence Spectroscopy” 2010 International Conference on Solid State Devices and Materials, K-7-2, Tokyo, Japan, September 24, 2010.

・M. Mochizuki, T. Nakajima, D. Satoi, F. Ishikawa, M. Kondow, M. Hara, and H. Aoki: “Dry Etching of Al-rich AlxGa1-xAs Holes with High Aspect Ratio for Photonic Crystal Fabrication” 2010 International Conference on Solid State Devices and Materials, P-7-4, Tokyo, Japan, September 23, 2010.

・F. Ishikawa, M. Morifuji, S. Furuse, K. Nagahara, M. Uchiyama, K. Higashi, and M. Kondow: “Direct band engineering with sub-monolayer nitride into III-V quantum system” The 16th International Conference on Molecular Beam Epitaxy, P2.27, Berlin, Germany, August 24, 2010.

・Shuichi Emura, Hiroki Nakamoto, Fumitaro Ishikawa, Masahiko Kondow, and Hajime Asahi: “Temperature dependence of photoluminescence peak energy in Ga(In)NAs” The 30th International Conference on the Physics of Semiconductors, P1-042, Seoul, Korea, July 27, 2010.

・A. Fukuyama, T. Ikari, M. Yano, K. Sakai, H. Yokoyama, and M. Kondow: “Determination of the band gap and its exciton binding energy of 100nm thick GaInNAs films by using a piezoelectric photo-thermal and a photo-reflectance spectroscopy” European Materials Research Society 2010 Spring Meeting, G-82, Strasbourg, France, June 10, 2010.

・T. Ikari, H. Yokoyama, K. Sakai, A. Fukuyama, and M. Kondow: “Effect of rapid thermal annealing on well width dependences of exciton binding energy in GaInNAs/GaAs single quantum wells” European Materials Research Society 2010 Spring Meeting, G-81, Strasbourg, France, June 10, 2010.

2009

・K. Umeno, Y. Furukawa, N. Urakami, S. Mitsuyoshi, F. Ishikawa, H. Yonezu, A. Wakahara and M. Kondow: “Growth and Luminescence Characterization of Dilute InPN alloys Grown by Solid Source Molecular Beam Epitaxy” 26th North American Molecular Beam Epitaxy Conference, P1.20, Princeton, USA, Aug. 11, 2009.

・M. Morifuji, Y. Nakaya, T. Mitamura, M. Kondow: “Novel Design of Current-Driven Photonic Crystal Laser Diode”, The 2009 International Meeting for Future of Electron Devices, Kansai, B-7, Osaka, Japan, May, 2009.

2008

・M. Morifuji, Y. Nakaya, T. Mitamura, and M. Kondow: “Design of Current-Driven Photonic Crystal Lasers for optical communications” 4th Handai Nanoscience and Nanotechnology International Symposium, P1-26, Osaka, Japan, Sep., 2008.

・F. Ishikawa, S.D. Wu, M. Kato, M. Uchiyama, K. Higashi and M. Kondow: “Unintentional incorporation of Al during the plasma-assisted molecular beam epitaxial growth of dilute nitride semiconductors on AlAs”, The 15th International Conference on Molecular Beam Epitaxy, TUA3.5, Vancouver, Canada, Aug., 2008.

・M. Uchiyama, M. Kondow, S.D. Wu, H. Momose, M. Morifuji, T. Ikari, S. Fukushima, and A. Fukuyama: “Experimental study on static dielectric constant of GaInNAs”, The 2008 IEEE 20th Conference on Indium Phosphide and Related Materials, WeP80, Versailles, France, May, 2008.

・H. Momose, T. Kawano, F. Ishikawa, M. Morifuji and M. Kondow: “Selective oxidation of AlGaAs for a next-generation laser made of photonic crystal”, 2008 International Meeting for Future of Electron Devices, Kansai, C-2, Osaka, Japan, May, 2008.

2007

・S. D. Wu, M. Kato, M. Uchiyama, K. Higashi, F. Ishikawa, and M. Kondow: “Passivation of the impact of Aluminum for the growth of high optical quality GaInNAs by molecular beam epitaxy”, The 34th International Symposium on Compound Semiconductors, TuB LN-4, Kyoto, Japan, Oct., 2007.

・H. Furuse, N. Mori, H. Kubo, H. Momose and M. Kondow: “Phonon scattering of hot electrons in intense mid-infrared laser fields” The15th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors, MoP-48, Tokyo, Japan, July, 2007.

・M. Kondow: “Recent topics in GaInNAs laser diodes” The 19th International Conference on Indium Phosphied and Related Materials, SS-1, Matsue, Japan, May, 2007.（invited）

・S. Fukushima, Y. Ohta, M. Arimura, K. Sakai, A. Fukuyama, T. Ikari and M. Kondow: “Strain induced band gap change in Ga1-xInxNAs studied by using a photo-thermal spectroscopy” The European Materials Research Society (E-MRS) 2007 Spring Meeting, F/P-7, Strasbourg, France, May, 2007.

2006

・M. Morifuji, Y. Nakaya, T. Mitamura, T. Kawano, H. Momose, and M. Kondow: “Analysis of characteristics of nano-scale photonic crystal cavity by the finite difference time domain method” 2nd Handai Nanoscience and Nanotechnology International Symposium, P-1-9, Osaka, Japan, Nov., 2006.

・T. Kitatani, J. Kasai, K. Nakahara, T. Tsuchiya, K. Adachi, M. Aoki and M. Kondow: “Variation of PL characteristics in rapid thermally annealed GaInNAs/GaAs multiple-quantum-well structure” The 14th International Conference on Molecular Beam Epitaxy, WeP-30, Tokyo, Japan, Sept., 2006.

・S. Shirakata, M. Kondow, and T. Kitatani: “Studies of quantum levels in GaInNAs single quantum wells” The 15th International Conference on Ternary and Multinary Compounds, Tue-P-2B, Kyoto, Japan, Mar., 2006.

・M. Morifuji, M. Kondow, H. Momose, and N. Mori: “Nano-laser made of photonic laser” 1st Handai Nanoscience and Nanotechnology International Symposium, E-6, Osaka, Japan, Jan., 2006.

2005

・T. Suzuki, H. Momose, M. Morifuji, N. Mori, and M. Kondow: “Periodic Magnetoresistance Oscillations in Side-Gated Quantum Dots” The 7th International Conference on New Phenomena in Mesoscopic Structures & The 5th International Conference on Surfaces and Interfaces of Mesoscopic Devices, Maui, USA, Dec.,2005.