Konishi Takehisa 小西健久

… Alternative Names

小西健久コニシタケヒサ

KONISHI Takehisa 小西健久

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Researcher Number	40302525
Other IDs
Affiliation (Current)	2025: 千葉大学, 大学院理学研究院, 准教授
Affiliation (based on the past Project Information) *help	2020 – 2022: 千葉大学, 大学院理学研究院, 准教授 2016: 千葉大学, 大学院融合科学研究科, 准教授 2012: 千葉大学, 大学院・融合科学研究科, 准教授 2007: Chiba University, Graduate School of Advanced Integration Science, Nanoscience, Assistant Professor 2007: 埼玉大学, 融合科学研究科, 助教 2003 – 2006: 千葉大学, 理学部, 助手
Review Section/Research Field	Except Principal Investigator Condensed matter physics II / Basic Section 36020:Energy-related chemistry / Nanostructural science
Keywords	Except Principal Investigator 変分クラスター近似 / 強相関電子系 / 物性理論 / 強相関系 / 脱励起 / C2,3 / 第一原理計算 / 光パルス / 同位体標識 / 協奏機構 … More / 密度汎関数計算 / 多電子還元 / 光資源化 / 光燃料化 / 密度汎関数理論 / X線吸収微細構造 / コバルト / ニッケル / 酸化ジルコニウム / 光触媒 / CO2 / 磁気多極子 / 多極子 / コバルト酸化物 / 遷移金属カルコゲナイド / 励起子絶縁体 / 励起子凝縮 / nanopore structure / nanoscale curvature / hydrogen / metal organic framework / single wall carbon / adsorption / nanostructure / clean energy / 水分子クラスター / メタン吸着 / 水素吸着 / ソフトナノスペース / 高分解能N_2吸着測定 / ナノ細孔性カーボン / 有機・無機ハイブリット錯体 / 同位体分離 / 水蒸気クラスター / 電気伝導度 / ナノ空間 / 分子間相互作用 / 分子クラスター / 超臨界気体 / ナノ細孔体 / 分子シミュレーション / 有機無機ハイブリッド錯体 / 気体吸着 / カーボンナノホーン / カーボンナノチューブ / 超臨界水素 / ナノスペース / 単層カーボンナノチューブ / ナノ細孔 / ナノスケール曲率 / 水素 / 配位高分子 / 単層ナノカーボン / 吸着 / ナノ構造 / クリーンエネルギー / 電荷軌道秩序 / 遷移金属酸化物 / 磁性 / 金属絶縁体転移 / ホランダイト Less

Multielectron reduction of CO2 by light and monitoring of isotope-labelled species over alloy nanoparticle-ultrathin semiconductor hybrid surface
- Principal Investigator
  
  Izumi Yasuo
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 36020:Energy-related chemistry
- Research Institution
  Chiba University
Microscopic theories on the excitonic Bose condensation and superconductivity in strongly correlated systems
- Principal Investigator
  
  OHTA Yukinori
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Chiba University
Development of the microscopic theory on anomalous electronic states in hollandite-type transition-metal oxides
- Principal Investigator
  
  OHTA Yukinori
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Chiba University
High density storage of clean energy fuel gases in soft nanospaces
- Principal Investigator
  
  KANEKO Katsumi
- Project Period (FY)
  2003 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Nanostructural science
- Research Institution
  Chiba University

All 2021 2020 2017 2015 2014 2013 2012 2011 2010 Other

All Journal Article Presentation

[Journal Article] Efficient and Selective Interplay Revealed: CO2 Reduction to CO over ZrO2 by Light with Further Reduction to Methane over Ni0 by Heat Converted from Light2021
- Author(s)
  Zhang Hongwei、Itoi Takaomi、Konishi Takehisa、Izumi Yasuo
- Journal Title
  
  Angewandte Chemie International Edition
  
  Volume: 60 Issue: 16 Pages: 9045-9054
- DOI
  10.1002/anie.202016346
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02834
[Journal Article] Monitoring the role of gold combined with ZrO2 for CO2 photoconversion irradiated by light2020
- Author(s)
  Hongwei Zhang, Takehisa Konishi, and Yasuo Izumi
- Journal Title
  
  Photon Factory Activity Report 2019
  
  Volume: 37
- Data Source
  KAKENHI-PROJECT-20H02834
[Journal Article] Dual origins of photocatalysis: light-induced band-gap excitation of zirconium oxide and ambient heat activation of gold to enable 13CO2 photoreduction/conversion2020
- Author(s)
  Hongwei Zhang, Takaomi Itoi, Kaori Niki, Takehisa Konishi, and Yasuo Izumi
- Journal Title
  
  Catalysis Today
  
  Volume: 未定 Pages: 544-556
- DOI
  10.1016/j.cattod.2020.02.040
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05961, KAKENHI-PROJECT-20H02834
[Journal Article] Reversed Crystal-Field Splitting and Spin-Orbital Ordering in alpha-Sr2CrO42017
- Author(s)
  T. Ishikawa, T. Toriyama, T. Konishi, H. Sakurai, Y. Ohta
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 86 Issue: 3 Pages: 033701-033701
- DOI
  10.7566/jpsj.86.033701
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400349
[Journal Article] Novel Electronic Structures of Ru-Pnictides RuPn (Pn=P, As, Sb)2015
- Author(s)
  H. Goto, T. Toriyama, T. Konishi, and Y. Ohta
- Journal Title
  
  Physics Procedia
  
  Volume: 75 Pages: 91-99
- DOI
  10.1016/j.phpro.2015.12.013
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400349
[Journal Article] Excitonic Bose-Einstein condensation in Ta2NiSe5 above room temperature2014
- Author(s)
  K. Seki, Y. Wakisaka, T. Kaneko, T. Toriyama, T. Konishi, T. Sudayama, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi, T. Mizokawa, and Y. Ohta
- Journal Title
  
  Physical Review B
  
  Volume: 90 Issue: 15 Pages: 155116-155116
- DOI
  10.1103/physrevb.90.155116
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-13J02070, KAKENHI-PROJECT-13J02767, KAKENHI-PROJECT-24224010, KAKENHI-PROJECT-25400356, KAKENHI-PROJECT-26287082, KAKENHI-PROJECT-26400349
[Journal Article] Charge and orbital orderings associated with metal-insulator transition in V_6O_<13>2014
- Author(s)
  T. Toriyama, et al.
- Journal Title
  
  Physical Review B
  
  Volume: 90 Issue: 8
- DOI
  10.1103/physrevb.90.085131
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-13J02767, KAKENHI-PROJECT-26400349
[Journal Article] Orthorhombic-to-Monoclinic Phase Transition of Ta_2NiSe_5 Induced by the Bose-Einstein Condensation of Excitons2013
- Author(s)
  T. Kaneko, T. Toriyama, Y. Ohta, and T.Konishi
- Journal Title
  
  Phys. Rev
  
  Volume: B87 Issue: 3
- DOI
  10.1103/physrevb.87.035121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Journal Article] Anomalous Electronic States of Hollandite-Type Transition- Metal Oxides2012
- Author(s)
  Y. Ohta, T. Toriyama, M. Sakamaki, and T. Konishi
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 400 Issue: 3 Pages: 032070-032070
- DOI
  10.1088/1742-6596/400/3/032070
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Journal Article] Mechanism of the Metal-Insulator Transition of Hollandite Vanadate K2V8O162012
- Author(s)
  T. Toriyama, T. Konishi, and Y. Ohta
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 400 Issue: 3 Pages: 032104-032104
- DOI
  10.1088/1742-6596/400/3/032104
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Journal Article] Hollandite Ruthenate K_2Ru_8O_<16> as a New Tomonaga-Luttinger- Liquid System2012
- Author(s)
  T. Toriyama, M. Watanabe, T. Konishi, and Y. Ohta
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 400 Issue: 4 Pages: 042063-042063
- DOI
  10.1088/1742-6596/400/4/042063
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Journal Article] Anomalous Electronic Structure of Transition-Metal Oxides with Hollandite-Type Crystal Structure2012
- Author(s)
  T. Toriyama, T. Konishi, and Y. Ohta
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 391 Pages: 012109-012109
- DOI
  10.1088/1742-6596/391/1/012109
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Journal Article] Quasi-One-Dimensional Electronic Structure of Hollandite Ruthenate K_2Ru_8O_<16>2011
- Author(s)
  T. Toriyama, M. Watanabe, T. Konishi, and Y. Ohta
- Journal Title
  
  Phys. Rev
  
  Volume: B83 Issue: 19
- DOI
  10.1103/physrevb.83.195101
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Journal Article] Peierls Mechanism of the Metal-Insulator Transition in Ferromagnetic Hollandite K2Cr80162011
- Author(s)
  T.Toriyama, A.Nakao, H.Nakao, Y.Murakami, K.Hasegawa, M.
- Journal Title
  
  Phys.Rev.Lett.
  
  Volume: 107 Issue: 26
- DOI
  10.1103/physrevlett.107.266402
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-19052004, KAKENHI-PROJECT-21224008, KAKENHI-PROJECT-22244041, KAKENHI-PROJECT-22540363
[Journal Article] A New Half-Metallic Ferromagnet K_2Cr_8O_16 Predicted by an Ab-InitioElectronic Structure Calculation2010
- Author(s)
  M.Sakamaki, T.Konishi, T.Shirakawa, Y.Ohta
- Journal Title
  
  Journal of Physics : Conference Series
  
  Volume: 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540363
[Presentation] Efficient inteplay of ZrO2 and Ni0 for photocatalytic CO2 conversion into methane monitored using 13CO2 and EXAFS2021
- Author(s)
  Hongwei Zhang, Takaomi Itoi, Takeshi Konishi, and Yasuo Izumi
- Organizer
  ACS National Meeting & Exposition ACS Fall 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02834
[Presentation] ZrO2系光触媒を用いたCO2のメタン化反応2020
- Author(s)
  張宏偉・糸井貴臣・小西健久・泉康雄
- Organizer
  第126回触媒討論会A
- Data Source
  KAKENHI-PROJECT-20H02834
[Presentation] Dual Photocatalytic Roles of Light: Charge Separation at the Band Gap and Heat ia Localized Surface Plasmon Resonance To Convert 13CO2 into 13CO over Silver- or Gold&-Zirconium Oxide2020
- Author(s)
  Hongwei Zhang, Takaomi Itoi, Takehisa Konishi, and Yasuo Izumi
- Organizer
  17th International Congress on Catalysis
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02834
[Presentation] Novel spin and orbital orderings in the layered perovskite Sr2CrO42015
- Author(s)
  T. Ishikawa, T. Toriyama, T. Konishi, H. Sakurai, Y. Ohta
- Organizer
  ICM2015
- Place of Presentation
  Barcelona, Spain
- Year and Date
  2015-07-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] Novel electronic structures in ru-pnictides RuPn (Pn = P, As, Sb)2015
- Author(s)
  H. Goto, T. Toriyama, T. Konishi, Y. Ohta
- Organizer
  ICM2015
- Place of Presentation
  Barcelona, Spain
- Year and Date
  2015-07-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] Ru1-xRhxPn (Pn=P,As,Sb) の電子構造2015
- Author(s)
  後藤広樹, 鳥山達矢, 小西健久, 太田幸則
- Organizer
  日本物理学会
- Place of Presentation
  関西大学（大阪府・吹田市）
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] 層状ペロブスカイトα-Sr2CrO4における配位子場分裂の逆転とスピン・軌道秩序2015
- Author(s)
  石川貴史, 鳥山達也, 小西健久, 桜井裕也, 太田幸則
- Organizer
  日本物理学会
- Place of Presentation
  関西大学（大阪府・吹田市）
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] レーザー角度分解光電子分光によるIr1-xPtxTe2の超伝導ギャップの直接観測2015
- Author(s)
  大槻太毅, 溝川貴司, N.L. Saini, 大田由一, 山本遇哲, 橋本嵩広, 岡崎浩三, 辛埴, 藤森淳, 鳥山達矢, 小西健久, 太田幸則, 卞舜生, 工藤一貴, 野原実
- Organizer
  日本物理学会
- Place of Presentation
  関西大学（大阪府・吹田市）
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] Excitonic condensation and superconductivity in Ta2NiSe52015
- Author(s)
  Y. Ohta, T. Kaneko, K. Seki, T. Toriyama, T. Konishi
- Organizer
  ICM2015
- Place of Presentation
  Barcelona, Spain
- Year and Date
  2015-07-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] NaCr_2O_4の電磁状態の理論2013
- Author(s)
  鳥山達矢、小西健久、太田幸則
- Organizer
  日本物理学会
- Place of Presentation
  広島大学
- Year and Date
  2013-03-27
- Data Source
  KAKENHI-PROJECT-22540363
[Presentation] 遷移金属酸化物に創発する超原子結晶:モリブデンホランダイト2012
- Author(s)
  渡邊正将、鳥山達矢、小西健久、太田幸則
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  西宮市・関西学院大学
- Year and Date
  2012-03-25
- Data Source
  KAKENHI-PROJECT-22540363
[Presentation] Anomalous Electronic Structure of Hollandite-Type Crystal Structure2011
- Author(s)
  T. Toriyama, T. Konishi, and Y. Ohta
- Organizer
  SCES2011
- Place of Presentation
  Cambridge, UK
- Data Source
  KAKENHI-PROJECT-22540363
[Presentation] 層状ペロブスカイトα-Sr2CrO4における逐次相転移の起源
- Author(s)
  石川貴史，鳥山達矢，小西健久，桜井裕也，太田幸則
- Organizer
  日本物理学会
- Place of Presentation
  早稲田大学
- Year and Date
  2015-03-21 – 2015-03-24
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] Hidden band Jahn-Teller instability in the single trellis layer of V6O13
- Author(s)
  T. Toriyama, T. Nakayama, T. Konishi, Y. Ohta
- Organizer
  SCES2014
- Place of Presentation
  Grenoble, France
- Year and Date
  2014-07-07 – 2014-07-11
- Data Source
  KAKENHI-PROJECT-26400349
[Presentation] バナジウム酸化物V6O13における電荷・軌道秩序を伴う金属絶縁体転移の理論
- Author(s)
  鳥山達矢，小西健久，太田幸則
- Organizer
  日本物理学会
- Place of Presentation
  中部大学
- Year and Date
  2014-09-07 – 2014-09-10
- Data Source
  KAKENHI-PROJECT-26400349

1. OHTA Yukinori (70168954)

# of Collaborated Projects: 2 results

# of Collaborated Products: 21 results
2. SHIRAKAWA Tomonori (40571237)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
3. KANEKO Katsumi (20009608)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. KANOH Hirofumi (60334166)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. TOGO Hideo (60217461)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. OHBA Tomonori (80406884)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. YAMADA Atsushi (10251399)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. SEKI Kazuhiro (40708533)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. KANEKO Tatsuya (30784433)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
10. SUGIMOTO Koudai (70756072)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. Izumi Yasuo (50251666)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
12. 田中秀樹 (80376368)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 石井千明 (30291305)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 糸井貴臣 (50333670)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
15. NISHIMOTO Satoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. EJIMA Satoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. FEHSKE Holger

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Konishi Takehisa 小西 健久

小西 健久 コニシ タケヒサ

KONISHI Takehisa 小西 健久

Research Projects

Research Products

Co-Researchers

Multielectron reduction of CO2 by light and monitoring of isotope-labelled species over alloy nanoparticle-ultrathin semiconductor hybrid surface

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Microscopic theories on the excitonic Bose condensation and superconductivity in strongly correlated systems

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development of the microscopic theory on anomalous electronic states in hollandite-type transition-metal oxides

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

High density storage of clean energy fuel gases in soft nanospaces

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Efficient and Selective Interplay Revealed: CO2 Reduction to CO over ZrO2 by Light with Further Reduction to Methane over Ni0 by Heat Converted from Light2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Monitoring the role of gold combined with ZrO2 for CO2 photoconversion irradiated by light2020

Author(s)

Journal Title

Data Source

[Journal Article] Dual origins of photocatalysis: light-induced band-gap excitation of zirconium oxide and ambient heat activation of gold to enable 13CO2 photoreduction/conversion2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Reversed Crystal-Field Splitting and Spin-Orbital Ordering in alpha-Sr2CrO42017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Novel Electronic Structures of Ru-Pnictides RuPn (Pn=P, As, Sb)2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Excitonic Bose-Einstein condensation in Ta2NiSe5 above room temperature2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Charge and orbital orderings associated with metal-insulator transition in V_6O_<13>2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Orthorhombic-to-Monoclinic Phase Transition of Ta_2NiSe_5 Induced by the Bose-Einstein Condensation of Excitons2013

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Anomalous Electronic States of Hollandite-Type Transition- Metal Oxides2012

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mechanism of the Metal-Insulator Transition of Hollandite Vanadate K2V8O162012

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Hollandite Ruthenate K_2Ru_8O_<16> as a New Tomonaga-Luttinger- Liquid System2012

Konishi Takehisa 小西健久

小西健久コニシタケヒサ

KONISHI Takehisa 小西健久