publication_type publication_year number author title journal_title volume_number issue_number start_page end_page doi reported_at
Paper 2024 1 早川 竜馬, パニグラヒ デブダッタ, 若山 裕 有機アンチ・アンバイポーラトランジスタを用いた多機能論理回路 Accounts of Materials & Surface Research 9 1 1 10 2024-04-27 00:57:01 +0900
Paper 2023 1 Ryoma Hayakawa, Yutaka Wakayama Nanotechnology 34 50 502002 https://doi.org/10.1088/1361-6528/acfb0b 2024-04-27 00:57:01 +0900
Paper 2023 2 Debdatta Panigrahi, Ryoma Hayakawa, Junko Aimi, Yutaka Wakayama Advanced Materials Technologies 8 22 https://doi.org/10.1002/admt.202301049 2024-04-27 00:57:01 +0900
Paper 2023 3 Ryoma Hayakawa, Kaito Takahashi, Xinhao Zhong, Kosuke Honma, Debdatta Panigrahi, Junko Aimi, Kaname Kanai, Yutaka Wakayama Nano Letters 23 17 8339 8347 https://doi.org/10.1021/acs.nanolett.3c02726 2024-04-27 00:57:01 +0900
Paper 2023 4 Ryoma Hayakawa, Soichiro Takeiri, Yoichi Yamada, Yutaka Wakayama Advanced Materials Interfaces 10 19 https://doi.org/10.1002/admi.202201857 2024-04-27 00:57:01 +0900
Paper 2023 5 Debdatta Panigrahi, Ryoma Hayakawa, Yutaka Wakayama Advanced Functional Materials 33 20 https://doi.org/10.1002/adfm.202213899 2024-04-27 00:57:01 +0900
Paper 2023 6 Debdatta Panigrahi, Ryoma Hayakawa, Xinhao Zhong, Junko Aimi, Yutaka Wakayama Nano Letters 23 1 319 325 https://doi.org/10.1021/acs.nanolett.2c04415 2024-04-27 00:57:01 +0900
Paper 2023 7 Yoshitaka Shingaya, Amir Zulkefli, Takuya Iwasaki, Ryoma Hayakawa, Shu Nakaharai, Kenji Watanabe, Takashi Taniguchi, Yutaka Wakayama Advanced Electronic Materials 9 1 2200704 https://doi.org/10.1002/aelm.202200704 2024-04-27 00:57:01 +0900
Paper 2022 1 早川 竜馬, バス トゥヒン シュブラ, 若山 裕 分子を量子ドットに用いた縦型トランジスタ 日本物理学会誌 77 5 298 303 2024-04-27 00:57:01 +0900
Paper 2022 2 Yutaka Wakayama, Chang-Hyun Kim, Debdatta Panigrahi, Ryoma Hayakawa Materials Advances 3 13 5260 5273 https://doi.org/10.1039/d1ma01206a 2024-04-27 00:57:01 +0900
Paper 2022 3 Ryoma Hayakawa, Soichiro Takeiri, Yoichi Yamada, Yutaka Wakayama, Keiki Fukumoto Advanced Materials 34 30 2201277 https://doi.org/10.1002/adma.202201277 2024-04-27 00:57:01 +0900
Paper 2022 4 Debdatta Panigrahi, Ryoma Hayakawa, Yutaka Wakayama Journal of Materials Chemistry C 10 14 5559 5566 https://doi.org/10.1039/d1tc05858d 2024-04-27 00:57:01 +0900
Paper 2022 5 Ryoma Hayakawa, Kosuke Honma, Shu Nakaharai, Kaname Kanai, Yutaka Wakayama Electrically Reconfigurable Organic Logic Gates: A Promising Perspective on a Dual‐Gate Antiambipolar Transistor Advanced Materials 34 15 2109491 https://doi.org/10.1002/adma.202109491 2024-04-27 00:57:01 +0900
Paper 2022 6 Tin Phan Nguy, Volkan Kilinc, Ryoma Hayakawa, Catherine Henry-de-Villeneuve, Jean-Manuel Raimundo, Yutaka Wakayama, Anne Charrier Affinity driven ion exchange EG-OFET sensor for high selectivity and low limit of detection of cesium in seawater Sensors and Actuators B: Chemical 351 130956 https://doi.org/10.1016/j.snb.2021.130956 2024-04-27 00:57:01 +0900
Paper 2021 1 Sun-Woo Jo, Jungsoo Choi, Ryoma Hayakawa, Yutaka Wakayama, Sungyeop Jung, Chang-Hyun Kim Organic-semiconductor nanoarchitectonics for multi-valued logic circuits with ideal transfer characteristics Journal of Materials Chemistry C 9 43 15415 15421 https://doi.org/10.1039/d1tc04366h 2024-04-27 00:57:01 +0900
Paper 2021 2 Amir Zulkefli, Bablu Mukherjee, Ryoji Sahara, Ryoma Hayakawa, Takuya Iwasaki, Yutaka Wakayama, Shu Nakaharai Enhanced Selectivity in Volatile Organic Compound Gas Sensors Based on ReS2-FETs under Light-Assisted and Gate-Bias Tunable Operation ACS Applied Materials & Interfaces 13 36 43030 43038 https://doi.org/10.1021/acsami.1c10054 2024-04-27 00:57:01 +0900
Paper 2021 3 Debdatta Panigrahi, Ryoma Hayakawa, Kosuke Honma, Kaname Kanai, Yutaka Wakayama Organic heterojunction transistors for mechanically flexible multivalued logic circuits Applied Physics Express 14 8 081004 https://doi.org/10.35848/1882-0786/ac122f 2024-04-27 00:57:01 +0900
Paper 2021 4 Amir Zulkefli, Bablu Mukherjee, Takuya Iwasaki, Ryoma Hayakawa, Shu Nakaharai, Yutaka Wakayama Gate-bias tunable humidity sensors based on rhenium disulfide field-effect transistors Japanese Journal of Applied Physics 60 SB SBBH01 https://doi.org/10.35848/1347-4065/abd2a0 2024-04-27 00:57:01 +0900
Paper 2021 5 Tuhin Shuvra Basu, Simon Diesch, Ryoma Hayakawa, Yutaka Wakayama, Elke Scheer Single-charge transport through hybrid core–shell Au-ZnS quantum dots: a comprehensive analysis from a modified energy structure Nanoscale 13 9 4978 4984 https://doi.org/10.1039/d0nr06883g 2024-04-27 00:57:01 +0900
Paper 2021 6 Tuhin Shuvra Basu, Yutaka Wakayama, Ryoma Hayakawa Theoretical Insight into Quantum Transport Via Molecular Dots in a Vertical Tunnel Transistor ACS Applied Electronic Materials 3 2 973 978 https://doi.org/10.1021/acsaelm.0c01056 2024-04-27 00:57:01 +0900
Paper 2021 7 Bablu Mukherjee, Ryoma Hayakawa, Kenji Watanabe, Takashi Taniguchi, Shu Nakaharai, Yutaka Wakayama "ReS
2
/h‐BN/Graphene Heterostructure Based Multifunctional Devices: Tunneling Diodes, FETs, Logic Gates, and Memory" Advanced Electronic Materials 7 1 2000925 https://doi.org/10.1002/aelm.202000925 2024-04-27 00:57:01 +0900
Paper 2021 8 Debdatta Panigrahi, Ryoma Hayakawa, Kota Fuchii, Yoichi Yamada, Yutaka Wakayama Optically Controlled Ternary Logic Circuits Based on Organic Antiambipolar Transistors Advanced Electronic Materials 7 1 2000940 https://doi.org/10.1002/aelm.202000940 2024-04-27 00:57:01 +0900
Paper 2020 1 Amir Zulkefli, Bablu Mukherjee, Ryoma Hayakawa, Takuya Iwasaki, Shu Nakaharai, Yutaka Wakayama Light‐Assisted and Gate‐Tunable Oxygen Gas Sensor Based on Rhenium Disulfide Field‐Effect Transistors physica status solidi (RRL) – Rapid Research Letters 14 11 2000330 https://doi.org/10.1002/pssr.202000330 2024-04-27 00:57:01 +0900
Paper 2020 2 Yutaka Wakayama, Ryoma Hayakawa, Kenji Higashiguchi, Kenji Matsuda Photochromism for optically functionalized organic field-effect transistors: a comprehensive review Journal of Materials Chemistry C 8 32 10956 10974 https://doi.org/10.1039/d0tc02683b 2024-04-27 00:57:01 +0900
Paper 2020 3 Yutaka Wakayama, Ryoma Hayakawa Antiambipolar Transistor: A Newcomer for Future Flexible Electronics Advanced Functional Materials 30 20 1903724 https://doi.org/10.1002/adfm.201903724 2024-04-27 00:57:01 +0900
Paper 2020 4 Chang‐Hyun Kim, Ryoma Hayakawa, Yutaka Wakayama Fundamentals of Organic Anti‐Ambipolar Ternary Inverters Advanced Electronic Materials 6 3 1901200 https://doi.org/10.1002/aelm.201901200 2024-04-27 00:57:01 +0900
Paper 2020 5 Tin Phan Nguy, Ryoma Hayakawa, Volkan Kilinc, Matthieu Petit, S L V Narayana Yemineni, Masayoshi Higuchi, Jean-Manuel Raimundo, Anne M. Charrier, Yutaka Wakayama Electrolyte-gated-organic field effect transistors functionalized by lipid monolayers with tunable pH sensitivity for sensor applications Applied Physics Express 13 1 011005 https://doi.org/10.7567/1882-0786/ab5322 2024-04-27 00:57:01 +0900
Paper 2019 1 Nobuya Hiroshiba, Ryoma Hayakawa, Yutaka Wakayama NA Organic Electronics 74 33 36 https://doi.org/10.1016/j.orgel.2019.06.042 2024-04-27 00:57:01 +0900
Paper 2019 2 Bablu Mukherjee, Amir Zulkefli, Ryoma Hayakawa, Yutaka Wakayama, Shu Nakaharai Enhanced Quantum Efficiency in Vertical Mixed-Thickness n-ReS2/p-Si Heterojunction Photodiodes ACS Photonics 6 9 2277 2286 https://doi.org/10.1021/acsphotonics.9b00580 2024-04-27 00:57:01 +0900
Paper 2019 3 Tin Phan Nguy, Ryoma Hayakawa, Volkan Kilinc, Matthieu Petit, Jean-Manuel Raimundo, Anne Charrier, Yutaka Wakayama Stable operation of water-gated organic field-effect transistor depending on channel flatness, electrode metals and surface treatment Japanese Journal of Applied Physics 58 SD SDDH02 https://doi.org/10.7567/1347-4065/ab09d2 2024-04-27 00:57:01 +0900
Paper 2019 4 Yuka Kurokawa, Ryoma Hayakawa, Shinya Shimada, Kouki Tanaka, Kenji Higashiguchi, Yutaka Noguchi, Kenji Matsuda, Yutaka Wakayama Photocontrollable ambipolar transistors with π-conjugated diarylethene photochromic channels Japanese Journal of Applied Physics 58 SD SDDH03 https://doi.org/10.7567/1347-4065/ab09ce 2024-04-27 00:57:01 +0900
Paper 2019 5 Yesul Jeong, Ji Yeong Sung, Yunju Choi, Jong Sung Jin, Jang-Hee Yoon, Sinae Heo, Ryoma Hayakawa, Yutaka Wakayama Structural characterization and transistor properties of thickness-controllable MoS2 thin films Journal of Materials Science 54 10 7758 7767 https://doi.org/10.1007/s10853-019-03435-6 2024-04-27 00:57:01 +0900
Paper 2019 6 Yuka Kurokawa, Ryoma Hayakawa, Shinya Shimada, Kenji Higashiguchi, Yutaka Noguchi, Kenji Matsuda, Yutaka Wakayama Ambipolar carrier transport in an optically controllable diarylethene thin film transistor Organic Electronics 64 205 208 https://doi.org/10.1016/j.orgel.2018.10.020 2024-04-27 00:57:01 +0900
Paper 2018 1 Kazuyoshi Kobashi, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Multi-Valued Logic Circuits Based on Organic Anti-ambipolar Transistors Nano Letters 18 7 4355 4359 https://doi.org/10.1021/acs.nanolett.8b01357 2024-04-27 00:57:01 +0900
Paper 2018 2 Kazuyoshi Kobashi, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Device Geometry Engineering for Controlling Organic Antiambipolar Transistor Properties The Journal of Physical Chemistry C 122 12 6943 6946 https://doi.org/10.1021/acs.jpcc.8b00015 2024-04-27 00:57:01 +0900
Paper 2018 3 Kazuyoshi Kobashi, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Interface Engineering for Controlling Device Properties of Organic Antiambipolar Transistors ACS Applied Materials & Interfaces 10 3 2762 2767 https://doi.org/10.1021/acsami.7b14652 2024-04-27 00:57:01 +0900
Paper 2017 1 Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Vertical resonant tunneling transistors with molecular quantum dots for large-scale integration Nanoscale 9 31 11297 11302 https://doi.org/10.1039/c7nr02463k 2024-04-27 00:57:01 +0900
Paper 2017 2 Kazuyoshi Kobashi, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Negative Differential Resistance Transistor with Organic p-n Heterojunction Advanced Electronic Materials 3 8 1700106 https://doi.org/10.1002/aelm.201700106 2024-04-27 00:57:01 +0900
Paper 2017 3 Carolin Lutz, Tsuyoshi Hasegawa, Takashi Tsuchiya, Christoph Adelsberger, Ryoma Hayakawa, Toyohiro Chikyow 綱引き動作のためのP型ポリマーを用いた原子スイッチ Japanese Journal of Applied Physics 56 6S1 06GF03 https://doi.org/10.7567/jjap.56.06gf03 2024-04-27 00:57:01 +0900
Paper 2017 4 Takahiro Nagata, Tatsuru Nakamura, Ryoma Hayakawa, Takeshi Yoshimura, Seungjun Oh, Nobuya Hiroshiba, Toyohiro Chikyow, Norifumi Fujimura, Yutaka Wakayama Photoelectron spectroscopic study on monolayer pentacene thin-film/polar ZnO single-crystal hybrid interface Applied Physics Express 10 2 025702 https://doi.org/10.7567/apex.10.025702 2024-04-27 00:57:01 +0900
Paper 2017 5 S. Heo, R. Hayakawa, Y. Wakayama Carrier transport properties of MoS2 field-effect transistors produced by multi-step chemical vapor deposition method Journal of Applied Physics 121 2 024301 https://doi.org/10.1063/1.4973491 2024-04-27 00:57:01 +0900
Paper 2016 1 Tohru Tsuruoka, Ryoma Hayakawa, Kazuyoshi Kobashi, Kenji Higashiguchi, Kenji Matsuda, Yutaka Wakayama Laser Patterning of Optically Reconfigurable Transistor Channels in a Photochromic Diarylethene Layer Nano Letters 16 12 7474 7480 https://doi.org/10.1021/acs.nanolett.6b03162 2024-04-27 00:57:01 +0900
Paper 2016 2 Yuta Takaki, Yutaka Wakayama, Yasushi Ishiguro, Ryoma Hayakawa, Masakazu Yamagishi, Toshihiro Okamoto, Jun Takeya, Kenji Yoza, Kenji Kobayashi Soluble 2,6-Bis(4-pentylphenylethynyl)anthracene as a High Hole Mobility Semiconductor for Organic Field-effect Transistors Chemistry Letters 45 12 1403 1405 https://doi.org/10.1246/cl.160731 2024-04-27 00:57:01 +0900
Paper 2016 3 Matthieu Petit, Ryoma Hayakawa, Yutaka Wakayama, Vinh Le Thanh, Lisa Michez Mn5Ge3C0.6 /Ge(1 1 1) Schottky contacts tuned by an n-type ultra-shallow doping layer Journal of Physics D: Applied Physics 49 35 355101 https://doi.org/10.1088/0022-3727/49/35/355101 2024-04-27 00:57:01 +0900
Paper 2016 4 Ryoma Hayakawa, Mohammad Amin Karimi, Jannic Wolf, Thomas Huhn, Martin Sebastian Zöllner, Carmen Herrmann, Elke Scheer Large Magnetoresistance in Single-Radical Molecular Junctions Nano Letters 16 8 4960 4967 https://doi.org/10.1021/acs.nanolett.6b01595 2024-04-27 00:57:01 +0900
Paper 2016 5 Seungjun Oh, Ryoma Hayakawa, Chengjun Pan, Kazunori Sugiyasu, Yutaka Wakayama Polymer chain alignment and transistor properties of nanochannel-templated poly(3-hexylthiophene) nanowires Journal of Applied Physics 120 5 055501 https://doi.org/10.1063/1.4960133 2024-04-27 00:57:01 +0900
Paper 2016 6 M. A. Karimi, S. G. Bahoosh, M. Herz, R. Hayakawa, F. Pauly, E. Scheer Shot Noise of 1,4-Benzenedithiol Single-Molecule Junctions Nano Letters 16 3 1803 1807 https://doi.org/10.1021/acs.nanolett.5b04848 2024-04-27 00:57:01 +0900
Paper 2016 7 S. N. Heo, Y. Ishiguro, R. Hayakawa, T. Chikyow, Y. Wakayama CVD法による高配向MoS2薄膜の成長 APL Materials 4 3 030901 https://doi.org/10.1063/1.4943288 2024-04-27 00:57:01 +0900
Paper 2015 1 Seungjun Oh, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Nanochannel effect in polymer nanowire transistor with highly aligned polymer chains Applied Physics Letters 106 24 243301 https://doi.org/10.1063/1.4922377 2024-04-27 00:57:01 +0900
Paper 2015 2 Ryoma Hayakawa, Matthieu Petit, Kenji Higashiguchi, Kenji Matsuda, Toyohiro Chikyow, Yutaka Wakayama Interface engineering for improving optical switching in a diarylethene-channel transistor Organic Electronics 21 149 154 https://doi.org/10.1016/j.orgel.2015.03.011 2024-04-27 00:57:01 +0900
Paper 2014 1 Yasushi Ishiguro, Michel Frigoli, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Improved thermal stability in photochromism-based optically controllable organic thin film transistor Organic Electronics 15 9 1891 1895 https://doi.org/10.1016/j.orgel.2014.05.030 2024-04-27 00:57:01 +0900
Paper 2014 2 Yasushi Ishiguro, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Optically Controllable Dual-Gate Organic Transistor Produced via Phase Separation between Polymer Semiconductor and Photochromic Spiropyran Molecules ACS Applied Materials & Interfaces 6 13 10415 10420 https://doi.org/10.1021/am501884q 2024-04-27 00:57:01 +0900
Paper 2014 3 Nobuya Hiroshiba, Kenta Morimoto, Ryoma Hayakawa, Yutaka Wakayama, Tatsuo Mori, Kiyoto Matsuishi Exciton dynamics at the heteromolecular interface between N,N′-dioctyl-3,4,9,10-perylenedicarboximide and quaterrylene, studied using time-resolved photoluminescence AIP Advances 4 6 067112 https://doi.org/10.1063/1.4880495 2024-04-27 00:57:01 +0900
Paper 2014 4 Yutaka Wakayama, Ryoma Hayakawa, Hoon-Seok Seo Recent progress in photoactive organic field-effect transistors Science and Technology of Advanced Materials 15 2 024202 https://doi.org/10.1088/1468-6996/15/2/024202 2024-04-27 00:57:01 +0900
Paper 2014 5 Hoon-Seok Seo, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Multilevel Operation of Resonant Tunneling with Binary Molecules in a Metal–Insulator–Semiconductor Configuration The Journal of Physical Chemistry C 118 12 6467 6472 https://doi.org/10.1021/jp411386s 2024-04-27 00:57:01 +0900
Paper 2014 6 Yutaka Wakayama, Ryoma Hayakawa Integration of molecular functions into Si device for nanoscale molecular devices Thin Solid Films 554 2 7 https://doi.org/10.1016/j.tsf.2013.03.081 2024-04-27 00:57:01 +0900
Paper 2014 7 Nobuya Hiroshiba, Jonathan P. Hill, Ryoma Hayakawa, Katsuhiko Ariga, Kiyoto Matsuishi, Yutaka Wakayama Layer-by-layer growth of precisely controlled hetero-molecular multi-layers and superlattice structures Thin Solid Films 554 74 77 https://doi.org/10.1016/j.tsf.2013.03.082 2024-04-27 00:57:01 +0900
Paper 2013 1 Ryoma Hayakawa, Kenji Higashiguchi, Kenji Matsuda, Toyohiro Chikyow, Yutaka Wakayama Photoisomerization-Induced Manipulation of Single-Electron Tunneling for Novel Si-Based Optical Memory ACS Applied Materials & Interfaces 5 21 11371 11376 https://doi.org/10.1021/am403616m 2024-04-27 00:57:01 +0900
Paper 2013 2 Yasushi Ishiguro, Ryoma Hayakawa, Takeshi Yasuda, Toyohiro Chikyow, Yutaka Wakayama Unique Device Operations by Combining Optical-Memory Effect and Electrical-Gate Modulation in a Photochromism-Based Dual-Gate Transistor ACS Applied Materials & Interfaces 5 19 9726 9731 https://doi.org/10.1021/am402833k 2024-04-27 00:57:01 +0900
Paper 2013 3 Jianchen Hu, Kendal W. Clark, Ryoma Hayakawa, An-Ping Li, Yutaka Wakayama Enhanced Electrical Conductivity in Poly(3-hexylthiophene)/Fluorinated Tetracyanoquinodimethane Nanowires Grown with a Porous Alumina Template Langmuir 29 24 7266 7270 https://doi.org/10.1021/la304499k 2024-04-27 00:57:01 +0900
Paper 2013 4 Ryoma Hayakawa, Kenji Higashiguchi, Kenji Matsuda, Toyohiro Chikyow, Yutaka Wakayama Optically and Electrically Driven Organic Thin Film Transistors with Diarylethene Photochromic Channel Layers ACS Applied Materials & Interfaces 5 9 3625 3630 https://doi.org/10.1021/am400030z 2024-04-27 00:57:01 +0900
Paper 2013 5 Yasushi Ishiguro, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama Optical switching of carrier transport in polymeric transistors with photochromic spiropyran molecules Journal of Materials Chemistry C 1 17 3012 https://doi.org/10.1039/c3tc30130c 2024-04-27 00:57:01 +0900
Paper 2012 1 T. Nagata, S. Oh, Y. Yamashita, H. Yoshikawa, R. Hayakawa, K. Kobayashi, T. Chikyow, Y. Wakayama Hard x-ray photoelectron spectroscopy study on band alignment at poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/ZnO interface Applied Physics Letters 101 17 173303 https://doi.org/10.1063/1.4762834 2024-04-27 00:57:01 +0900
Paper 2012 2 Yutaka Wakayama, Nobuya Hiroshiba, Ryoma Hayakawa, Toyohiro Chikyow, Kenji Kobayashi Potential of Directed- and Self-Assembled Molecular Nanowires for Optoelectronic Functional Devices Japanese Journal of Applied Physics 51 06FA01 https://doi.org/10.1143/jjap.51.06fa01 2024-04-27 00:57:01 +0900
Paper 2012 3 Masataka Imura, Ryoma Hayakawa, Hirotaka Ohsato, Eiichiro Watanabe, Daiju Tsuya, Takahiro Nagata, Meiyong Liao, Yasuo Koide, Jun-ichi Yamamoto, Kazuhito Ban, Motoaki Iwaya, Hiroshi Amano AlN／ダイヤモンドヘテロ構造を用いたダイヤモンドトランジスタ Diamond and Related Materials 24 206 209 https://doi.org/10.1016/j.diamond.2012.01.020 2024-04-27 00:57:01 +0900
Paper 2011 1 Ryoma Hayakawa, Masashi Yoshida, Kouta Ide, Yoshiyuki Yamashita, Hideki Yoshikawa, Keisuke Kobayashi, Shunsuke Kunugi, Tsuyoshi Uehara, Norifumi Fujimura Structural analysis and electrical properties of pure Ge3N4 dielectric layers formed by an atmospheric-pressure nitrogen plasma Journal of Applied Physics 110 6 064103 https://doi.org/10.1063/1.3638133 2024-04-27 00:57:01 +0900
Paper 2011 2 Ryoma Hayakawa, Nobuya Hiroshiba, Toyohiro Chikyow, Yutaka Wakayama Single-Electron Tunneling through Molecular Quantum Dots in a Metal-Insulator-Semiconductor Structure Advanced Functional Materials 21 15 2933 2937 https://doi.org/10.1002/adfm.201100220 2024-04-27 00:57:01 +0900
Paper 2011 3 Nobuya Hiroshiba, Ryoma Hayakawa, Toyohiro Chikyow, Kiyoto Matsuishi, Yutaka Wakayama Ambipolar carrier transport in hetero-layered organic transistors consisting of quaterrylene and N,N′-dioctyl-3,4,9,10-perylenedicarboximide Organic Electronics 12 8 1336 1340 https://doi.org/10.1016/j.orgel.2011.05.001 2024-04-27 00:57:01 +0900
Paper 2011 4 Nobuya Hiroshiba, Kenta Morimoto, Ryoma Hayakawa, Toyohiro Chikyow, Yutaka Wakayama, Kiyoto Matsuishi Study of the exciton relaxation and recombination processes of a heteromolecular interface fabricated by a molecular superlattice growth technique Chemical Physics Letters 512 4-6 227 230 https://doi.org/10.1016/j.cplett.2011.07.016 2024-04-27 00:57:01 +0900
Paper 2011 5 Nobuya Hiroshiba, JonathanP. Hill, Ryoma Hayakawa, Toyohiro Chikyow, Kiyoto Matsuishi, Katsuhiko Ariga, Yutaka Wakayama Molecular Alignment and Energy-Level Diagram at Heteromolecular Interface of Quaterrylene and Terrylene-3,4,11,12-Tetracarboximide Journal of Nanoscience and Nanotechnology 11 6 4888 4892 https://doi.org/10.1166/jnn.2011.4749 2024-04-27 00:57:01 +0900
Paper 2011 6 Masataka Imura, Ryoma Hayakawa, Eiichiro Watanabe, Meiyong Liao, Yasuo Koide, Hiroshi Amano AlN／ダイヤモンドヘテロ構造を用いたダイヤモンド電界効果トランジスタ physica status solidi (RRL) - Rapid Research Letters 5 3 125 127 https://doi.org/10.1002/pssr.201105024 2024-04-27 00:57:01 +0900
Paper 2011 7 N. Hiroshiba, R. Hayakawa, T. Chikyow, Y. Yamashita, H. Yoshikawa, K. Kobayashi, K. Morimoto, K. Matsuishi, Y. Wakayama Energy-level alignments and photo-induced carrier processes at the heteromolecular interface of quaterrylene and N,N′-dioctyl-3,4,9,10-perylenedicarboximide Physical Chemistry Chemical Physics 13 13 6280 https://doi.org/10.1039/c0cp02663h 2024-04-27 00:57:01 +0900
Paper 2010 1 Ryoma Hayakawa, Ayse Turak, XueNa Zhang, Nobuya Hiroshiba, Helmut Dosch, Toyohiro Chikyow, Yutaka Wakayama Strain-effect for controlled growth mode and well-ordered structure of quaterrylene thin films The Journal of Chemical Physics 133 3 034706 https://doi.org/10.1063/1.3456733 2024-04-27 00:57:01 +0900
Paper 2010 2 T. Nagata, J. Volk, M. Haemori, Y. Yamashita, H. Yoshikawa, R. Hayakawa, M. Yoshitake, S. Ueda, K. Kobayashi, T. Chikyow Schottky barrier height behavior of Pt–Ru alloy contacts on single-crystal n-ZnO Journal of Applied Physics 107 10 103714 https://doi.org/10.1063/1.3427562 2024-04-27 00:57:01 +0900
Paper 2010 3 Seiichi Takami, Ryoma Hayakawa, Yutaka Wakayama, Toyohiro Chikyow Nanotechnology 21 13 134009 https://doi.org/10.1088/0957-4484/21/13/134009 2024-04-27 00:57:01 +0900
Paper 2009 1 HAYAKAWA, Ryoma, HIROSHIBA, Nobuya, CHIKYOW, Toyohiro, WAKAYAMA, Yutaka THIN SOLID FILMS 437 440 2024-04-27 00:57:01 +0900
Paper 2009 2 HIROSHIBA, Nobuya, HAYAKAWA, Ryoma, PETIT, Matthieu Gerald Maurice, CHIKYOW, Toyohiro, MATSUISHI Kiyoto, WAKAYAMA, Yutaka ヘテロ分子層の構造解析とトランジスタ特性 THIN SOLID FILMS 441 443 2024-04-27 00:57:01 +0900
Paper 2009 3 Matthieu Petit, Ryoma Hayakawa, Toyohiro Chikyow, Jonathan P. Hill, Katsuhiko Ariga, Yutaka Wakayama Variable temperature characterization of N,N′-Bis(n-pentyl)terrylene-3,4:11,12-tetracarboxylic diimide thin film transistor Organic Electronics 10 6 1187 1190 https://doi.org/10.1016/j.orgel.2009.05.026 2024-04-27 00:57:01 +0900
Paper 2009 4 Nobuya Hiroshiba, Ryoma Hayakawa, Matthieu Petit, Toyohiro Chikyow, Kiyoto Matsuishi, Yutaka Wakayama Growth and structural characterization of molecular superlattice of quaterrylene and N, N’-dioctyl-3,4,9,10-perylenedicarboximide Organic Electronics 10 5 1032 1036 https://doi.org/10.1016/j.orgel.2009.05.010 2024-04-27 00:57:01 +0900
Paper 2009 5 T. Nagata, J. Volk, Y. Yamashita, H. Yoshikawa, M. Haemori, R. Hayakawa, M. Yoshitake, S. Ueda, K. Kobayashi, T. Chikyow Interface structure and the chemical states of Pt film on polar-ZnO single crystal Applied Physics Letters 94 22 221904 https://doi.org/10.1063/1.3149701 2024-04-27 00:57:01 +0900
Paper 2009 6 Ryoma Hayakawa, XueNa Zhang, Helmut Dosch, Nobuya Hiroshiba, Toyohiro Chikyow, Yutaka Wakayama The Journal of Physical Chemistry C 113 6 2197 2199 https://doi.org/10.1021/jp809556p 2024-04-27 00:57:01 +0900
Paper 2008 1 Ryoma Hayakawa, Matthieu Petit, Toyohiro Chikyow, Yutaka Wakayama Interface Engineering for Molecular Alignment and Device Performance of Quaterrylene Thin Films Applied Physics Letters 93 15 153301 https://doi.org/10.1063/1.2998404 2024-04-27 00:57:01 +0900
Paper 2008 2 Yutaka Wakayama, Ryoma Hayakawa, Toyohiro Chikyow, Shinichi Machida, Tomonobu Nakayama, Stefan Egger, Dimas G. de Oteyza, Helmut Dosch, Kenji Kobayashi Self-assembled molecular nanowires of 6,13-bis(methylthio)pentacene: growth, electrical properties and applications Nano Letters 8 10 3273 3277 https://doi.org/10.1021/nl801649v 2024-04-27 00:57:01 +0900
Paper 2008 3 Ryoma Hayakawa, Matthieu Petit, Toyohiro Chikyow, Yutaka Wakayama Analysis of carrier transport in quaterrylene thin film transistors formed by ultraslow vacuum deposition Journal of Applied Physics 104 2 024506 https://doi.org/10.1063/1.2956696 2024-04-27 00:57:01 +0900
Paper 2008 4 Matthieu Petit, Ryoma Hayakawa, Yasuhiro Shirai, Yutaka Wakayama, Jonathan P. Hill, Katsuhiko Ariga, Toyohiro Chikyow Growth and electrical properties of N,N-bis(n-pentyl)terrylene-3,4:11,12-tetracarboximide thin films Applied Physics Letters 92 16 163301 https://doi.org/10.1063/1.2907689 2024-04-27 00:57:01 +0900
Paper 2007 1 Ryoma Hayakawa, Matthieu Petit, Yutaka Wakayama, Toyohiro Chikyow 超低速分子蒸着法を用いて形成したクォテリレン薄膜のシリコン酸化膜上における成長過程 The Journal of Physical Chemistry C 111 50 18703 18707 https://doi.org/10.1021/jp076308v 2024-04-27 00:57:01 +0900
Paper 2007 2 Ryoma Hayakawa, Matthieu Petit, Yutaka Wakayama, Toyohiro Chikyow シリコン酸化膜上に形成したQuaterrylene有機半導体薄膜の成長 Organic Electronics 8 5 631 634 https://doi.org/10.1016/j.orgel.2007.07.007 2024-04-27 00:57:01 +0900
Paper 2007 3 Matthieu Petit, Ryoma Hayakawa, Yutaka Wakayama, Toyohiro Chikyow Early stage of growth of a perylene diimide derivative thin film growth on various Si(001) substrates The Journal of Physical Chemistry C 111 34 12747 12751 https://doi.org/10.1021/jp071876w 2024-04-27 00:57:01 +0900