KUMAI Reiji

クマイレイジ | KUMAI Reiji

Affiliation and department：
Homepage URL (1)： http://research.kek.jp/people/rkumai/

Research field (4)： Functional solid-state chemistry , Structural/physical organic chemistry , Basic physical chemistry , Bioorganic chemistry

Research keywords (13)：構造物性 , インクジェット印刷 , 電界効果トランジスタ , モット絶縁体 , 強相関エレクトロニクス , 電極界面 , 電子スピン共鳴 , 電子デバイス・機器 , 有機トランジスタ , 分子性導体 , 分子性固体 , 有機導体 , 表面・界面物性

Research theme for competitive and other funds (10)：

2020 - 2025 先端計測技術を用いた高密度共役分子集積体の物性解明
2020 - 2025 Condensed Conjugation Molecular Physics and Chemistry: Revisiting "Electronic Conjugation" Leading to Innovative Physical Properties of Molecular Materials
2021 - 2024 分子性誘電体物質の新奇強電場相と新機能の創発
2016 - 2018 Development of production technologies for large-area and a few nanometer-thick organic single-crystalline insulating layer toward realizing quantum effect device
2013 - 2018 Imagingforthe studies of spatial hierarchy structure and dynamics using synchrotron radiation

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Papers (232)：

Kiyoshi Nikaido, Satoru Inoue, Seiji Tsuzuki, Reiji Kumai, Hiroyuki Matsui, Kiyofumi Takaba, Saori Maki-Yonekura, Koji Yonekura, Tatsuo Hasegawa. Emergence of mixing-induced polymorphic phase with higher mobility in alkylated layered organic semiconductors. Physical Review Materials. 2024. 8. 11
Keito Murata, Gyo Kitahara, Satoru Inoue, Toshiki Higashino, Satoshi Matsuoka, Shunto Arai, Reiji Kumai, Tatsuo Hasegawa. Stability of ternary interfaces and its effects on ideal switching characteristics in inverted coplanar organic transistors. Physical Review Applied. 2024. 21. 2
Satoru Inoue, Toshiki Higashino, Kiyoshi Nikaido, Ryo Miyata, Satoshi Matsuoka, Mutsuo Tanaka, Seiji Tsuzuki, Sachio Horiuchi, Ryusuke Kondo, Ryoko Sagayama, et al. Control of Polar/Antipolar Layered Organic Semiconductors by the Odd-Even Effect of Alkyl Chain. Advanced Science. 2024
Toshiki Higashino, Satoru Inoue, Shunto Arai, Seiji Tsuzuki, Hiroyuki Matsui, Reiji Kumai, Kiyofumi Takaba, Saori Maki-Yonekura, Hirofumi Kurokawa, Ichiro Inoue, et al. Effects of Thiophene-Fused Isomer on High-Layered Crystallinity in π-Extended and Alkylated Organic Semiconductors. Chemistry of Materials. 2024. 36. 2. 848-859
Shunto Arai, Satoru Inoue, Mutsuo Tanaka, Seiji Tsuzuki, Ryusuke Kondo, Reiji Kumai, Tatsuo Hasegawa. Temperature-induced transformation between layered herringbone polymorphs in molecular bilayer organic semiconductors. Physical Review Materials. 2023. 7. 2

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MISC (350)：

横森創, 出倉駿, 上田顕, 熊井玲児, 村上洋一, 森初果. Various Assembled Structures and Modulation of the Electronic/Magnetic Properties based on Multiple Deprotonation-coupled Oxidation of Nickel Catecholdithiolene Complex. 分子科学討論会講演プログラム&要旨(Web). 2021. 15th
飯田一樹, 吉田紘行, 中尾朗子, JESCHKE Harald O., IQBAL Yasir, 中島健次, 河村聖子, 宗像孝司, 稲村泰弘, 村井直樹, et al. q = 0 long-range magnetic order in spin-1/2 kagome antiferromagnet CaCu₃(OD)₆Cl₂・0.6D₂O. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
横森創, 上田顕, 上田顕, 出倉駿, 熊井玲児, 村上洋一, 森初果. 水酸基を有するNiジチオレン錯体を用いた新規水素結合型分子性結晶の構造及び物性. 分子科学討論会講演プログラム&要旨(Web). 2019. 13th
橋本亮, 新井康夫, 五十嵐教之, 熊井玲児, 三好敏喜, 西村龍太郎, 岸本俊二. 計数型SOI TEGの放射光X線による評価(6). 日本物理学会講演概要集(CD-ROM). 2019. 74. 1
橋本亮, 新井康夫, 五十嵐教之, 熊井玲児, 三好敏喜, 西村龍太郎, 岸本俊二. SOI技術によるパルス計数型ピクセル検出器の性能評価. 日本放射光学会年会・放射光科学合同シンポジウム(Web). 2019. 32nd

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Education (1)：

1986 - 1995 The University of Tokyo Graduate School of Arts and Sciences Department of Multidisciplinary Sciences

Professional career (1)：

Work history (2)：

2011/07 - 現在 High Energy Accelerator Research Organizations Institute of Materials Structure Science Professor
1995/04 - 2011/06 National Institute of Advanced Industrial Science and Technology (AIST)

Association Membership(s) (3)：

分子科学会 , 日本物理学会 , 日本化学会

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