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Hirayama Naomi  平山 尚美

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HIRAYAMA Naomi  平山 尚美

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Researcher Number 70581750
Other IDs
Affiliation (Current) 2025: 島根大学, 学術研究院理工学系, 准教授
Affiliation (based on the past Project Information) *help 2020 – 2023: 島根大学, 学術研究院理工学系, 准教授
2019: 東京大学, 物性研究所, 特任研究員
2017 – 2018: 大阪大学, 理学研究科, 特任研究員(常勤)
2016: 首都大学東京, 理工学研究科, 特任助教
2015: 東京理科大学, 基礎工学部, 嘱託助教
2014 – 2015: 東京理科大学, 基礎工学部, 助教
Review Section/Research Field
Principal Investigator
Basic Section 21050:Electric and electronic materials-related / Basic Section 36020:Energy-related chemistry / Energy engineering / Power engineering/Power conversion/Electric machinery
Except Principal Investigator
Power engineering/Power conversion/Electric machinery
Keywords
Principal Investigator
第一原理計算 / 不純物ドープ / 熱電効果 / マグネシウムシリサイド / 熱電物質 / 機械学習 / 格子欠陥 / 熱電発電 / 有効質量 / 化学圧力 … More / ゼーベック係数 / シリサイド / 熱電材料 / FLAPW法 / 不純物サイト / 不純物添加 / 再生可能エネルギー / 半導体物性 / 物性理論 / 熱電輸送係数 / 有限温度 / 界面 / 等電子不純物 / ストロンチウムシリサイド / ボルツマン方程式 / ハイブリッド法 / KKR-CPA法 / 機械学習ポテンシャル / カーボンナノチューブ / 不純物ドーピング / 全電子計算 / 熱電輸送現象 / 不純物効果 / KKRグリーン関数法 / 擬ポテンシャル法 / 格子定数 / 不純物ドープ効果 … More
Except Principal Investigator
環境半導体 / マグネシウム・シリサイド / 熱電変換 / 排熱発電 / 熱電発電 / 電気エネルギー工学 Less
  • Research Projects

    (5 results)
  • Research Products

    (80 results)
  • Co-Researchers

    (4 People)
  •  第一原理計算と機械学習力場による加速分子動力学法を用いた熱電変換材料の理論設計Principal Investigator

    • Principal Investigator
      平山 尚美
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 21050:Electric and electronic materials-related
    • Research Institution
      Shimane University
  •  Theoretical study of impurity-doped Mg2Si thermoelectric materials using first-principles calculations and machine learning techniquePrincipal Investigator

    • Principal Investigator
      Hirayama Naomi
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 36020:Energy-related chemistry
    • Research Institution
      Shimane University
  •  Thermoelectric calculation at finite temperature: towards environmentally benign thermoelectric materialsPrincipal Investigator

    • Principal Investigator
      Hirayama Naomi
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Energy engineering
    • Research Institution
      The University of Tokyo
      Osaka University
  •  Theoretical study of structural, electronic, and thermoelectric properties of silicide materialsPrincipal Investigator

    • Principal Investigator
      Hirayama Naomi
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Power engineering/Power conversion/Electric machinery
    • Research Institution
      Tokyo Metropolitan University
      Tokyo University of Science
  •  Development of thermoelectric waste-heat-recovery power-generation system adaptable to automotive applications

    • Principal Investigator
      IIDA TSUTOMU
    • Project Period (FY)
      2012 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Power engineering/Power conversion/Electric machinery
    • Research Institution
      Tokyo University of Science

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 Other

All Journal Article Presentation

  • [Journal Article] First-principles study of the effects of native defects on the thermoelectric properties of narrow-gap semiconducting α-SrSi2 using the hybrid functional method2022

    • Author(s)
      D. Shiojiri, T. Iida, M. Yamaguchi, N. Hirayama, and Y. Imai
    • Journal Title

      Physica B: Condensed Matter

      Volume: 634 Pages: 413795-413795

    • DOI

      10.1016/j.physb.2022.413795

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00772, KAKENHI-PROJECT-20K05681
  • [Journal Article] First-principles study of the structural and thermoelectric properties of Y-doped α-SrSi22022

    • Author(s)
      M. Yamaguchi, D. Shiojiri, T. Iida, N. Hirayama, and Y. Imai
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 61 Issue: 3 Pages: 031002-031002

    • DOI

      10.35848/1347-4065/ac48d7

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00772, KAKENHI-PROJECT-20K05681
  • [Journal Article] Electronic band engineering of Mg<sub>2</sub>Si by isoelectronic impurity doping: a first-principles study for enhancing thermoelectric properties2022

    • Author(s)
      Imai Kiyoka、Ikebuchi Ryohei、Hirayama Naomi、Hamada Noriaki、Imai Yoji
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 62 Issue: SD Pages: SD1007-SD1007

    • DOI

      10.35848/1347-4065/aca771

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K05681
  • [Journal Article] Recent Studies on the Environmentally Benign Alkaline-Earth Silicide Mg2Si for Middle-Temperature Thermoelectric Applications2022

    • Author(s)
      Shiojiri Daishi、Iida Tsutomu、Hirayama Naomi、Imai Yoji、Sugawara Hiroharu、Kusaka Jin
    • Journal Title

      Energies

      Volume: 15 Issue: 13 Pages: 4859-4859

    • DOI

      10.3390/en15134859

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K05681
  • [Journal Article] Enhanced Thermoelectric Performance of Vertical Bridgman‐Grown Mg2Si by Codoping with Sb and Zn2022

    • Author(s)
      D. Shiojiri, T. Iida, H. Hamba, T. Kodama, M. Yamaguchi, N. Hirayama, and Y. Imai
    • Journal Title

      Journal of Electronic Materials

      Volume: 51 Issue: 3 Pages: 1311-1321

    • DOI

      10.1007/s11664-021-09404-7

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00772, KAKENHI-PROJECT-20K05681
  • [Journal Article] Electronic structure tuning of α-SrSi2 by isotropic strain and isoelectronic impurity incorporation: A first-principles study for enhancement of low-temperature thermoelectric performance2021

    • Author(s)
      D. Shiojiri, T. Iida, M. Yamaguchi, N. Hirayama, and Y. Imai
    • Journal Title

      Journal of Applied Physics

      Volume: 130 Issue: 21 Pages: 215103-215103

    • DOI

      10.1063/5.0063506

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00772, KAKENHI-PROJECT-20K05681
  • [Journal Article] Enhancement of thermoelectric performance of Mg2Si via co-doping Sb and C by simultaneous tuning of electronic and thermal transport properties2021

    • Author(s)
      D. Shiojiri, T. Iida, H. Kakio, M. Yamaguchi, N. Hirayama, Y. Imai
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 891 Pages: 161968-161968

    • DOI

      10.1016/j.jallcom.2021.161968

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00772, KAKENHI-PROJECT-20K05681
  • [Journal Article] Re-evaluation of the electronic structure and thermoelectric properties of narrow-gap semiconducting α-SrSi2: A complementary experimental and first-principles hybrid-functional approach2021

    • Author(s)
      Shiojiri Daishi、Iida Tsutomu、Kadono Tomoyuki、Yamaguchi Masato、Kodama Takuya、Yamaguchi Seiya、Takahashi Shinta、Kayama Yuki、Hiratsuka Kota、Imai Motoharu、Hirayama Naomi、Imai Yoji
    • Journal Title

      Journal of Applied Physics

      Volume: 129 Issue: 11 Pages: 115101-115101

    • DOI

      10.1063/5.0041670

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K05681, KAKENHI-PROJECT-19H00772
  • [Journal Article] Performance comparison of hybrid functionals for describing narrow-gap semiconductors: A study on low-temperature thermoelectric material α-SrSi22021

    • Author(s)
      D. Shiojiri, T. Iida, M. Yamaguchi, N. Hirayama, and Y. Imai
    • Journal Title

      Computational Condensed Matter

      Volume: 30 Pages: e00620-e00620

    • DOI

      10.1016/j.cocom.2021.e00620

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00772, KAKENHI-PROJECT-20K05681
  • [Journal Article] Investigation of local structures and electronic states of Sb-doped Mg2Si by fluorescence XAFS and HAXPES2020

    • Author(s)
      Kadono Tomoyuki、Hirayama Naomi、Nishio Tadashi、Yamazawa Shingo、Oki Naoto、Takahashi Yoshinobu、Takikawa Natsumi、Yasui Akira、Nitta Kiyofumi、Sekizawa Oki、Tokumura Mako、Takemoto Shoji、Iida Tsutomu、Kotsugi Masato
    • Journal Title

      Applied Physics Letters

      Volume: 117 Issue: 14 Pages: 143901-143901

    • DOI

      10.1063/5.0018323

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K05681, KAKENHI-PROJECT-19H00772
  • [Journal Article] Conduction band engineering of Mg2Si by isotropic strain for enhancement of thermoelectric performance: a first-principles study2020

    • Author(s)
      N. Hirayama, Y. Imai, and N. Hamada
    • Journal Title

      Journal of Applied Physics

      Volume: 127 Issue: 20 Pages: 205107-205107

    • DOI

      10.1063/5.0001857

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K14922, KAKENHI-PROJECT-20K05681, KAKENHI-PROJECT-18K03550
  • [Journal Article] Change of the band structure of Mg2Si induced by interstitial doping with nonmetallic elements2020

    • Author(s)
      Y. Imai, N. Hirayama, A. Yamamoto, and K. Takarabe
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 59 Issue: SF Pages: SFFC04-SFFC04

    • DOI

      10.7567/1347-4065/ab6567

    • NAID

      210000157894

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K14922, KAKENHI-PROJECT-20K05681
  • [Journal Article] Theoretical study of fluorine doping in layered LaOBiS2-type compounds2019

    • Author(s)
      N. Hirayama, M. Ochi, and K. Kuroki
    • Journal Title

      Physical Review B

      Volume: 100 Issue: 12

    • DOI

      10.1103/physrevb.100.125201

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K14922, KAKENHI-PUBLICLY-19H04697
  • [Journal Article] Substitutional and interstitial impurity p-type doping of thermoelectric Mg2Si: a theoretical study2019

    • Author(s)
      Hirayama Naomi、Iida Tsutomu、Sakamoto Mariko、Nishio Keishi、Hamada Noriaki
    • Journal Title

      Science and Technology of Advanced Materials

      Volume: 20 Issue: 1 Pages: 160-172

    • DOI

      10.1080/14686996.2019.1580537

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K14922, KAKENHI-PROJECT-16H02329, KAKENHI-PROJECT-17H03221, KAKENHI-PROJECT-18K03550
  • [Journal Article] Influence of native defects on structural and electronic properties of magnesium silicide2017

    • Author(s)
      N. Hirayama, T. Iida, K. Nishio, Y. Kogo, K. Takarabe, and N. Hamada
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 57 Issue: 5S1 Pages: 05DC05-05DC05

    • DOI

      10.7567/jjap.56.05dc05

    • NAID

      210000147765

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K14922
  • [Journal Article] Influence of native defects on structural and electronic properties of magnesium silicide2017

    • Author(s)
      N. Hirayama, I. Tsutomu, K. Nishio, Y. Kogo, K. Takarabe, and N. Hamada
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 56

    • NAID

      210000147765

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Journal Article] Recent Progress in the Development of Mg<sub>2</sub>Si-based Thermoelectric Materials2016

    • Author(s)
      飯田努、平山尚美
    • Journal Title

      Materia Japan

      Volume: 55 Issue: 7 Pages: 302-306

    • DOI

      10.2320/materia.55.302

    • NAID

      130005159318

    • ISSN
      1340-2625, 1884-5843
    • Language
      Japanese
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Journal Article] Analysis of energy states of two-dimensional electron gas in pseudomorphically strained InSb high-electron-mobility transistors taking into account the nonparabolicity of the conduction band2016

    • Author(s)
      Y. Nishio, T. Sato, N. Hirayama, T. Iida, and Y. Takanashi
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 55 Issue: 8 Pages: 084301-084301

    • DOI

      10.7567/jjap.55.084301

    • NAID

      210000146940

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Journal Article] Analysis of energy states where electrons and holes coexist in pseudomorphically strained InAs-HEMTs2016

    • Author(s)
      Y. Nishio, T. Sato, N. Hirayama, T. Iida, and Y. Takanashi
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 55 Issue: 4S Pages: 04EG08-04EG08

    • DOI

      10.7567/jjap.55.04eg08

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Journal Article] First-principles investigation of structural, electronic, and thermoelectric properties of n- and p-type Mg2Si2015

    • Author(s)
      Naomi Hirayama, Tsutomu Iida, Shunsuke Morioka, Mariko Sakamoto, Keishi Nishio, Yasuo Kogo, Yoshifumi Takanashi, and Noriaki Hamada
    • Journal Title

      Journal of Materials Research

      Volume: 30 Issue: 17 Pages: 2564-2577

    • DOI

      10.1557/jmr.2015.206

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-26820099, KAKENHI-PROJECT-24246050
  • [Journal Article] First-Principles Study on Structural and Thermoelectric Properties of Al- and Sb-Doped Mg2Si2015

    • Author(s)
      Naomi Hirayama, Tsutomu Iida, Hiroki Funashima, Shunsuke Morioka, Mariko Sakamoto, Keishi Nishio, Yasuo Kogo, Yoshifumi Takanashi, Noriaki Hamada
    • Journal Title

      Journal of Electronic Materials

      Volume: 44 Issue: 6 Pages: 1656-1662

    • DOI

      10.1007/s11664-014-3508-4

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-26820099, KAKENHI-PROJECT-24246050
  • [Journal Article] Theoretical analysis of structure and formation energy of impurity-doped Mg2Si: Comparison of first-principles codes for material properties2015

    • Author(s)
      Naomi Hirayama, Tsutomu Iida, Shunsuke Morioka, Mariko Sakamoto, Keishi Nishio, Yasuo Kogo, Yoshifumi Takanashi, and Noriaki Hamada
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 54 Issue: 7S2 Pages: 07JC05-07JC05

    • DOI

      10.7567/jjap.54.07jc05

    • NAID

      210000145478

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26820099, KAKENHI-PROJECT-24246050
  • [Journal Article] Selection and Evaluation of Thermal Interface Materials for Reduction of the Thermal Contact Resistance
 of Thermoelectric Generators2014

    • Author(s)
      T. Sakamoto, T. Iida, K. Sekiguchi, Y. Taguchi, N. Hirayama, K. Nishio and Y. Takanashi
    • Journal Title

      Journal of Electronic Materials

      Volume: 43 Issue: 10 Pages: 3792-3800

    • DOI

      10.1007/s11664-014-3165-7

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Journal Article] Development of an Mg_2Si unileg thermoelectric module using durable Sb-doped Mg_2Si Legs2013

    • Author(s)
      T. Nemoto, T. Iida, J. Sato, T. Sakamoto, N. Hirayama, T. Nakajima, Y. Takanashi
    • Journal Title

      Journal of Electronic Materials

      Volume: 42 Issue: 7 Pages: 2192-2197

    • DOI

      10.1007/s11664-013-2569-0

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-12J07687, KAKENHI-PROJECT-24246050
  • [Journal Article] Thermoelectric properties and durability at elevated temperatures of impurity doped n-type Mg2Si2013

    • Author(s)
      Y. Oto, T. Iida, T. Sakamoto, R. Miyahara, A. Natsui, K. Nishio, Y. Kogo, N. Hirayama, and Y. Takanashi
    • Journal Title

      Phys. Status Solidi C

      Volume: 12 Issue: 12 Pages: 1857-1861

    • DOI

      10.1002/pssc.201300353

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] 希薄不純物を含むMg2Siの電子状態および熱電物性の理論解析2024

    • Author(s)
      平山尚美
    • Organizer
      応用物理学会第42回シリサイド系半導体研究会
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K03926
  • [Presentation] Fe-B-Si系アモルファス合金の短距離・中距離秩序の理論解析2024

    • Author(s)
      平山尚美
    • Organizer
      第71回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-23K03926
  • [Presentation] フォノン散乱による有限温度効果を考慮したMg2Si系材料の電子状態および熱電特性の計算2023

    • Author(s)
      平山尚美
    • Organizer
      第84回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-23K03926
  • [Presentation] 有限温度効果と不純物分布の不規則性を考慮したMg2Si系材料の電気伝導率計算2023

    • Author(s)
      平山尚美
    • Organizer
      第70回応用物理学会 春季学術講演会
    • Data Source
      KAKENHI-PROJECT-20K05681
  • [Presentation] Fe-B-Si系アモルファス合金の微視的構造の解明にむけた原子 シミュレーション2023

    • Author(s)
      平山尚美
    • Organizer
      日本材料学会第9回材料WEEK
    • Data Source
      KAKENHI-PROJECT-23K03926
  • [Presentation] Structural properties and local atomic orders of amorphous Fe-B-Si alloys,2023

    • Author(s)
      Naomi Hirayama
    • Organizer
      GAP & (M)ACE Developers and Users Meeting
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03926
  • [Presentation] 不純物分布の不規則性を考慮したMg2Si 系材料の電気伝導率計算2023

    • Author(s)
      平山 尚美
    • Organizer
      多元系化合物・太陽電池研究会 年末講演会
    • Data Source
      KAKENHI-PROJECT-20K05681
  • [Presentation] 有限温度における不純物ドープ Mg2Siの電子状態および熱電特性の理論研究2023

    • Author(s)
      平山尚美
    • Organizer
      第20回日本熱電学会学術講演会
    • Data Source
      KAKENHI-PROJECT-23K03926
  • [Presentation] Electronic structure engineering of Mg2Si by Isotropic Strain and Isoelectronic Impurity Doping2022

    • Author(s)
      Naomi Hirayama
    • Organizer
      International Conference on Organic and Hybrid Thermoelectrics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K05681
  • [Presentation] Electronic Band Engineering of Mg2Si by Isoelectronic Impurity Doping: A First-Principles Study for Enhancing Thermoelectric Properties2022

    • Author(s)
      Naomi Hirayama
    • Organizer
      APAC-Silicide 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K05681
  • [Presentation] Enhancement of Thermoelectric Performance of N-type Mg2Si by Chemical Pressure of Impurity Dopants2019

    • Author(s)
      N. Hirayama, Y. Imai, and N. Hamada
    • Organizer
      17th European Conference on Thermoelectrics
    • Data Source
      KAKENHI-PROJECT-17K14922
  • [Presentation] Effects of Electron-phonon Scattering on Temperature Dependence of Half-metallicity of Co2MnSi2019

    • Author(s)
      N. Hirayama and H. Akai
    • Organizer
      Materials Research Meeting 2019
    • Data Source
      KAKENHI-PROJECT-17K14922
  • [Presentation] 第一原理計算によるLaOBiS2およびLaOSbSe2におけるフッ素ドープと結晶構造の関係2018

    • Author(s)
      平山 尚美
    • Organizer
      第15回日本熱電学会学術講演会
    • Data Source
      KAKENHI-PROJECT-17K14922
  • [Presentation] 第一原理計算によるLaOBiS2およびLaOSbSe2におけるフッ素ドープと結晶構造の関係2018

    • Author(s)
      平山 尚美
    • Organizer
      日本物理学会2018年秋季大会
    • Data Source
      KAKENHI-PROJECT-17K14922
  • [Presentation] Theoretical Study on the Fluorine Doping for Layered Thermoelectric Materials with LaOBiS2-type Structures2018

    • Author(s)
      Naomi Hirayama
    • Organizer
      XVI INTERSTATE CONFERENCE Thermoelectrics and their applications 2018 (ISCTA 2018)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14922
  • [Presentation] Influence of Mg-related defects on structural and electronic properties of Mg2Si2016

    • Author(s)
      Naomi Hirayama
    • Organizer
      Asia-Pacific Conference on Semiconducting Silicides and Related Materials
    • Place of Presentation
      Nishijin Plaza, Kyushu University(九州)
    • Year and Date
      2016-07-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] 第一原理計算手法による熱電材料開発2016

    • Author(s)
      平山尚美
    • Organizer
      第28回シリサイド系半導体研究会
    • Place of Presentation
      新潟駅前カルチャーセンター 4階401号室
    • Year and Date
      2016-09-16
    • Invited
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] Electronic and thermoelectric properties of impurity doped Mg2Si incorporating Mg-related defects2016

    • Author(s)
      Naomi Hirayama
    • Organizer
      14th European Conference on Thermoelectrics (ECT2016)
    • Place of Presentation
      the Congress Center of IST(ポルトガル)
    • Year and Date
      2016-09-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] Examination of the Surface of Mg2Si after Chemical Etching of Mg2Si in Preparation for Electrode Deposition and Surface Passivation2015

    • Author(s)
      Yuma Nagatsuka, Haruno Kunioka,Tsutomu Iida, Nana Ishida, Naomi Hirayama, Atsuo Yasumori, Yasuo Kogo and Keishi Nishio
    • Organizer
      MATERIALS RESEARCH SOCIETY, Fall Meeting 2015
    • Place of Presentation
      Boston, USA
    • Year and Date
      2015-11-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermoelectric Behavior of Various n-Type Impurities in Mg2Si2015

    • Author(s)
      Ayano Shimodate, Tsutomu Iida, Mitsunobu Nakatani, Naomi Hirayama, Atsuo Yasumori,Yasuo Kogo,Keishi Nishio
    • Organizer
      MATERIALS RESEARCH SOCIETY, Fall Meeting 2015
    • Place of Presentation
      Boston, USA
    • Year and Date
      2015-11-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] The Effect of Heat Exposure on the Mechanical Properties of Sintered Mg2Si2015

    • Author(s)
      Shuhei Hasegawa, Takashi Nakamura, Yasuo Kogo, Ryo Inoue, Tsutomu Iida, Naomi Hirayama, Keishi Nishio
    • Organizer
      MATERIALS RESEARCH SOCIETY, Fall Meeting 2015
    • Place of Presentation
      Boston, USA
    • Year and Date
      2015-11-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermoelectric and Mechanical properties of Sb+Zn co-doped n-type Mg2Si2015

    • Author(s)
      A. Shimodate, T. Iida, M. Nakatani, S. Hirata, T.Nakamura, N. Hirayama, M. Ishikawa, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, Spring Meeting 2015
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2015-04-05
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Theoretical investigation of structural, electronic, and thermoelectric properties of p‐type impurity‐doped Mg2Si2015

    • Author(s)
      Naomi Hirayama
    • Organizer
      34th Annual International Conference on Thermoelectrics / 13th European Conference on Thermoelectrics,
    • Place of Presentation
      Dresden Germany
    • Year and Date
      2015-06-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] n型およびp型不純物添加Mg2Siの構造安定性と熱電輸送特性の理論研究2015

    • Author(s)
      平山尚美
    • Organizer
      第十二回日本熱電学会学術講演会
    • Place of Presentation
      九州大学
    • Year and Date
      2015-09-08
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] Thermoelectric and Mechanical Properties of N-type Mg2Si for Waste-heat- recovery Power Generator2015

    • Author(s)
      Tsutomu Iida, N. Hirayama, Yasuo Kogo, Atsuo Yasumori, Keishi Nishio
    • Organizer
      14th International Union of Materials Research Societies- International Conference on Advanced Materials
    • Place of Presentation
      JEJU, KOREA
    • Year and Date
      2015-10-25
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Possible Electrode Formation Processes for n-Type Mg2Si2015

    • Author(s)
      N. Ishida , T. Iida , Y. Nagatsuka, H. Kunioka , N. Hirayama, A. Yasumori , Y. Kogo , and K. Nishio
    • Organizer
      MATERIALS RESEARCH SOCIETY, Fall Meeting 2015
    • Place of Presentation
      Boston, USA
    • Year and Date
      2015-11-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] First-principles study on Seebeck and Hall Effects in Impurity-doped Mg2Si2014

    • Author(s)
      Naomi Hirayama
    • Organizer
      12th European Conference on Thermoelectricity (ECT2014)
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      2014-09-24
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] Thermoelectric properties and durability at elevated temperatures of impurity doped n-type Mg2Si2013

    • Author(s)
      Y. Oto, T. Iida, T. Sakamoto, R. Miyahara, A. Natsui, K. Nishio, Y. Kogo, N. Hirayama, and Y. Takanashi
    • Organizer
      ASIA-PACIFIC CONFERENCE ON SEMICONDUCTING SILICIDES 2013
    • Place of Presentation
      Tsukuba, Japan
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Variation in the mechanical properties of impurity-incorporated Mg2Si prepared by the plasma sintering method2013

    • Author(s)
      S. Hirata, T. Iida, Y. Oto, M. Ishikawa, Y. Taguchi, A. Node, T. Sakamoto, Y. Kogo, K. Nishio, N. Hirayama, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2013 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermoelectric and mechanical properties of n-type Mg2Si prepared with manufacturing-directed processes and durability characteristics2013

    • Author(s)
      T. Iida, Y. Oto, S. Soeda, S. Hirata, M. Ishikawa, T. Sakamoto, Y. Kogo, K. Nishio, Y. Taguchi, A. Node, N. Hirayama, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2013 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Mechanical properties of Mg2Si and effect of Ni addition2013

    • Author(s)
      Y. Kogo, M. Ishikawa, T. Nakamura, T. Iida, K. Nishio, and N. Hirayama
    • Organizer
      THE MINERALS, METALS & MATERIALS SOCIETIE (TMS), Materials Science& Technology 2013 (MS&T 2013)
    • Place of Presentation
      Montreal, Canada
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Temperature dependence of mechanical properties of Mg2Si for thermoelectric devices2013

    • Author(s)
      M. Ishikawa, T. Nakamura, Y. Kogo, T. Iida, K. Nishio, and N. Hirayama
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2013 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Stress analysis and output power measurement of an unconventional structure for an n-Mg2Si thermoelectric power generator2013

    • Author(s)
      T. Sakamoto, T. Iida, Y. Ohno, M. Ishikawa, Y. Kogo, N. Hirayama,K. Arai, K. Nishio, T. Nakamura, and Y. Takanashi
    • Organizer
      IEEE 32nd INTERNATIONAL CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      Kobe, Japan
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Adaptive thermal conjugation at the proximity of TEG contacting surface for mid-temperature operation2013

    • Author(s)
      T. Sakamoto, T. Iida, Y. Taguchi, N. Hirayama, M. Ishikawa, T. Sekiguchi, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      11th EUROPEAN CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      ESA/ESTEC, Noordwijk, Netherlands
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermoelectric and mechanical properties of n-type Mg2Si and the status of unileg TEGs2013

    • Author(s)
      T. Iida, Y. Oto, S. Hirata, M. Ishikawa, T. Sakamoto, Y. Kogo, K. Nishio, Y. Taguchi, A. Node, N. Hirayama, and Y. Takanashi
    • Organizer
      INTERNATIONAL UNION OF MATERIALS RESEARCH SOCIETIES, International Conference on Advanced Materials (ICAM 2013)
    • Place of Presentation
      Qingdao, China
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Improvement of thermoelectric properties of doped n-type Mg2Si and component technology to realize a unileg thermoelectric generator2013

    • Author(s)
      T. Iida, T. Sakamoto, N. Hirayama, M. Ishikawa, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      IEEE 32nd INTERNATIONAL CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      Kobe, Japan
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Waste heaat recovery using environmentally benign Mg2Si for reducing automotive CO2 emission2013

    • Author(s)
      T. Iida, T. Sakamoto, Y. Taguchi, N. Hirayama, M. Ishikawa, T. Nemoto, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      INTERNATIONAL UNION OF MATERIALS RESEARCH SOCIETIES, International Conference on Asia (ICA 2013)
    • Place of Presentation
      Bangalore, India
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Direct thermal-to-electric energy conversion using environmentally benign Mg2Si for reducing automotive CO2 emission2013

    • Author(s)
      T. Iida, T. Sakamoto, K. Nishio, Y. Kogo, N. Hirayama, and Y. Takanashi
    • Organizer
      ASIA-PACIFIC CONFERENCE ON SEMICONDUCTING SILICIDES 2013
    • Place of Presentation
      Tsukuba, Japan
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Deterioration at elevated temperatures of Sb-doped Mg2Si dependent on plasma activated sintering process2013

    • Author(s)
      K. Kato, T. Iida, T. Sakamoto, S. Soeda, N. Hirayama, K. Nishio, Y. Kogo, and Y. Takanashi
    • Organizer
      2ND INTERNATIONAL CONFERENCE ON MATERIALS FOR ENERGY
    • Place of Presentation
      Karlsruhe, Germany
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Current status of Mg2Si to realize practical thermal-to-electric power generation device2013

    • Author(s)
      T. Iida, T. Sakamoto, Y. Taguchi, N. Hirayama, M. Ishikawa, T. Nemoto, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      11th EUROPEAN CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      ESA/ESTEC, Noordwijk, Netherlands
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Structural and Thermoelectric Properties of Al-, Sb-, and Zn-doped Mg2Si: First-principles Calculation and Rietveld Analysis

    • Author(s)
      S. Morioka, N. Hirayama, T. Iida, H. Funashima, M. Sakamoto, K. Nishio, Y. Kogo, A. Yasumori, Y. Takanashi, and N. Hamada
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2014 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Year and Date
      2014-11-30 – 2014-12-05
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Examination of appropriate component dimensions for an n-type Mg2Si unileg thermoelectric power generation module

    • Author(s)
      A. Kawakami, T. Iida, D. Kobayashi, N. Hirayama, K. Nishio, Y. Kogo, and Y. Takanashi
    • Organizer
      INTERNATIONAL UNION OF MATERIALS RESEARCH SOCIETIES, International Conference in Asis
    • Place of Presentation
      Fukuoka, Japan
    • Year and Date
      2014-08-24 – 2014-08-30
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] First-principles study on structural and thermoelectric properties of Al- and Sb-doped Mg2Si

    • Author(s)
      Naomi Hirayama
    • Organizer
      International Conference on Thermoelectrics 2014 (ICT2014)
    • Place of Presentation
      Tennessee, USA
    • Year and Date
      2014-07-08 – 2014-07-09
    • Data Source
      KAKENHI-PROJECT-26820099
  • [Presentation] Effect of Grain Size on the Mechanical Properties of sintered Mg2Si

    • Author(s)
      S. Hirata, T. Iida, M. Ishikawa, K. Nishio, Y. Takanashi, N. Hirayama, A. Yasumori, and Y. Kogo
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2014 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Year and Date
      2014-11-30 – 2014-12-05
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Introduction of manufacturing-directed process for the fabrication of Mg2Si thermoelectric power generation chip

    • Author(s)
      A. Shimodate, N. Ishida, T. Iida, Y. Oto, S. Soeda, S. Hirata, M. Ishikawa, T. Sakamoto, K. Nishio, Y. Kogo, Y. Taguchi, A. Node, N. Hirayama, and Y. Takanashi
    • Organizer
      INTERNATIONAL UNION OF MATERIALS RESEARCH SOCIETIES, International Conference on Electronic Materials
    • Place of Presentation
      Taipei, Taiwan
    • Year and Date
      2014-06-10 – 2014-06-14
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermoelectric and mechanical properties of n-type Mg2Si and updated unileg thermoelectric power generator

    • Author(s)
      T. Iida, Y. Oto, S. Soeda, S. Hirata, M. Ishikawa, T. Sakamoto, K. Nishio, Y. Kogo, Y. Taguchi, T. Nemoto, N. Hirayama, and Y. Takanashi
    • Organizer
      INTERNATIONAL UNION OF MATERIALS RESEARCH SOCIETIES, International Conference on Electronic Materials
    • Place of Presentation
      Taipei, Taiwan
    • Year and Date
      2014-06-10 – 2014-06-14
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Mechanical Properties of Thermoelectric Materials based on Silicides

    • Author(s)
      T. Nakamura, Y. Kogo, T. Iida, T. Sakamoto, N. Hirayama, M. Ishikawa, K. Nishio, and Y. Takanashi
    • Organizer
      12th EUROPEAN CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      2014-09-24 – 2014-09-26
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Comparison between finite element method calculations and measured data in terms of the output power of an Mg2Si thermoelectric chip and a unileg couple

    • Author(s)
      T. Nakamura, Y. Kogo, T. Iida, T. Sakamoto, N. Hirayama, M. Ishikawa, K. Nishio, and Y. Takanashi
    • Organizer
      IEEE 33rd INTERNATIONAL CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      Nashville, USA
    • Year and Date
      2014-07-06 – 2014-07-11
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermal stability at the interface between n-type Mg2Si and the electrode and passivation layers

    • Author(s)
      T. Iida, A. Shimodate, N. Ishida, N. Hirayama, A. Yasumori, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      12th EUROPEAN CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      2014-09-24 – 2014-09-26
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermoelectric and mechanical properties of n-type Mg2Si to realize practical thermal-to-electric power generation device

    • Author(s)
      T. Iida, T. Sakamoto, Y. Taguchi, N. Hirayama, M. Ishikawa, T. Nemoto, Y. Kogo, K. Nishio, and Y. Takanashi
    • Organizer
      THE 5th INTERNATIONAL CONGRESS ON CERAMICS
    • Place of Presentation
      Beijing, China
    • Year and Date
      2014-08-17 – 2014-08-21
    • Invited
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Mechanical properties of thermoelectric Mg2Si prepared by a plasma-activated sintering method with the incorporation of a metallic binder

    • Author(s)
      N. Ishida, T. Iida, S. Hirata, T. Nakamura, M. Ishikawa, T. Sakamoto, Y. Taguchi, Y. Kogo, N. Hirayama, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2014 Spring Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2014-04-21 – 2014-04-25
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] First-principles study on Seebeck and Hall Effects in Impurity-doped Mg2Si

    • Author(s)
      N. Hirayama, T. Iida, H. Funashima, S. Morioka, M. Sakamoto, K. Nishio, Y. Kogo, Y. Takanashi, and N. Hamada
    • Organizer
      12th EUROPEAN CONFERENCE ON THERMOELECTRONICS
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      2014-09-24 – 2014-09-26
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Electrical properties and thermal stability of electrodes formed for n-type Mg2Si using a sputtering method

    • Author(s)
      R. Yamazaki, T. Iida, Y. Nishio, T. Sato, K. Nishio, Y. Kogo, A. Yasumori, Y. Taguchi, T. Sakamoto, N. Hirayama, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2014 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Year and Date
      2014-11-30 – 2014-12-05
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Thermal stability and productivity of Sb- or Al-doped n-type Mg2Si concurrently incorporated with Zn

    • Author(s)
      A. Shimodate, T. Iida, Y. Nishio, K. Nishio, Y. Kogo, A. Yasumori, Y. Taguchi, T. Sakamoto, N. Hirayama, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2014 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Year and Date
      2014-11-30 – 2014-12-05
    • Data Source
      KAKENHI-PROJECT-24246050
  • [Presentation] Output power measurement of n-type Mg2Si thermoelectric chips and elemental unileg couples

    • Author(s)
      D. Kobayashi, T. Iida, A. Kawakami, Y. Nishio, K. Nishio, Y. Kogo, A. Yasumori, N. Hirayama, and Y. Takanashi
    • Organizer
      MATERIALS RESEARCH SOCIETY, 2014 Fall Meeting
    • Place of Presentation
      Boston, USA
    • Year and Date
      2014-11-30 – 2014-12-05
    • Data Source
      KAKENHI-PROJECT-24246050
  • 1.  IIDA Tsutomu (20297625)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 46 results
  • 2.  NISHIO Keishi (90307710)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 3.  FUNASHIMA Hiroki (60434049)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 4.  KOGO Yasuo (60249935)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 34 results

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