AKIBA KAZUTO 秋葉和人

… Alternative Names

Akiba Kazuto 秋葉和人

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Researcher Number	60824026
Other IDs	https://orcid.org/0000-0003-1408-4922
Affiliation (Current)	2025: 岩手大学, 理工学部, 准教授
Affiliation (based on the past Project Information) *help	2023 – 2024: 岡山大学, 環境生命自然科学学域, 助教 2021 – 2022: 岡山大学, 自然科学学域, 助教 2019 – 2020: 岡山大学, 自然科学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related Except Principal Investigator Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related / Transformative Research Areas, Section (II)
Keywords	Principal Investigator 第一原理計算 / 量子臨界点 / Fermi面 / 圧力 / 電荷密度波 / 超伝導 / PbTe / ディラックネス / 鉛テルル / Dirac電子系 … More / 磁場方向依存性 / 量子振動 / 磁気抵抗 / 高圧力 / トポロジカル電子相 / Diracフェルミオン … More Except Principal Investigator 圧電効果 / 遷移金属カルコゲナイド / 極性金属 / 熱電効果 / 超伝導 / 相転移 / ディラック電子 / 強磁場物性 / カタストロフィー / 原子層物質 / 反磁性 / 量子極限 / 強磁場 / 半金属 / 無機材料 / ピエゾ効果 / 磁性 Less

Exploration of electromechanical response in topological semimetals using asymmetric external fields
- Principal Investigator
  
  高橋英史
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Osaka University
Exploration and elucidation of band electrons at 1000 T
- Principal Investigator
  
  徳永将史
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  The University of Tokyo
Correlation between charge order and superconductivity in La-based intermetallic compoundsPrincipal Investigator
- Principal Investigator
  
  Akiba Kazuto
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Okayama University
Function creation in polar metals
- Principal Investigator
  
  Takahashi Hidefumi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Osaka University
Realization of topological electronic state in pressurized PbTe and investigation of the physical propertiesPrincipal Investigator
- Principal Investigator
  
  Akiba Kazuto
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Okayama University

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation Book

[Book] Electronic States of Narrow-Gap Semiconductors Under Multi-Extreme Conditions2019
- Author(s)
  Kazuto Akiba
- Total Pages
  147
- Publisher
  Springer, Singapore
- ISBN
  9789811371073
- Data Source
  KAKENHI-PROJECT-19K14660
[Journal Article] Unveiling the orbital-selective electronic band reconstruction through the structural phase transition in TaTe22024
- Author(s)
  Mitsuishi Natsuki、Sugita Yusuke、Akiba Tomoki、Takahashi Yuki、Sakano Masato、Horiba Koji、Kumigashira Hiroshi、Takahashi Hidefumi、Ishiwata Shintaro、Motome Yukitoshi、Ishizaka Kyoko
- Journal Title
  
  Physical Review Research
  
  Volume: 6 Issue: 1 Pages: 013155-013155
- DOI
  10.1103/physrevresearch.6.013155
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20KK0117, KAKENHI-PLANNED-19H05825, KAKENHI-PLANNED-19H05826, KAKENHI-PLANNED-21H05235, KAKENHI-PROJECT-22H00343, KAKENHI-PROJECT-20H02853, KAKENHI-PROJECT-21H01030, KAKENHI-PROJECT-23K23216
[Journal Article] Superconductivity in a ferroelectric-like topological semimetal SrAuBi2023
- Author(s)
  Takahashi Hidefumi、Sasaki Tomohiro、Nakano Akitoshi、Akiba Kazuto、Takahashi Masayuki、Mayo Alex H.、Onose Masaho、Kobayashi Tatsuo C.、Ishiwata Shintaro
- Journal Title
  
  npj Quantum Materials
  
  Volume: 8 Issue: 1 Pages: 77-77
- DOI
  10.1038/s41535-023-00612-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03802, KAKENHI-PROJECT-22K14006, KAKENHI-PLANNED-23H04868, KAKENHI-PLANNED-23H04871, KAKENHI-PROJECT-22H00343, KAKENHI-PROJECT-21H01030
[Journal Article] Superconductivity in a Magnetic Rashba Semimetal EuAuBi2023
- Author(s)
  Takahashi Hidefumi、Akiba Kazuto、Takahashi Masayuki、Mayo Alex H.、Ochi Masayuki、Kobayashi Tatsuo C.、Ishiwata Shintaro
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 92 Issue: 1 Pages: 0137011-5
- DOI
  10.7566/jpsj.92.013701
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03802, KAKENHI-PROJECT-22K14006, KAKENHI-PROJECT-21H01030, KAKENHI-PROJECT-21H01042, KAKENHI-PROJECT-22H00343
[Journal Article] Phonon-mediated superconductivity in the Sb square-net compound LaCuSb22023
- Author(s)
  Akiba Kazuto、Kobayashi Tatsuo C.
- Journal Title
  
  Physical Review B
  
  Volume: 107 Issue: 24 Pages: 245117-245117
- DOI
  10.1103/physrevb.107.245117
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14006, KAKENHI-PROJECT-21H01042
[Journal Article] Observation of superconductivity and its enhancement at the charge density wave critical point in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>LaAgSb</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>2022
- Author(s)
  Akiba Kazuto、Umeshita Nobuaki、Kobayashi Tatsuo C.
- Journal Title
  
  Physical Review B
  
  Volume: 106 Issue: 16
- DOI
  10.1103/physrevb.106.l161113
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14006, KAKENHI-PROJECT-21H01042
[Journal Article] Site Split of Antiferromagnetic α-Mn Revealed by <sup>55</sup>Mn Nuclear Magnetic Resonance2022
- Author(s)
  Manago Masahiro、Motoyama Gaku、Nishigori Shijo、Fujiwara Kenji、Kinjo Katsuki、Kitagawa Shunsaku、Ishida Kenji、Akiba Kazuto、Araki Shingo、Kobayashi Tatsuo C.、Harima Hisatomo
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 11 Pages: 113701-113701
- DOI
  10.7566/jpsj.91.113701
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14006, KAKENHI-PROJECT-20H00130, KAKENHI-PROJECT-21H01042
[Journal Article] Topological Phase Transitions and Critical Phenomena Associated with Unwinding of Spin Crystals by High Magnetic Fields2022
- Author(s)
  Kanazawa Naoya、Fujishiro Yukako、Akiba Kazuto、Kurihara Ryosuke、Mitamura Hiroyuki、Miyake Atsushi、Matsuo Akira、Kindo Koichi、Tokunaga Masashi、Tokura Yoshinori
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 10 Pages: 101002-101002
- DOI
  10.7566/jpsj.91.101002
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14006, KAKENHI-PROJECT-22K14011, KAKENHI-PROJECT-20H01859
[Journal Article] Magnetotransport studies of the Sb square-net compound LaAgSb 2 under high pressure and rotating magnetic fields2022
- Author(s)
  Akiba Kazuto、Umeshita Nobuaki、Kobayashi Tatsuo C.
- Journal Title
  
  Physical Review B
  
  Volume: 105 Issue: 3
- DOI
  10.1103/physrevb.105.035108
- NAID
  120007186630
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14660
[Journal Article] Spin-orbit-derived giant magnetoresistance in a layered magnetic semiconductor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>AgCrSe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>2022
- Author(s)
  Takahashi Hidefumi、Akiba Tomoki、Mayo Alex Hiro、Akiba Kazuto、Miyake Atsushi、Tokunaga Masashi、Mori Hitoshi、Arita Ryotaro、Ishiwata Shintaro
- Journal Title
  
  Physical Review Materials
  
  Volume: 6 Issue: 5 Pages: 054602-054602
- DOI
  10.1103/physrevmaterials.6.054602
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14006
[Journal Article] Successive destruction of charge density wave states by pressure in LaAgSb22021
- Author(s)
  Akiba Kazuto、Nishimori Hiroaki、Umeshita Nobuaki、Kobayashi Tatsuo C.
- Journal Title
  
  Phys. Rev. B
  
  Volume: 103 Issue: 8
- DOI
  10.1103/physrevb.103.085134
- NAID
  120006961124
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14660
[Journal Article] Pressure-Temperature Phase Diagram of α-Mn2020
- Author(s)
  Sato Takaaki、Akiba Kazuto、Araki Shingo、Kobayashi Tatsuo C.
- Journal Title
  
  JPS Conf. Proc.
  
  Volume: 30 Pages: 011030-011030
- DOI
  10.7566/jpscp.30.011030
- NAID
  130008152152
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14660, KAKENHI-PROJECT-17K05544, KAKENHI-PROJECT-18K03517
[Journal Article] Magnetotransport properties of tellurium under extreme conditions2020
- Author(s)
  K. Akiba, K. Kobayashi, T. C. Kobayashi, R. Koezuka, A. Miyake, J. Gouchi, Y. Uwatoko, M. Tokunaga
- Journal Title
  
  Phys. Rev. B
  
  Volume: 101 Issue: 24
- DOI
  10.1103/physrevb.101.245111
- NAID
  120006860090
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14660, KAKENHI-PROJECT-19H01852
[Journal Article] Bidirectional surface photovoltage on a topological insulator2019
- Author(s)
  T. Yoshikawa, K. Sumida, Y. Ishida, J. Chen, M. Nurmamat, K. Akiba, A. Miyake, M. Tokunaga, K. A. Kokh, O. E. Tereshchenko, S. Shin, A. Kimura
- Journal Title
  
  Physical Review B
  
  Volume: 100 Issue: 16 Pages: 165311-165311
- DOI
  10.1103/physrevb.100.165311
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K22140, KAKENHI-PROJECT-19K14660, KAKENHI-PROJECT-18H03683, KAKENHI-PROJECT-18H01148, KAKENHI-PROJECT-18J22309, KAKENHI-PROJECT-19J00858, KAKENHI-PROJECT-17H06138
[Journal Article] Large Enhancement of Thermoelectric Efficiency Due to a Pressure-Induced Lifshitz Transition in SnSe2019
- Author(s)
  Nishimura T.、Sakai H.、Mori H.、Akiba K.、Usui H.、Ochi M.、Kuroki K.、Miyake A.、Tokunaga M.、Uwatoko Y.、Katayama K.、Murakawa H.、Hanasaki N.
- Journal Title
  
  Physical Review Letters
  
  Volume: 122 Issue: 22 Pages: 226601-226601
- DOI
  10.1103/physrevlett.122.226601
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14660, KAKENHI-ORGANIZER-18H05450, KAKENHI-PROJECT-19H01851, KAKENHI-PROJECT-19J10443
[Journal Article] Quantized surface transport in topological Dirac semimetal films2019
- Author(s)
  Nishihaya Shinichi、Uchida Masaki、Nakazawa Yusuke、Kurihara Ryosuke、Akiba Kazuto、Kriener Markus、Miyake Atsushi、Taguchi Yasujiro、Tokunaga Masashi、Kawasaki Masashi
- Journal Title
  
  Nature Communications
  
  Volume: 10 Issue: 1 Pages: 2564-2564
- DOI
  10.1038/s41467-019-10499-0
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K14660, KAKENHI-PROJECT-18H01866, KAKENHI-PROJECT-18J13331
[Journal Article] PbTeにおける「ディラックネス」の評価2019
- Author(s)
  秋葉和人・三宅厚志・徳永将史
- Journal Title
  
  固体物理
  
  Volume: 54 Pages: 201-213
- NAID
  40021882056
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] 時間分解ARPESによるTaTe2の光励起電子状態の研究2024
- Author(s)
  三石夏樹, 鈴木剛, 秋葉智起, 古賀淳平, 鐘益桂, 劉珂成, 金井輝人, 板谷治郎, 高橋英史, 石渡晋太郎, 岡﨑浩三, 石坂香子
- Organizer
  日本物理学会2024年春季大会
- Data Source
  KAKENHI-PROJECT-21H01030
[Presentation] 圧力による連続制御と極限環境下精密測定で拓く新奇電子物性2023
- Author(s)
  秋葉和人
- Organizer
  第64回高圧討論会
- Invited
- Data Source
  KAKENHI-PROJECT-22K14006
[Presentation] 圧力下のLaAuSb2における電荷密度波と超伝導の相関関係2023
- Author(s)
  秋葉和人, 小林達生
- Organizer
  日本物理学会 2023年春季大会
- Data Source
  KAKENHI-PROJECT-22K14006
[Presentation] CeAgSb2の圧力下交流比熱測定2023
- Author(s)
  秋葉和人, 小林達生
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-22K14006
[Presentation] 超高速時間分解電子回折を用いたTaTe2の光誘起相転移の研究Ⅱ2022
- Author(s)
  古賀淳平, 千足勇介, 中村飛鳥, 秋葉智起, 高橋英史, 下志万貴博, 石渡晋太郎, 石坂香子
- Organizer
  2022年日本物理学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H01030
[Presentation] LaAgSb2の圧力誘起CDW臨界点における超伝導の増強現象2022
- Author(s)
  秋葉和人, 梅下暢朗, 小林達生
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-22K14006
[Presentation] 圧力下のLaAgSb2における電荷密度波と超伝導の相関関係2022
- Author(s)
  秋葉和人, 梅下暢朗, 小林達生
- Organizer
  日本物理学会第77回年次大会（2022年）
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] V族遷移金属テルライドMTe2 (M = V, Nb, Ta)の電子構造と一次元鎖構造不安定性2022
- Author(s)
  三石夏樹, 杉田悠介, 上谷学, 秋葉智起, 坂野昌人, 堀場弘司, 組頭広志, 酒井英明, 高橋英史, 石渡晋太郎, 求幸年, 石坂香子
- Organizer
  2022年日本物理学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H01030
[Presentation] 極性半金属EuAuBiにおける磁性と超伝導特性2022
- Author(s)
  高橋英史, 高橋優之, メイヨーアレックス浩秋葉和人, 小林達生, 越智正之, 石渡晋太郎
- Organizer
  2022年日本物理学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H01030
[Presentation] 極性構造を有するEu系化合物における超伝導と磁気秩序の共存2022
- Author(s)
  高橋英史, 高橋優之, メイヨーアレックス浩秋葉和人,　小林達生, 越智正之, 石渡晋太郎
- Organizer
  2022 年日本物理学会年次大会
- Data Source
  KAKENHI-PROJECT-21H01030
[Presentation] LaAgSb2の圧力誘起CDW臨界点における電荷揺らぎ超伝導の可能性2022
- Author(s)
  秋葉和人, 梅下暢朗, 小林達生
- Organizer
  第1回アシンメトリ量子研究会
- Data Source
  KAKENHI-PROJECT-22K14006
[Presentation] Superconductivity and its enhancement at the charge-density-wave critical point in LaAgSb22022
- Author(s)
  Kazuto Akiba
- Organizer
  Progress in Superconductivity Research; RIIS Mini-Workshop
- Data Source
  KAKENHI-PROJECT-22K14006
[Presentation] 電荷密度波物質LaAgSb2における圧力下量子輸送現象の磁場方位依存性2021
- Author(s)
  秋葉和人, 梅下暢朗, 小林達生
- Organizer
  日本物理学会 2021年秋季大会 2021年9月
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] LaAgSb2における電荷密度波の圧力温度相図と圧力下におけるFermi面の変化2021
- Author(s)
  秋葉和人, 西森弘顕, 梅下暢朗, 小林達生
- Organizer
  日本物理学会第76回年次大会
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] 磁場中・圧力下の電気伝導測定から見るトポロジカル物質の電子状態2021
- Author(s)
  秋葉和人
- Organizer
  ワークショップ（5）「超伝導物質、トポロジカル物質」（SCTM2021）
- Invited
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] 電荷密度波物質LaAgSb2の圧力下磁気輸送特性2020
- Author(s)
  秋葉和人, 小林達生
- Organizer
  日本物理学会第75回年次大会
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] Magneto-transport properties of elemental semiconductor tellurium under high pressure and high magnetic field2020
- Author(s)
  Kazuto Akiba
- Organizer
  Asian Regional High Magnetic Field Conference (ARHMF2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] 化学エッチングしたTeの(0001)表面における量子輸送現象2019
- Author(s)
  秋葉和人, 浅田翔一朗, 小林夏野, 小林達生, 肥塚遼, 徳永将史
- Organizer
  日本物理学会秋季大会
- Data Source
  KAKENHI-PROJECT-19K14660
[Presentation] Quantum Transport Properties on Chemically Etched (0001) Surface of Tellurium2019
- Author(s)
  Kazuto Akiba, Shoichiro Asada, Kaya Kobayashi, Tatsuo C. Kobayashi, Ryo Koezuka, Masashi Tokunaga
- Organizer
  International Conference on Strongly Correlated Electron System 2019 (SCES2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14660

1. Takahashi Hidefumi (50748473)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
2. 中埜彰俊 (50842613)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. 徳永将史 (50300885)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 伏屋雄紀 (00377954)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 酒井英明 (20534598)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 瀬尾優太 (90963562)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 石田行章

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
8. 組頭広志

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

AKIBA KAZUTO 秋葉 和人

Akiba Kazuto 秋葉 和人

Research Projects

Research Products

Co-Researchers

Exploration of electromechanical response in topological semimetals using asymmetric external fields

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Exploration and elucidation of band electrons at 1000 T

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Correlation between charge order and superconductivity in La-based intermetallic compoundsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Function creation in polar metals

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Realization of topological electronic state in pressurized PbTe and investigation of the physical propertiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Book] Electronic States of Narrow-Gap Semiconductors Under Multi-Extreme Conditions2019

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Journal Article] Unveiling the orbital-selective electronic band reconstruction through the structural phase transition in TaTe22024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Superconductivity in a ferroelectric-like topological semimetal SrAuBi2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Superconductivity in a Magnetic Rashba Semimetal EuAuBi2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Phonon-mediated superconductivity in the Sb square-net compound LaCuSb22023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Observation of superconductivity and its enhancement at the charge density wave critical point in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>LaAgSb</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Site Split of Antiferromagnetic α-Mn Revealed by <sup>55</sup>Mn Nuclear Magnetic Resonance2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Topological Phase Transitions and Critical Phenomena Associated with Unwinding of Spin Crystals by High Magnetic Fields2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Magnetotransport studies of the Sb square-net compound LaAgSb 2 under high pressure and rotating magnetic fields2022

Author(s)

Journal Title

DOI

AKIBA KAZUTO 秋葉和人

Akiba Kazuto 秋葉和人