イオントロニクス学理の構築

2018 Fiscal Year Annual Research Report

• Project/Area Number: 25000003
• Research Institution: The University of Tokyo
• Principal Investigator: 岩佐 義宏 東京大学, 大学院工学系研究科, 教授
• Project Period (FY): 2013 – 2018
• Keywords: イオントロニクス / 電気二重層トランジスタ / 電子相制御 / イオン液体・ゲル / 超伝導 / 機能デバイス / 分子線エピタキシー

Outline of Annual Research Achievements

2018年度は、最終年度の2017年度からの予算繰り越しによって、岩佐グループのみに研究費を配分した。岩佐は、下記の成果を上げた。塚崎と竹延は、独自に研究を継続し、最終年度にふさわしい、意義ある共同研究成果を出版した。
まず岩佐は以下の津3つの成果を上げた。
①イオントロニクス技術の一つに、単一試料におけるキャリア数制御を通した電子相図の構築があるが、この技術を電子ドープ型銅酸化物に適用し、アンダードープ領域からオーバードープ領域までの電子相図を構築することに成功した。その過程で、超伝導相が立ち上がる近傍で電荷密度波相が発達することを発見した。
②また、イオントロニクス法による電界誘起超伝導を推進した。電気化学的手法によってイオンをドープした、単一遷移金属ダイカルコゲナイドナノチューブ電界誘起超伝導の研究を進め、超伝導転移温度とナノチューブの直径依存性を明らかにした。また、電界誘起2次元超伝導における、結晶対称性の破れに起因する超伝導の整流性を研究した。超伝導の整流性の特徴的な振る舞いが超伝導ボルテックスの量子的な運動によって理解できるをことを発見した。
③一方で、分子線エピタキシー法で2次元物質やそのヘテロ構造を作製する手法を確立した。そして、フェルミ準位の異なる2次元物質を積層させた界面では、フェルミ準位の差に依存して電荷移動が生じ、組み合わせによっては元々が絶縁体同士でも高い電気伝導性を示す電荷移動界面を構築可能であることを発見した。
次に塚﨑らは、イオン液体を用いた電気化学エッチングを推進した。2018年度は、岩佐グループとの共同研究を進め、FeSe原子層状態の超伝導特性と熱電特性の相関を明らかにした。その結果、原子層おいて、巨大な熱電変換効率を示すことを発見した。実現された熱電電力因子は室温において250μW/cm/K^2、低温の45 Kにおいて250mW/cm/K^2に達した。すなわち、室温以下での熱電電力因子の世界記録をイオントロニクスによって達成できたのである。本研究は2次元物質の隠された性能をイオントロニクスによって引き出した極めて重要な成果である。
竹延らは、電解質を用いた発光素子をGaN、有機高分子、遷移金属ダイカルコゲナイド単層膜などで実現した。加えて、グラファイト、有機高分子のフィリング制御し、熱電変換特性を明らかにした。電解質を用いつつ、大面積で将来的に集積化可能な集積化可能なインバータの作製にも成功している。

Research Products

• [Int'l Joint Research] Holon Inst. of Tech./Weizmann Inst. of Science(イスラエル)
  • Country Name: ISRAEL
  • Counterpart Institution: Holon Inst. of Tech./Weizmann Inst. of Science
• [Int'l Joint Research] ETH Zurich/Swiss Federal Laboratories for Materials Science and(スイス)
  • Country Name: SWITZERLAND
  • Counterpart Institution: ETH Zurich/Swiss Federal Laboratories for Materials Science and
• [Int'l Joint Research] Sapienza University/ELETTRA(イタリア)
  • Country Name: ITALY
  • Counterpart Institution: Sapienza University/ELETTRA
• [Int'l Joint Research] Cambridge Display Technology, Ltd.(イギリス)
  • Country Name: イギリス
  • Counterpart Institution: Cambridge Display Technology, Ltd.
• [Int'l Joint Research] マックスプランク研究所(ドイツ)
  • Country Name: GERMANY
  • Counterpart Institution: マックスプランク研究所
• [Int'l Joint Research]
  • # of Other Countries: 4
• [Journal Article] Electrical Conduction at the Interface between Insulating van der Waals Materials (2019)
  • Author(s): Y. Kashiwabara, M. Nakano, Y. Nakagawa, Y. Wang, H. Matsuoka, and Y. Iwasa
  • Journal Title: Advanced Functional Materials Pages: 1900354-1-1900354-6
  • DOI: 10.1002/adfm.201900354
  • Peer Reviewed
• [Journal Article] Giant thermoelectric power factor in ultrathin FeSe superconductor (2019)
  • Author(s): S. Shimizu, J. Shiogai, N. Takemori, S. Sakai, H. Ikeda, T. Nojima, A. Tsukazaki, Y. Iwasa
  • Journal Title: Nature Communications Volume: 10 Pages: 825-1-825-7
  • DOI: 1038/s41467-019-08784-z
  • Peer Reviewed / Open Access
• [Journal Article] Room-temperature side-gate-induced current modulation in a magnetic tunnel junction with an oxide-semiconductor barrier for vertical spin MOSFET operation (2019)
  • Author(s): T. Kanaki, S. Matsumoto, SK. Narayananellore, H. Saito, Y. Iwasa, M. Tanaka, S. Ohya
  • Journal Title: APPLIED PHYSICS EXPRESS Volume: 12 Pages: 023009-1-023009-4
  • DOI: 10.7567/1882-0786/aafed6
  • Peer Reviewed
• [Journal Article] Fermi level tuning of Ag-doped Bi2Se3 topological insulator (2019)
  • Author(s): Eri Uesugi, Takaki Uchiyama, Hidenori Goto, Hiromi Ota, Teppei Ueno, Hirokazu Fujiwara, Kensei Terashima, Takayoshi Yokoya, Fumihiko Matsui, Jun Akimitsu, Kaya Kobayashi and Yoshihiro Kubozono
  • Journal Title: Scientific Reports Volume: 9 Pages: 5376
  • DOI: 10.1038/s41598-019-41906-7
  • Peer Reviewed / Open Access
• [Journal Article] Formation of environmentally stable hole-doped graphene films with instantaneous and high-density carrier doping via a boron-based oxidant (2019)
  • Author(s): K. Kanahashi, N. Tanaka, Y. Shoji, M. Maruyama, I. Jeon, K. Kawahara, M. Ishihara, M. Hasegawa, H. Ohta, H. Ago, Y. Matsuo, S. Okada, T. Fukushima, and T. Takenobu
  • Journal Title: npj 2D Materials and Applications Volume: 3 Pages: 7-1-7-7
  • DOI: 10.1038/s41699-019-0090-x
  • Peer Reviewed / Open Access
• [Journal Article] Indenofluorene-based-copolymers : Influence of electron-deficient benzothiadiazole (BT) and benzooxadiazole (BO) moieties on light emitting devices (2019)
  • Author(s): T. T. Do, K. Matsuki, T. Sakanoue, F. -L. Wong, S. Manzhos, C. -S. Lee, J. Bell, T. Takenobu, and P. Sonar
  • Journal Title: Organic Electronics Volume: 70 Pages: 14-24
  • DOI: 10.1016/j.orgel.2019.03.050
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Two-dimensional ground-state mapping of a Mott-Hubbard system in a flexible field-effect device (2019)
  • Author(s): Y. Kawasugi, K. Seki, S. Tajima, J. Pu, T. Takenobu, S. Yunoki, H. M. Yamamoto, and R. Kato
  • Journal Title: Science Advances
  • DOI: 10.1126/sciadv.aav7282
  • Peer Reviewed / Open Access
• [Journal Article] Light-Triggered Viscoelastic Transition of Block Copolymer Ion Gels in a Photo-switchable Azobenzene Ionic Liquid (2019)
  • Author(s): Caihong Wang, Kei Hashimoto, Ryota Tamate, Hisashi Kokubo, Ken Morishima, Xiang Li, Mitsuhiro Shibayama, Fengniu Lu, Takashi Nakanishi, Masayoshi Watanabe
  • Journal Title: Chem. Commun. Volume: 55 Pages: 1710-1713
  • DOI: 10.1039/c8cc08203k
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Diameter-dependent superconductivity in individual WS2 nanotubes (2018)
  • Author(s): F. Qin, T. Ideue W. Shi, X. Zhang, M. Yoshida, A. Zak, R. Tenne, T. Kikitsu, D. Inoue, D. Hashizume, and Y. Iwasa
  • Journal Title: Nano Letters Volume: 18 Pages: 6789-6794
  • DOI: 10.1021/acs.nanolett.8b02647
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Optoelectronic response of a WS2 tubular p-n junction (2018)
  • Author(s): Y. J. Zhang, M. Onga, F. Qin, W. Shi, A. Zak, R. Tenne, J. Smet, Y. Iwasa
  • Journal Title: 2D materials Volume: 5 Pages: 035002-1-035002-8
  • DOI: 10.1088/2053-1583/aab670
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Gate-controlled low carrier density superconductors : Toward the two-dimensional BCS-BEC crossover (2018)
  • Author(s): Y. Nakagawa, Y. Saito, T. Nojima, K. Inumaru, S. Yamanaka, Y. Kasahara, and Y. Iwasa
  • Journal Title: Physical Review B Volume: 98 Pages: 064512-1-064512-8
  • DOI: 10.1103/PhysRevB.98.064512
  • Peer Reviewed
• [Journal Article] Transport properties of a few nanometer-thick TiSe2 films grown by molecular-beam epitaxy (2018)
  • Author(s): Y. Wang, M. Nakano, Y. Kusawabara, H. Matsuoka and Y. Iwasa
  • Journal Title: Applied Physics Letters Volume: 113 Pages: 073101-1-073101-6
  • DOI: 10.1063/1.5039493
  • Peer Reviewed
• [Journal Article] Signatures of charge-order correlations in transport properties of electron-doped cuprate superconductors (2018)
  • Author(s): H. Matsuoka, M. Nakano, M. Uchida, M. Kawasaki, and Y. Iwasa
  • Journal Title: Physical Review B Volume: 98 Pages: 144506-1-144506-6
  • DOI: 10.1103/PhysRevB.98.144506
  • Peer Reviewed
• [Journal Article] Metastable Superconductivity in Two-Dimensional IrTe2 Crystals (2018)
  • Author(s): Masaro Yoshida, Kazutaka Kudo, Minoru Nohara, Yoshihiro Iwasa
  • Journal Title: Nano Letters Volume: 18 Pages: 3113-3117
  • DOI: 10.1021/acs.nanolett.8b00673
  • Peer Reviewed
• [Journal Article] Ligand and Solvent Effects on Hole Transport in Colloidal Quantum Dot Assemblies for Electronic Devices (2018)
  • Author(s): Liming Liu, Satria Zulkarnaen Bisri, Yasuhiro Ishida, Daisuke Hashizume, Takuzo Aida, Yoshihiro Iwasa
  • Journal Title: ACS Applied Nano Materials Volume: 1 Pages: 5217-5225
  • DOI: 10.1021/acsanm.8b01205
  • Peer Reviewed
• [Journal Article] Lead becomes a noncentrosymmetric superconductor in 2D limit (2018)
  • Author(s): Y. Iwasa
  • Journal Title: SCIENCE BULLETIN Volume: 63 Pages: 595-596
  • DOI: 10.1016/j.scib.2018.04.018
  • Peer Reviewed / Open Access
• [Journal Article] Improved performance of a GaMnAs-based vertical spin electric double-layer transistor (2018)
  • Author(s): T. Kanaki, H. Yamasaki, H. Terada, Y. Iwasa, S. Ohya, M. Tanaka.
  • Journal Title: JAPANESE JOURNAL OF APPLIED PHYSICS Volume: 57 Pages: 090301-1-090301-5
  • DOI: 10.7567/JJAP.57.090301
  • Peer Reviewed
• [Journal Article] Neutron diffraction study of antiferromagnetic ErNi3Ga9 in magnetic fields (2018)
  • Author(s): HirokiNinomiya, TakaakiSato, Yuji Matsumoto, Taketo Moyoshi, Akiko Nakao, Kazuki Ohishi, Yusuke Kousaka, Jun Akimitsu, Katsuya Inoue, Shigeo Ohara
  • Journal Title: Physica B : Condensed Matter Volume: 536 Pages: 392-396
  • DOI: 10.1016/j.physb.2017.09.057
  • Peer Reviewed
• [Journal Article] Crystal structure and superconducting properties of KSr2Nb3010 (2018)
  • Author(s): T. Kawaguchi K. Horigane, Y. Itoh, K. Kobayashi, R. Horie, T. Kambe, J. Akimitsu
  • Journal Title: Physica B : Condensed Matter Volume: 536 Pages: 830-832
  • DOI: 10.1016/j.physb.2017.09.060
  • Peer Reviewed
• [Journal Article] Determination of the local structure of Sr2-xMxIr04 (M=K, La) as a function of doping and temperature (2018)
  • Author(s): K. Terashima, E. Paris, E. Salas-Colera, L. Simonelli, B. Joseph, T. Wakita, K. Horigane, M. Fujii, Kaya Kobayashi, R. Horie, J. Akimitsu, Y. Muraoka, T. Yokoya and N. L. Saini
  • Journal Title: Phys. Chem. Chem. Phys. Volume: 20 Pages: 23783-23788
  • DOI: 10.1039/C8CP03756F
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Effects of dynamic stress in magnetic superlattice of a monoaxial chiral magnet Crl/3NbS2 (2018)
  • Author(s): K Tsuruta, M Mito, Y Togawa, Y Kousaka, J Akimitsu and K Inoue
  • Journal Title: J. Phys. : Conf. Ser Volume: 969 Pages: 12132
  • DOI: 10.1088/1742-6596/969/1/012132
  • Peer Reviewed
• [Journal Article] Anisotropy of the upper critical field and its thickness dependence in superconducting FeSe electric-double-layer transistors (2018)
  • Author(s): J. Shiogai, S. Kimura, S. Awaji, T. Nojima, A. Tsukazaki
  • Journal Title: Physical Review B Volume: 97 Pages: 174520-1-174520-6
  • DOI: 10.1103/PhysRevB.97.174520
  • Peer Reviewed
• [Journal Article] GaN light-emitting device based on ionic liquid electrolyte (2018)
  • Author(s): T. Hirai, T. Sakanoue, and T. Takenobu
  • Journal Title: Jpn. J. Appl. Phys. Volume: 57 Pages: 06HE05-1-06HE05-4
  • DOI: 10.7567/JJAP.57.06HE05
  • Peer Reviewed
• [Journal Article] Monolayer Transition Metal Dichalcogenides as Light Sources (2018)
  • Author(s): J. Pu, and T. Takenobu
  • Journal Title: Adv. Matter. Volume: 30 Pages: 1707627-1-1707627-22
  • DOI: 10.1002/adma.201707627
  • Peer Reviewed
• [Journal Article] Synthesis of Large-Area InSe Monolayers by Chemical Vapor Deposition (2018)
  • Author(s): H. -C. Chang, C. -L. Tu, K. -I. Lin, J. Pu, T. Takenobu, C. -N. Hsiao, C. -H. Chen
  • Journal Title: small Volume: 14 Pages: 1802351-1-1802351-9
  • DOI: 10.1002/smll.201802351
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Block copolymer self-assembly in ionic liquids (2018)
  • Author(s): Ryota Tamatea, Kei Hashimotoa, Takeshi Ueki, Masayoshi Watanabe
  • Journal Title: Phys. Chem. Chem. Phys. Volume: 20 Pages: 25123-25139
  • DOI: 10.1039/C8CP04173C
  • Peer Reviewed
• [Journal Article] From Ionic Liquids to Solvate Ionic Liquids : Challenges and Opportunities for Next Generation Battery Electrolytes (2018)
  • Author(s): Masayoshi Watanabe, Kaoru Dokko, Kazuhide Ueno, Morgan L. Thomas
  • Journal Title: Bull. Chem. Soc. Jpn. Volume: 91 Pages: 1660-1682
  • DOI: 10.1246/bcsj.20180216
  • Peer Reviewed / Open Access
• [Journal Article] Photo/Thermoresponsive ABC Triblock Copolymer-Based Ion Gels : Photoinduced Structural Transitions (2018)
  • Author(s): Ryota Tamate, Ryoji Usui, Kei Hashimoto, Yuzo Kitazawa, Hisashi Kokubo, Masayoshi Watanabe
  • Journal Title: Soft Matter Volume: 14 Pages: 9088-9095
  • DOI: 10.1039/c8sm01578c
  • Peer Reviewed
• [Presentation] Symmetry and nonlinear responses in TMD nanostructures (2019)
  • Author(s): Yoshihiro Iwasa
  • Organizer: Hong Kong Forum of Physics 2018 : Recent Progress in Quantum Matter-Theories and Experiments
  • Int'l Joint Research / Invited
• [Presentation] Symmetry and properties of transition metal dichalcogenide nanostructures (2019)
  • Author(s): Yoshihiro Iwasa
  • Organizer: Winter school on 2D materials
  • Int'l Joint Research / Invited
• [Presentation] Berry Phase Controlled Optical Responses in 1D&2D Transition Metal Dichalcogenides (2019)
  • Author(s): Yoshihiro Iwasa
  • Organizer: 1and2DM2019 in Tokyo
  • Int'l Joint Research / Invited
• [Presentation] Ⅴセレン化物エピタキシャル薄膜の磁性Ⅱ (2019)
  • Author(s): 中野匡規, 吉田訓, M. S. Bahramy, 王越, 松岡秀樹, 真島裕貴, 大東祐汰, 柏原悠太, 坂野昌人, 石坂香子, 岩佐義宏
  • Organizer: 日本物理学会 第74回年次大会
• [Presentation] 分子線エピタキシー法で作製したⅤセレン化物薄膜の磁気特性Ⅱ (2019)
  • Author(s): 中野匡規, 吉田訓, Mohammad Saeed Bahramy, 王越, 松岡秀樹, 真島裕貴, 小濱芳允, 大東祐汰, 柏原悠太, 坂野昌人, 石坂香子, 岩佐義宏
  • Organizer: 第66回 応用物理学会 春季学術講演会
• [Presentation] Magnetic properties of vanadium selenide epitaxial thin films (2019)
  • Author(s): M. Nakano, S. Yoshida, M. S. Bahramy, Y. Wang, H. Matsuoka, Y. Majima, Y. Kohama, Y. Ohigashi, Y. Kashiwabara, M. Sakano, K. Ishizaka, Y. Iwasa
  • Organizer: The March Meeting 2019 of the American Physical Society
  • Int'l Joint Research
• [Presentation] 遷移金属カルコゲナイド超薄膜・ヘテロ構造の磁性と超伝導 (2019)
  • Author(s): 中野匡規
  • Organizer: 第8回 酸化物研究の新機軸に向けた学際討論会
  • Invited
• [Presentation] Nonlinear transport in engineered van der Waals crystals (2019)
  • Author(s): 井手上敏也
  • Organizer: 新学術領域研究「トボロジーが紡ぐ物質科学のフロンティア」第4回領域研究会
  • Invited
• [Presentation] ZrNC1電界誘起超伝導相における非相反超伝導輸送 (2019)
  • Author(s): 井手上敏也, 越川翔太, 板橋勇輝, 中川裕治, 岩佐義宏
  • Organizer: 日本物理学会 2019年 年次大会
• [Presentation] Nonreciprocal electrical transport in van der Waals crystals (2019)
  • Author(s): T. Ideue, Y. Iwasa
  • Organizer: APS March Meeting 2019
  • Int'l Joint Research
• [Presentation] Nonreciprocal transport in noncentrosymmetric van der Waals crystals (2019)
  • Author(s): T. Ideue, Y. Iwasa
  • Organizer: 2nd International Workshop on 2D Materials
  • Int'l Joint Research
• [Presentation] Diameter-Dependent Superconductivity in Individual WS2 Nanotubes. (2019)
  • Author(s): F. Qin, T. Ideue, W. Shi, X. - X. Zhang, M. Yoshida, A. Zak, R. Tenne, T. Kikitsu, D. Inoue, D. Hashizume & Y. Iwasa.
  • Organizer: The 56th Fullerenes-Nanotubes-Graphene General Symposium
• [Presentation] 層状反強磁性体を用いた磁性ヘテロ界面における光物性 (2019)
  • Author(s): 恩河大、杉田悠介、井手上敏也、中川裕治、鈴木龍二、求幸年、岩佐義宏
  • Organizer: 第66回 応用物理学会 春季学術講演会
• [Presentation] Optical properties of monolayer MoSe2/layered magnets heterostructures (2019)
  • Author(s): Masaru Onga, Yusuke Sugita, Toshiya Ideue, Yuji Nakagawa, Ryuji Suzuki, Yukitoshi Motome, Yoshihiro Iwasa
  • Organizer: APS March Meeting 2019
  • Int'l Joint Research
• [Presentation] イオンゲート法による超伝導制御とBCS-BECクロスオーバー (2019)
  • Author(s): 中川裕治
  • Organizer: 量子ビーム若手研究会/CMRCプロジェクト研究会 超伝導とその周辺物質に対する量子ビームの新展開
  • Invited
• [Presentation] Transport properties of van der Waals heterostructures based on two-dimensional magnet (2019)
  • Author(s): Hideki Matsuoka, Masaki Nakano. Yoshihiro Iwasa
  • Organizer: APS March Meeting
  • Int'l Joint Research
• [Presentation] 二次元磁性体を用いたファン・デア・ワールスヘテロ界面における磁気輸送特性 (2019)
  • Author(s): 松岡秀樹, 中野匡規, 岩佐義宏
  • Organizer: 第74回日本物理学会年次大会
• [Presentation] ファンデルワールス界面を利用した2次元強磁性体の磁気異方性制御 (2019)
  • Author(s): 松岡秀樹, 中野匡規, 岩佐義宏
  • Organizer: 第66回応用物理学会春季学術講演会
• [Presentation] Quantum and classical vortex ratchets in a trigonal superconductor (2019)
  • Author(s): Y. Itahashi, Y. Saito, S. Shimizu, T. Ideue, Y. Iwasa
  • Organizer: APS March Meeting
  • Int'l Joint Research
• [Presentation] MoTe2極性相における非相反伝導現象 (2019)
  • Author(s): 板橋勇輝、Frans Martin Mattsson、井手上敏也、岩佐義宏
  • Organizer: 第74回日本物理学会年次大会
• [Presentation] Van der Waals charge-transfer interfaces (2019)
  • Author(s): Y. Kashiwabara, M. Nakano, Y. Nakagawa, Y. Wang, H. Matsuoka, and Y. Iwasa
  • Organizer: The March Meeting 2019 of the American Physical Society
  • Int'l Joint Research
• [Presentation] Spin-Valley dependent optical response at monolayer transition metal dichalcogenide/ferrimagnet interface (2019)
  • Author(s): Takatoshi Akamatsu, Toshiya Ideue, Masaru Onga, Yuki Itahashi, Yuji Nakagawa, Yoshihiro Iwasa
  • Organizer: 2nd International Workshop on 2D Materials
  • Int'l Joint Research
• [Presentation] Spin-Valley dependent optical response at monolayer transition metal dichalcogenide/ferrimagnet interface (2019)
  • Author(s): Takatoshi Akamatsu, Toshiya Ideue, Masaru Onga, Yuki Itahashi, Yuji Nakagawa, Yoshihiro Iwasa
  • Organizer: APS March Meeting 2019
  • Int'l Joint Research
• [Presentation] Superconductivity in epitaxial TaSe2 thin films (2019)
  • Author(s): Yuki Tanaka, Hideki Matsuoka, Masaki Nakano, Yoshihiro Iwasa
  • Organizer: APS March meeting
  • Int'l Joint Research
• [Presentation] TaSe2エピタキシャル薄膜のMBE成長と輸送特性 (2019)
  • Author(s): 田中勇貴、松岡秀樹、中野匡規、岩佐義宏
  • Organizer: 第66回 応用物理学会春季学術講演会
• [Presentation] TaSe2エピタキシャル薄膜の輸送特性 (2019)
  • Author(s): 田中勇貴、松岡秀樹、中野匡規、岩佐義宏
  • Organizer: 第74回 日本物理学会年次大会
• [Presentation] The Roles of Crosslinking Ligands on Charge Carrier Transport in PbS Colloidal Quantum Dot Assemblies (2019)
  • Author(s): Ibuki Watanabe, Liming Liu, Satria Zulkarnaen Bisri, Ian Johnson, Yasuhiro Ishida, Jeremy Burroughes, Yoshihiro Iwasa
  • Organizer: 第66回 応用物理学会春季学術講演会
• [Presentation] Thinning-induced Metastable Superconductivity in Correlated 2D Material : 1T-IrTe2 (2019)
  • Author(s): Masaro Yoshida, Kazutaka Kudo, Minoru Nohara, Yoshihiro Iwasa
  • Organizer: APS March Meeting 2019
  • Int'l Joint Research
• [Presentation] Colloidal Semiconductor Quantum Dots and iontronics for Trillion Sensors Universe (2019)
  • Author(s): Satria Zulkarnaen Bisri
  • Organizer: 9th Annual Basic Science International Conference 2019, University of Brawijaya, Malang, Indonesia
  • Int'l Joint Research / Invited
• [Presentation] Carrier Doping and Assembly Control of Colloidal Quantum Dot Solids for Energy Harvesting Devices (2019)
  • Author(s): Satria Zulkarnaen Bisri
  • Organizer: The 66th Japan Society of Applied Physics Spring Meeting
  • Invited
• [Presentation] Assemblies of Colloidal Semiconductor Quantum Dots for Electronic Devices : Inorganic Materials with Organic Semiconductor Flavors (2019)
  • Author(s): Satria Zulkarnaen Bisri
  • Organizer: 1st International Conference on Polymer and Organic Materials Science (IPOMY), Yamagata University
  • Int'l Joint Research / Invited
• [Presentation] Enhanced Electron Transport in Core@Shell Colloidal Quantum Dot Assemblies (2019)
  • Author(s): Retno Miranti, Satria Zulkarnaen Bisri, Maria Ibanez, Maksym V. Kovalenko, Nobuhiro Matsushita, Yoshihiro Iwasa
  • Organizer: The 66th Japan Society of Applied Physics Spring Meeting
• [Presentation] Optical and Electronic Transport Properties of Solvent Mediated Self-Assembly of Lead Sulfide Nanocrystals (2019)
  • Author(s): Liming Liu, Satria Bisri, Yasuhiro Ishida, Yoshihiro Iwasa, Takuzo Aida
  • Organizer: The 66th Japan Society of Applied Physics Spring Meeting
• [Presentation] The Roles of Crosslinking Ligands on Charge Carrier Transport in PbS Colloidal Quantum Dot Assemblies (2019)
  • Author(s): Ibuki Watanabe, Liming Liu, Satria Zulkarnaen Bisri, Ian Johnson, Yasuhiro Ishida, Jeremy Burroughes, Yoshihiro Iwasa
  • Organizer: The 66th Japan Society of Applied Physics Spring Meeting
• [Presentation] On-Demand Electrical Properties of Building-Block Quantum Dots Solid by Assembly Control (2019)
  • Author(s): Ricky Dwi Septianto, Liming Liu, Satria Zulkarnaen Bisri, Yasuhiro Ishida, Ferry Iskandar, Nobuhiro Matsushita, Yoshihiro Iwasa
  • Organizer: The 66th Japan Society of Applied Physics Spring Meeting
• [Presentation] Enhanced Seebeck effect in ion-gated FeSe (2019)
  • Author(s): S. Shimizu, J. Shiogai, N. Takemori, S, Shiro, H. Ikeda, R. Arita, T. Nojima, A. Tsukazaki, Y. Iwasa
  • Organizer: APS March Meeting 2019
• [Presentation] Possible valence skipping superconductivity in doped Dirac metal (2019)
  • Author(s): Teppei Ueno, Takanori Wakita, Tetsuya Furukawa, Tetsuaki Itou, Takayoshi Yokoya, Jun Akimitsu, Kaya Kobayashi
  • Organizer: APS March Meeting 2019
  • Int'l Joint Research
• [Presentation] インターカレートされた層状化合物PdTe2の超伝導 (2019)
  • Author(s): 井手杏人, 秋光純, 小林夏野
  • Organizer: 日本物理学会第74回年次大会(2019年)
• [Presentation] μSR法を用いたSr2-xLaxIr04の磁気相図の決定 (2019)
  • Author(s): 町田一樹, 堀金和正, 藤井政徳, 岡部博孝, 小林夏野, 堀江理恵, 石井啓文, 久保園芳博, 幸田章宏, 門野良典, 秋光純
  • Organizer: 日本物理学会第74回年次大会(2019年)
• [Presentation] 高圧合成法を用いたアルカリ金属を含む新規超伝導体の探索及び物性評価 (2019)
  • Author(s): 内和也, 堀金和正, 堀江理恵, 小林夏野, 村中隆弘, 磯部雅朗, 秋光純
  • Organizer: 日本物理学会第74回年次大会(2019年)
• [Presentation] 新規超伝導体開発に向けたSr2-xLaxIr04の光電子ホログラフィーによる原子サイト解析 (2019)
  • Author(s): 堀江理恵, 室隆桂之, 松下智裕, 深見駿, 角田了, 松田博之, 富本晃吉, 堀金和正, 小林夏野, 春山雄一, 大門寛, 秋光純
  • Organizer: 日本物理学会第74回年次大会(2019年)
• [Presentation] μSR法を用いたSr2-xLaxIr04の磁気相図の決定 (2019)
  • Author(s): 町田一樹、堀金和正、藤井政徳、岡部博孝、小林夏野、堀江理恵、石井博文、久保園芳博、幸田章宏、門野良典、秋光純
  • Organizer: 2018年度量子ビームサイエンスフェスタ
• [Presentation] ホールドーフ系超伝導体Cal-xNaxFe2As2における磁気励起 (2019)
  • Author(s): 堀金和正、中野将太郎、木方邦宏、梶本亮一、池内和彦、秋光純、李哲虎
  • Organizer: 2018年度量子ビームサイエンスフェスタ
• [Presentation] 光電子ホログラフィーによるSr2-xLaxIr04の原子サイト解析 (2019)
  • Author(s): 角田了、堀江理恵、室隆桂之、松下智裕、深見駿、松田博之、堀金和正、小林夏野、春山雄一、大門寛、秋光純
  • Organizer: 2018年度量子ビームサイエンスフェスタ
• [Presentation] High-Tc superconductivity in FeSe electric-double-layer transistor (2019)
  • Author(s): Atsushi Tsukazaki
  • Organizer: The 8th Indo-Japan Seminar [Designing Emergenet Materials]
  • Int'l Joint Research / Invited
• [Presentation] Functional devices based on electrochemically doped polymer films (2019)
  • Author(s): Taishi Takenobu
  • Organizer: IPOMY (The First International Conference of Polymeric and Organic Materials in Yamagata University)
  • Int'l Joint Research / Invited
• [Presentation] 遷移金属ダイカルコゲナイド単層膜を用いた発光素子 (2019)
  • Author(s): 竹延 大志
  • Organizer: 第56回フラーレン・ナノチューブ・グラフェン総合シンポジウム
  • Invited
• [Presentation] Van der Waals材料における熱電特性 (2019)
  • Author(s): 竹延 大志
  • Organizer: 第66回応用物理学会春季学術講演会
  • Invited
• [Presentation] Near-infrared light-emitting electrochemical cells based on host-guest systen (2019)
  • Author(s): N. Tomonori, K. Matsuki, K. Tanaka, M. Takekoshi, M. Kondo, C. Wang, T. Sakanoue, F. Yonekawa, A. Fukazawa, S. Yamaguchi, and T. Takenobu
  • Organizer: IPOMY (The First International Conference of Polymeric and Organic Materials in Yamagata University)
  • Int'l Joint Research
• [Presentation] Light-Emitting Electrochemical Cells with Novel Device Structure (2019)
  • Author(s): Y. Tanaka, K. Matsuki, F. Yonekawa, and T. Takenobu
  • Organizer: IPOMY (The First International Conference of Polymeric and Organic Materials in Yamagata University)
  • Int'l Joint Research
• [Presentation] 電解質を用いた原子層発光素子の発光特性 (2019)
  • Author(s): 蒲江、松岡拓史、Juliette Tempia、小林佑、宮田耕充、Chang-Hsiao Chen、Lain-Jong Li、竹延大志
  • Organizer: 日本物理学会第74回年次大会
• [Presentation] フランを含むドナー・アクセプタ型共役高分子におけるキャリアダイナミクス (2019)
  • Author(s): 田中 久暁、河村 真也、下位 幸弘、Prashant Sonar、竹延 大志
  • Organizer: 日本物理学会第74回年次大会
• [Presentation] Exciton polarizability and renormalization effects for optical modulation in monolayer semiconductors (2019)
  • Author(s): J. Pu, K. Matsuki, L. Chu, Y. Koayashi, S. Sasaki, Y. Miyata, G. Eda, and T. Takenobu
  • Organizer: 第56回フラーレン・ナノチューブ・グラフェン総合シンポジウム
• [Presentation] 導電性高分子のフェルミレベル制御と熱電変換特性 (2019)
  • Author(s): 金橋 魁利、竹腰 直哉、中嶋 大志、Yong-Young Noh、太田 裕道、田中 久暁、竹延 大志
  • Organizer: 日本物理学会第74回年次大会
• [Presentation] Enhanced Coupling and Reduced Dimensions in the Dilutely Intercalated Superconductors Accessed by Ionic Gating (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: The 6th International Conference on Superconductivity and Magnetism-ICSM2018
  • Int'l Joint Research / Invited
• [Presentation] Gate-tuned superconductivity in (Zr, Hf)NC1 toward BCS-BEC crossover (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: Quantum Complex Matter 2018
  • Int'l Joint Research / Invited
• [Presentation] Superconductivity in 2D Materials (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: International Conference on Science and Technology of Synthetic Metals 2018 (ICSM 2018)
  • Int'l Joint Research / Invited
• [Presentation] Transition metal dichalcogenide nanotubes (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: 7th Workshop on Nanotube Optics and Nanospectroscopy (WONTON 2018)
  • Int'l Joint Research / Invited
• [Presentation] Superconductivity and spin-valley locking in TMDs (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: International Conference on Magnetism 2018 (ICM2018)
  • Int'l Joint Research / Invited
• [Presentation] Gate-tuned superconductivity toward BCS-BEC crossover (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: The 12th International Conference on Ceramic Materials and Components for Energy and Environmental Applications (CMCEE 2018)
  • Int'l Joint Research / Invited
• [Presentation] Quantum phase transitions in gate-induced 2D superconductivity (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: 12th International Conference on materials and Mechanisms of superconductivity and High Temperature Superconductors
  • Int'l Joint Research / Invited
• [Presentation] Gate-Control of Thermoelectric Performances in 2D Materials (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: FET International Workshop 2018
  • Int'l Joint Research / Invited
• [Presentation] Superconductivity in 2D Materials and beyond (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: Flatlands Beyond Graphene 2018
  • Int'l Joint Research / Invited
• [Presentation] Symmetry Controlled Optical Properties in TMD Nanostructures (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: RECENT PROGRESS in GRAPHENE & 2D MATERIALS RESEARCH
  • Int'l Joint Research / Invited
• [Presentation] Electrochemical Interfaces forNewPhysical Phenomena (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: The 8th TOYOTA RIKEN International Workshop on Organic Semiconductors, Conductors, and Electronics
  • Int'l Joint Research / Invited
• [Presentation] Giant thermoelectric power factor in monolayer FeSe superconductor (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: First International Workshop on 2D Materials
  • Int'l Joint Research / Invited
• [Presentation] Rolling transition metal dichalcogenides to nanotubes. (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: 3rd Japan-EU Flagship Workshop on Graphene and Related 2D Materials
  • Int'l Joint Research / Invited
• [Presentation] Vortex dynamics in Noncentrosymmetric 2D Superconductors (2018)
  • Author(s): Yoshihiro Iwasa
  • Organizer: the 31st International Symposium on Superconductivity (ISS2018)
  • Int'l Joint Research / Invited
• [Presentation] MBE-grown transition-metal dichalcogenide ultrathin films and heterostructures : superconductivity, ferromagnetism, and interface transport phenomena (2018)
  • Author(s): M. Nakano, Y. Iwasa
  • Organizer: 2018 Materials Research Society Fall Meeting
  • Int'l Joint Research / Invited
• [Presentation] 分子線エピタキシー法で作製したⅤセレン化物薄膜の磁気特性 (2018)
  • Author(s): 中野匡規, 吉田訓, M. S. Bahramy, 王越, 松岡秀樹, 真島裕貴, 大東祐汰, 柏原悠太, 坂野昌人, 石坂香子, 岩佐義宏
  • Organizer: 第79回 応用物理学会 秋季学術講演会
• [Presentation] Ⅴセレン化物エピタキシャル薄膜の磁性 (2018)
  • Author(s): 中野匡規, 吉田訓, M. S. Bahramy, 王越, 松岡秀樹, 真島裕貴, 大東祐汰, 柏原悠太, 坂野昌人, 石坂香子, 岩佐義宏
  • Organizer: 日本物理学会 2018年秋季大会
• [Presentation] Thermal Hall effect in magnetic insulators (2018)
  • Author(s): Toshiya Ideue
  • Organizer: The 16th International Conference on Phonon Scattering in Condensed Matter (Phonons 2018) & The 4th International Conference on Phononics and Thermal Energy Science (PTES2016)
  • Int'l Joint Research / Invited
• [Presentation] 二次元遷移金属ダイカルコゲナイドにおけるスピン・バレー輸送 (2018)
  • Author(s): 井手上敏也, 岩佐義宏
  • Organizer: 第79回 応用物理学会秋季学術講演会
  • Invited
• [Presentation] Topological aspects of nonlinear transport in van der Waals crystals (2018)
  • Author(s): Toshiya Ideue
  • Organizer: The 2nd TMS-PKU Alliance Workshop on Topological Materials and Quantum Materials, International Center For Quantum Material
  • Int'l Joint Research / Invited
• [Presentation] Emergent optical responses in transition metal dichalcogenides nanocrystals (2018)
  • Author(s): Toshiya Ideue
  • Organizer: EMN Meeting on Photonics 2018
  • Int'l Joint Research / Invited
• [Presentation] 空間反転対称性の破れたPbTaSe2における非相反超伝導輸送 (2018)
  • Author(s): 井手上敏也, 越川翔太, 並木宏允, 笹川崇男, 岩佐義宏
  • Organizer: 日本物理学会 2018年 秋季大会
• [Presentation] Nonreciprocal charge transport in a polar van der Waals crystal BiTeBr (2018)
  • Author(s): T. Ideue, Koshikawa, K. Hamamoto, M. Ezawa, Y. Kaneko, S. Shimizu, Y. Tokura, N. Nagaosa, Y. Iwasa
  • Organizer: First International Workshop on 2D Materials
  • Int'l Joint Research
• [Presentation] 層状物質を用いた磁性ヘテロ界面における光物性 (2018)
  • Author(s): 恩河大、杉田悠介、井手上敏也、中川裕治、鈴木龍二、求幸年、岩佐義宏
  • Organizer: 日本物理学会2018年秋季大会
• [Presentation] Exction Hall effect in monolayer transition metal dichalcogenides (2018)
  • Author(s): Masaru Onga, Yijin Zhang, Toshiya Ideue, Yoshihiro Iwasa
  • Organizer: First International Workshop on 2D materials
  • Int'l Joint Research
• [Presentation] 遷移金属カルコゲナイド電荷移動界面の輸送特性Ⅱ (2018)
  • Author(s): 中川裕治, 柏原悠太, 鈴木龍二, 中野匡規, 岩佐義宏
  • Organizer: 日本物理学会2018年秋季大会
• [Presentation] Strong enhancement of ferromagnetism and giant magnetoresistance in Fe delta-doped InAs thin films (2018)
  • Author(s): Le Duc Anh, Taiki Hayakawa, Yuji Nakagawa, Yoshihiro Iwasa, and Masaaki Tanaka
  • Organizer: 10th International School and Conference on Physics and Applications of Spin Phenomena in Solids (PASPS10)
  • Int'l Joint Research
• [Presentation] Gate-controlled layered superconductors toward BCS-BEC crossover (2018)
  • Author(s): Y. Nakagawa, Y. Saito, T. Nojima, K. Inumaru, S. Yamanaka, Y. Kasahara, and Y. Iwasa
  • Organizer: 1st International Workshop on 2D Materials
  • Int'l Joint Research
• [Presentation] Gate-controlled low carrier density 2D superconductors toward BCS-BEC crossover (2018)
  • Author(s): Y. Nakagawa, Y. Saito, T. Nojima, K. Inumaru, S. Yamanaka, Y. Kasahara, and Y. Iwasa
  • Organizer: The 12th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-2018)
  • Int'l Joint Research
• [Presentation] Epitaxial growth and structural properties of vanadium selenide epitaxial thin films. (2018)
  • Author(s): Yue Wang, Masaki Nakano, Satoshi Yoshida, Mohammad Saeed Bahramy, Hideki Matsuoka, Yuki Majima, Yuta Ohigashi, Yuta Kashiwabara, Masato Sakano, Kyoko Ishizaka, Yoshihiro Iwasa
  • Organizer: 2018年度 日本物理学会 秋季大会
• [Presentation] Evolution of electronic properties of ultrathin TiSe2 epitaxial films by interfacial carrier doping (2018)
  • Author(s): Yue Wang, Masaki Nakano, Hideki Matsuoka, Yuta Kashiwabara, Yoshihiro Iwasa
  • Organizer: 2018年度 日本物理学会 秋季大会
• [Presentation] Growth and structural characterization of vanadium selenide thin films grown by molecular-beam epitaxy (2018)
  • Author(s): Yue Wang, Masaki Nakano, Satoshi Yoshida, Mohammad Saeed Bahramy, Hideki Matsuoka, Yuki Majima, Yuta Ohigashi, Yuta Kashiwabara, Masato Sakano, Kyoko Ishizaka, Yoshihiro Iwasa
  • Organizer: 2018年度 応用物理学会 秋季講演会
• [Presentation] NbSe2エピタキシャル超薄膜における二次元超伝導特性 (2018)
  • Author(s): 松岡秀樹, 中野匡規, 小濱芳允, 王越, 柏原悠太, 吉田訓, 松井一樹, 下起敬史, 大内拓, 石坂香子, 野島勉, 川﨑雅司, 岩佐義宏
  • Organizer: 2018年度 日本物理学会 秋季大会
• [Presentation] 分子線エピタキシー法によるNbSe2超薄膜の作製と二次元超伝導物性 (2018)
  • Author(s): 松岡秀樹, 中野匡規, 小濱芳允, 王越, 柏原悠太, 吉田訓, 松井一樹, 下起敬史, 大内拓, 石坂香子, 野島勉, 川﨑雅司, 岩佐義宏
  • Organizer: 第79回応用物理学会秋季学術講演会
• [Presentation] Two-dimensional superconductivity in NbSe2 epitaxial thin films grown by molecular-beam epitaxy. (2018)
  • Author(s): H. Matsuoka, M. Nakano, Y. Kohama, Y. Wang, Y. Kashiwabara, S. Yoshida, K. Matsui, T. Shitaokoshi, T. Ouchi, K. Ishizaka, T. Nojima, M. Kawasaki, Y. Iwasa
  • Organizer: First International Workshop on 2D Materials
  • Int'l Joint Research
• [Presentation] Nonreciprocal Transport by Vortex Ratchet Motion in 2D Superconducting MoS2 (2018)
  • Author(s): Yuki Itahashi, Yu Saito, Toshiya Ideue, Tsutomu Nojima, Yoshihiro Iwasa
  • Organizer: 12th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors
  • Int'l Joint Research
• [Presentation] SrTiO3電界誘起超伝導における非相反伝導現象 (2018)
  • Author(s): 板橋勇輝、斎藤優、清水直、井手上敏也、岩佐義宏
  • Organizer: 2018年度 日本物理学会 秋季大会
• [Presentation] MoS2電界誘起超伝導における非相反伝導現象 (2018)
  • Author(s): 板橋勇輝、斎藤優、井手上敏也、野島勉、岩佐義宏
  • Organizer: 2018年度 日本物理学会 秋季大会
• [Presentation] 電界誘起2次元超伝導SrTiO3における非相反伝導現象 (2018)
  • Author(s): 板橋勇輝、斎藤優、清水直、井手上敏也、岩佐義宏
  • Organizer: 渦糸物理国内会議
• [Presentation] 遷移金属カルコゲナイド電荷移動界面の輸送特性 (2018)
  • Author(s): 柏原悠太, 中野匡規, 王越, 松岡秀樹, 岩佐義宏
  • Organizer: 日本物理学会 2018年秋季大会
• [Presentation] 単層遷移金属ダイカルコゲナイド/Fe304界面におけるスピン・バレー依存光応答 (2018)
  • Author(s): 赤松孝俊、井手上敏也、恩河大、板橋勇輝、中川裕治、岩佐義宏
  • Organizer: 日本物理学会2018年秋季大会
• [Presentation] 分子線エピタキシー法を用いたTaSe2超薄膜の作製 (2018)
  • Author(s): 田中勇貴、松岡秀樹、中野匡規、岩佐義宏
  • Organizer: 第79回 応用物理学会秋季学術講演会
• [Presentation] 1T-TaS2二次元結晶デバイスにおける電圧ノイズ測定 (2018)
  • Author(s): 吉田将郎, 佐藤拓朗, 賀川史敬, 岩佐義宏
  • Organizer: 日本物理学会2018年秋季大会
• [Presentation] 2D material devices as lab-on-a-chip to explore novel states of matter (2018)
  • Author(s): Masaro Yoshida
  • Organizer: 4th International Conference on Two-Dimensional Materials and Technologies (ICON-2DMAT 2018)
  • Int'l Joint Research / Invited
• [Presentation] Explore metastable hidden states in 2D material device : CIPT in 2D 1T-TaS2 (2018)
  • Author(s): Masaro Yoshida
  • Organizer: First International Workshop on 2D Materials
  • Int'l Joint Research
• [Presentation] Doping for Electronic Transport in Colloidal Semiconductor Quantum Dot Assemblies (2018)
  • Author(s): Satria Zulkarnaen Bisri
  • Organizer: International Conference on Emerging Advanced Nanomaterials (ICEAN), University of Newcastle, Australia
  • Int'l Joint Research / Invited
• [Presentation] Iontronics for Nanomaterials (2018)
  • Author(s): Satria Zulkarnaen Bisri
  • Organizer: 2nd International Conference on Innovation in Education, Science and Culture. State University of Medan, Indonesia
  • Int'l Joint Research / Invited
• [Presentation] Colloidal Semiconductor Nanocrystals Research : Materials Science and Computational Aspects (2018)
  • Author(s): Satria Zulkarnaen Bisri
  • Organizer: World Class Scholar Symposium 2018, Ministry of Research, Technology and Higher Education for Republic of Indonesia
  • Int'l Joint Research / Invited
• [Presentation] Electron Transport in Core/Shell Colloidal Semiconductor Nanocrystal Assemblies (2018)
  • Author(s): Retno Miranti, Satria Zulkarnaen Bisri, Maria Ibanez, Maksym V. Kovalenko, Nobuhiro Matsushita, Yoshihiro Iwasa
  • Organizer: 28th Annual Meeting of MRS-J
• [Presentation] Low thermal Conductivity of Colloidal Quantum Dot Assemblies for Thermoelectric (2018)
  • Author(s): Satria Zulkarnaen Bisri, Maria Ibanez, Ricky Dwi Septianto, Maksym Kovalenko, Yoshihiro Iwasa
  • Organizer: The 79th Japan Society of Applied Physics (JSAP) Autumn Meeting
• [Presentation] Morphology Control of Colloidal Quantum Dots Assembly and Its Implication towards Electronic Transport (2018)
  • Author(s): Ricky Dwi Septianto, Satria Zulkarnaen Bisri, Liming Liu, Yasuhiro Ishida, Takuzo Aida, Maksym Kovalenko, Ferry Iskandar, Yoshihiro Iwasa
  • Organizer: 3rd Materials Research Society of Indonesia (MRS-ID) Meetings
  • Int'l Joint Research
• [Presentation] Field-Induced Doping in Colloidal Quantum Dot Assemblies : Degeneracy of Electronic States and Its Applications for Energy Harvesting (2018)
  • Author(s): Satria Zulkarnaen Bisri, Maria Ibanez, Liming Liu, Yasuhiro Ishida, Takuzo Aida, Maksym V. Kovalenko, Yoshihiro Iwasa
  • Organizer: Gordon Research Conference on Colloidal Semiconductor Nanocrystals 2018, Bryant University, Rhode Island, USA
  • Int'l Joint Research
• [Presentation] Solvent-Mediated Self-Assembly of PbS Nanocrystals (2018)
  • Author(s): Liming Liu, Satria Zulkarnaen Bisri, Yasuhiro Ishida, Yoshihiro Iwasa, Takuzo Aida
  • Organizer: Gordon Research Conference on Colloidal Semiconductor Nanocrystals 2018
  • Int'l Joint Research
• [Presentation] Degeneracy of Discrete Electronic States in Colloidal Quantum Dots for Thermoelectric Devices (2018)
  • Author(s): Satria Zulkarnaen Bisri, Maria Ibanez, Maksym V. Kovalenko, Yoshihiro Iwasa
  • Organizer: The 10th International Conference on Quantum Dots (QD2018)
  • Int'l Joint Research
• [Presentation] On-Demand Control of Colloidal Quantum Dot Solids Thin-Film Formations and Their Electronic Transport Properties (2018)
  • Author(s): Ricky Dwi Septianto, Liming Liu, Satria Zulkarnaen Bisri, Yasuhiro Ishida, Ferry Iskandar, Yoshihiro Iwasa
  • Organizer: The 10th International Conference on Quantum Dots (QD2018)
  • Int'l Joint Research
• [Presentation] Electric field control of thermoelectric properties in layered two dimensional materials (2018)
  • Author(s): Sunao Shimizu
  • Organizer: 3rd EU-Japan Workshop on Graphene and Related 2D Materials
  • Int'l Joint Research / Invited
• [Presentation] Trial to Carrier-doping in Sr2Ir04/Ba2Ir04 (2018)
  • Author(s): Jun Akimitsu
  • Organizer: E-MRS Fall Meeting 2018
  • Int'l Joint Research / Invited
• [Presentation] 超伝導とは何だろう?-新超伝導体を見つける喜びと苦しみ- (2018)
  • Author(s): 秋光 純
  • Organizer: 明治大学 科学技術研究所 公開講演会『超伝導 : リニアモーターカーから中性子星まで』
  • Invited
• [Presentation] 超伝導をめぐる話題 -最近の研究- (2018)
  • Author(s): 秋光 純
  • Organizer: 研究会「Chiral磁性温故知新」
  • Invited
• [Presentation] Superconductivity in doped layered chalcogenides (2018)
  • Author(s): Kaya Kobayashi
  • Organizer: E-MRS Fall meeting 2018
  • Int'l Joint Research / Invited
• [Presentation] Chemical doping and superconductivity in bismuth compounds (2018)
  • Author(s): Kaya Kobayashi, Teppei Ueno, Takeshi Takahashi, Sana Sasakura, Ando Ide, Hirokazu Fujiwara, Takayoshi Yokoya, Harald O. Jeschke, and J. Akimitsu
  • Organizer: International workshop on j-fermion physics and materials
  • Int'l Joint Research
• [Presentation] Carrier-doping in Sr2Ir04/Ba2Ir04 (2018)
  • Author(s): Jun Akimitsu
  • Organizer: International workshop on j-fermion physics and materials
  • Int'l Joint Research
• [Presentation] Superconductivity in trilayer (PbSe)n(TiSe2)m misfit compound (2018)
  • Author(s): T. Ueno, J. Akimitsu, Kaya Kobayashi
  • Organizer: J-Physics : 2018 International workshop
  • Int'l Joint Research
• [Presentation] 遷移金属ダイカルコゲナイドTaSe2の多形と超伝導 (2018)
  • Author(s): 笹倉颯凪, 秋光純, 久保園芳博, 小林夏野
  • Organizer: 日本物理学会2018年秋季大会
• [Presentation] ラーベス相Au化合物の超伝導 (2018)
  • Author(s): 高橋武士, Harald O, Jeschke, 秋光純, 小林夏野
  • Organizer: 日本物理学会2018年秋季大会
• [Presentation] 高圧合成法を用いたアルカリ金属を含む新規超伝導体の探索及び物性評価 (2018)
  • Author(s): 竹内和也、堀金和正、堀江理恵、小林夏野、磯部雅朗、秋光純
  • Organizer: 2018年日本化学会中国四国支部大会
• [Presentation] μSR法を用いたSr2-xLaxIr04の磁気相図の決定 (2018)
  • Author(s): 町田一樹、堀金和正、藤井政徳、岡部博孝、小林夏野、堀江理恵、石井啓文、久保園芳博、幸田章宏、門野良典、秋光純
  • Organizer: 2018年日本化学会中国四国支部大会
• [Presentation] セレン化鉄および関連化合物の薄膜作製と物性評価 (2018)
  • Author(s): 藤原宏平
  • Organizer: 応用物理学会結晶工学分科会 第148回研究会
  • Invited
• [Presentation] FeSe原子層高温超伝導体における臨界バラメータの増大 (2018)
  • Author(s): 野島勉
  • Organizer: 基研研究会「電子相関が生み出す新規な秩序と超伝導現象 : トポロジー、液晶状態、動的現象」
  • Invited
• [Presentation] Superconducting Properties of Ultrathin FeSe Films on Oxide Substrates (2018)
  • Author(s): T. Nojima
  • Organizer: CIMTEC2018
  • Int'l Joint Research / Invited
• [Presentation] 電気化学エッチング法で実現したFeSe極薄膜における超伝導性の膜厚依存性 (2018)
  • Author(s): 塩貝純一
  • Organizer: 鉄系高温超伝導体発見10周年記念合同シンポジウム(ポスター)
  • Invited
• [Presentation] Microfabrication of functional thin films using LaA103/BaOx water-soluble sacrificial templates (2018)
  • Author(s): T. Harada
  • Organizer: KIST-KINKEN symposium
  • Int'l Joint Research / Invited
• [Presentation] 薄膜合成と界面制御による酸化物トランジスタの機能向上 (2018)
  • Author(s): 藤原宏平
  • Organizer: 日本セラミックス協会第31回秋季シンポジウム
  • Invited
• [Presentation] FeSe超伝導電気二重層トランジスタの異方的臨界磁場とその膜厚依存性 (2018)
  • Author(s): 野島勉
  • Organizer: 日本物理学会秋季大会
• [Presentation] Functional devices based on electrochemically doped polymer films (2018)
  • Author(s): Taishi Takenobu
  • Organizer: 2018 MRS Spring Meeting & Exhibit
  • Int'l Joint Research / Invited
• [Presentation] Electrochemically doped light-emitting devices of transition metal dichalcogenide monolayers (2018)
  • Author(s): Taishi Takenobu
  • Organizer: WONTON 2018
  • Int'l Joint Research / Invited
• [Presentation] Light-Emitting Electrochemical Cells for Semiconductor Lasers (2018)
  • Author(s): Taishi Takenobu
  • Organizer: IUMRS-ICEM 2018
  • Int'l Joint Research / Invited
• [Presentation] Highly functional devices of atomically thin materials (2018)
  • Author(s): Taishi Takenobu
  • Organizer: KJF-ICOMEP 2018
  • Int'l Joint Research / Invited
• [Presentation] Electroluminescence from transition metal dichalcogenide monolayers (2018)
  • Author(s): Taishi Takenobu
  • Organizer: The 2018 E-MRS Fall Meeting and Exhibit
  • Int'l Joint Research / Invited
• [Presentation] Functional devices based on electrochemically doped polymer films (2018)
  • Author(s): Taishi Takenobu
  • Organizer: 2018 Annual Fall Meeting of the Polymer Society of Korea
  • Int'l Joint Research / Invited
• [Presentation] Electrochemically Doped Light-Emitting Devices of Transition Metal Dichalcogenide Monolayers (2018)
  • Author(s): Taishi Takenobu
  • Organizer: RPGR 2018
  • Int'l Joint Research / Invited
• [Presentation] Thermoelectric properties of van der Waals materials (2018)
  • Author(s): Taishi Takenobu
  • Organizer: TCTFN 2018
  • Int'l Joint Research / Invited
• [Presentation] 高分子材料におけるコヒーレント伝導と新機能 (2018)
  • Author(s): 竹延 大志
  • Organizer: 2018年第79回応用物理学会秋季学術講演会
  • Invited
• [Presentation] Electrochemically doped light-emitting devices of transition metal dichalcogenide monolayers (2018)
  • Author(s): 竹延 大志
  • Organizer: 2018年第79回応用物理学会秋季学術講演会(JSAP-OSA Joint Symposia 2018)
  • Invited
• [Presentation] Recent progress in organic light-emitting devices (2018)
  • Author(s): 竹延 大志
  • Organizer: 2018年第79回応用物理学会秋季学術講演会
  • Invited
• [Presentation] CVD合成した原子層材料の機能化 (2018)
  • Author(s): 竹延 大志
  • Organizer: 第68回CVD研究会
  • Invited
• [Presentation] taneous Band-Filling and Band-Width Control of BEDT-TTF Salts by Electric Double Layer Transistor under Pressure (2018)
  • Author(s): H. Ito, Y. Tsuboi, Y. Eura, Y. Edagawa, T. Takenobu, T. Hiramatsu, Y. Yoshida, G. Saito, H. Akutsu, H. M. Yamamoto, Y. Kawasugi, and Reizo Kato
  • Organizer: ICCC 2018
  • Int'l Joint Research
• [Presentation] Direct Electroluminescence Imaging of Transition Metal Dichalcogenides (2018)
  • Author(s): J. Pu, W. Zhang, Y. Kobayashi, Y. Takaguchi, Y. Miyata, L. -J. Li, K. Matsuda, Y. Miyauchi, and T. Takenobu
  • Organizer: SSDM 2018
  • Int'l Joint Research
• [Presentation] Room Temperature Valley Polarized Light-Emitting Diodes of Monolayer Transition Metal Dichalcogenides (2018)
  • Author(s): J. Pu, W. Zhang, Y. Kobayashi, Y. Takaguchi, Y. Miyata, K. Matsuda, Y. Miyauchi, and T. Takenobu
  • Organizer: RPGR 2018
  • Int'l Joint Research
• [Presentation] Room Temperature Valley Polarized Light-Emitting Diodes of Monolayer Transition Metal Dichalcogenides (2018)
  • Author(s): J. Pu, W. Zhang, Y. Kobayashi, Y. Takaguchi, Y. Miyata, K. Matsuda, Y. Miyauchi, and T. Takenobu
  • Organizer: MNC 2018
  • Int'l Joint Research
• [Presentation] Monolayer WSe2-MoS2 Lateral Heterojunction Light-Emitting Diodes (2018)
  • Author(s): J. Pu, M. -Y. Li, J. -K. Huang, Y. Miyauchi, K. Matsuda, L. -J. Li, and T. Takenobu
  • Organizer: WONTON 2018
  • Int'l Joint Research
• [Presentation] Thermoelectric Properties of Organic Donor-Acceptor Copolymers Investigated by Electrolyte Gating (2018)
  • Author(s): K. Kanahashi, N. Takekoshi, H. Isoai, Y. -Y. Noh, H. Ohta, H. Tanaka, and T. Takenobu
  • Organizer: KJF-ICOMEP 2018
  • Int'l Joint Research
• [Presentation] Simultaneous Band-Filling and Band-Width Control on a Spin Liquid Candidate Mott Insulator by Electric Double Layer Transistor under Pressure (2018)
  • Author(s): H. Ito, Y. Tsuboi, Y. Eura, T. Takenobu, T. Hiramatsu, Y. Yoshida, and G. Saito
  • Organizer: The 8th TOYOTA RIKEN International Workshop
  • Int'l Joint Research
• [Presentation] lectronic and thermoelectric properties of highly-doped conducting polymer PBTTT in ionic-liquid-gated transistors (2018)
  • Author(s): H. Tanaka, N. Takekoshi, K. Kanahashi, H. Ohta, H. Ito, and T. Takenobu
  • Organizer: TCTFN 2018
  • Int'l Joint Research
• [Presentation] Electronic and Thermoelectric Devices of CVD-grown Two-Dimensional Transition Metal Dichalcogenides (2018)
  • Author(s): J. Pu, K. Kanahashi, N. T. Cuong, C. -H. Chen, L. -J. Li, S. Okada, H. Ohta, and T. Takenobu
  • Organizer: TCTFN 2018
  • Int'l Joint Research
• [Presentation] Thermoelectric Properties of Organic Donor-Acceptor Copolymers Investigated by Electrolyte Gating (2018)
  • Author(s): K. Kanahashi, Y. -Y. Noh, H. Ohta, H. Tanaka, and T. Takenobu
  • Organizer: TCTFN 2018
  • Int'l Joint Research
• [Presentation] Gate-Tuned High Thermoelectric Power Factors in Large-Area Graphene Films on a Flexible Plastic Substrate (2018)
  • Author(s): K. Kanahashi, M. Ishihara, M. Hasegawa, H. Ohta, and T. Takenobu
  • Organizer: TCTFN 2018
  • Int'l Joint Research
• [Presentation] Thermoelectric properties of conducting polymer P3HT in electrolyte-gated transistors (2018)
  • Author(s): D. Nakajima, H. Isoai, K. Kanahashi, H. Tanaka, H. Ohta, and T. Takenobu
  • Organizer: TCTFN 2018
  • Int'l Joint Research
• [Presentation] Direct Electroluminescence Imaging of Polycrystalline Monolayer Transition Metal Dichalcogenide Light-emitting Devices (2018)
  • Author(s): H. Matsuoka, J. Tempia, T. Yamada, T. Ogura, L. -J. Li, T. Sakanoue, J. Pu and T. Takenobu
  • Organizer: MNC 2018
  • Int'l Joint Research
• [Presentation] 電解質ゲート下での導電性高分子の金属絶縁体転移近傍での伝導機構 (2018)
  • Author(s): 伊東 裕、馬田 裕章、田中 久暁、黒田 新一、竹延 大志
  • Organizer: 2018年第79回応用物理学会秋季学術講演会
• [Presentation] Light-Emitting Electrochemical cellの高機能化 (2018)
  • Author(s): 平井 智章、張 亭午、松木 啓一郎、坂上 知、竹延 大志
  • Organizer: レーザー学会第528回研究会「有機固体レーザー」
• [Presentation] Universality in Transition Metal Dichalcogenide Light-Emitting Devices (2018)
  • Author(s): 松岡 拓史、Juliette Tempia、山田 知之、小椋 友寛、Lain-Jong Li、坂上 知、蒲 江、竹延 大志
  • Organizer: 第55回フラーレン・ナノチューブ・グラフェン総合シンポジウム
• [Presentation] 化学気相成長によるInS及びInSeを用いた電気二重層トランジスタ (2018)
  • Author(s): 蒲 江, Han-Ching Chang, Chien-Liang Tu, Kuang-I Lin, Chien-Nan Hsiao, Chang-Hsiao Chen, 竹延 大志
  • Organizer: 第55回フラーレン・ナノチューブ・グラフェン総合シンポジウム
• [Book] Physics and Chemistry of Carbon-Based Materials, Chapter 6, Superconductivity of Carbides (2019)
  • Author(s): Kaya Kobayashi, Kazumasa Horigane, Rie Horie and Jun Akimitsu
  • Total Pages: 60
  • Publisher: Springer
• [Patent(Industrial Property Rights)] THERMOELECTRIC ELEMENT MATERIAL AND METHOD FOR MANUFACTURING THE SAME (2019)
  • Inventor(s): Yoshihiro Iwasa, Satria Zulkarnaen Bisri, Sunao Shimizu
  • Industrial Property Rights Holder: RIKEN
  • Industrial Property Number: US 16/244166
  • Filing Date: 2019-01-10
  • Overseas
• [Patent(Industrial Property Rights)] NANOCRYSTAL ASSEMBLIES AND USES THEREOF (2019)
  • Inventor(s): Satria Zulkarnaen Bisri, Liming Liu, Yasuhiro Ishida, Yoshihiro Iwasa, Ian Johnson, Simon King, Jeremy Burroughes
  • Industrial Property Rights Holder: Cambridge Display Technology, RIKEN
  • Industrial Property Number: US 62/809519
  • Filing Date: 2019-02-22
  • Overseas