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Development of High-brightness Spin Polarized Electron Source

Research Project

Project/Area Number 18360023
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Thin film/Surface and interfacial physical properties
Research InstitutionMie University

Principal Investigator

HATA Koichi  Mie University, 大学院・工学研究科, 准教授 (30228465)

Co-Investigator(Kenkyū-buntansha) SHIMIZU Tetsuo  (独)産業技術総合研究所, ナノテクノロジー研究部門, 主任研究員 (40357215)
SATO Hideki  三重大学, 大学院・工学研究科, 准教授 (40324545)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥17,110,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2006: ¥9,700,000 (Direct Cost: ¥9,700,000)
Keywordsスピン偏極電子源 / 電界電子放出 / スピントロニクス / ハーフメタル / ホイスラー合金 / 強磁性体 / マグネタイト / Verwey転移 / カーボンナノチューブ / 磁性体
Research Abstract

カーボンナノチューブ(CNT)成長の触媒金属になり得るハーフメタル強磁性体からの電界放出電子のスピン偏極度の測定を行った。Co2MnSi薄膜表面からの電界放出電子のスピン偏極度は、室温で10~47%の高い値で得られた。また<110>配向単結晶マグネタイトウィスカーからの電界放出電子のスピン偏極度は、Verwey転移温度で約5%から最大14%まで増加した。以上の結果から、ハーフメタル材料は電界放出型スピン偏極電子源の陰極材料として適していることが示唆され、またこれらハーフメタルを触媒に用いたCNTには、スピン注入が行える可能性が示された。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (41 results)

All 2009 2008 2007 2006 Other

All Journal Article (15 results) (of which Peer Reviewed: 5 results) Presentation (24 results) Book (1 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Spin polarization of Field Emitted Electrons from Ferromagnetic Half-metallic Heusler Alloy Co_2MnSi2008

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, KoichiHata
    • Journal Title

      Surface and Interface Analysis 40

      Pages: 1673-1676

    • Related Report
      2008 Final Research Report
  • [Journal Article] Spin polarization of Field Emitted Electrons from Ferromagnetic Half-metallic Heusler Alloy Co_2MnSi2008

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Journal Title

      Surface and Interface Analysis 40

      Pages: 1673-1676

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Desorption of Adsorbed Gas Molecule on a Pentagon at a Tip of Carbon Nanotube by Pulse Laser Irradiation2007

    • Author(s)
      Shunsaku Waki, Koichi Hata, Hideki Sato, Yahachi Saito
    • Journal Title

      J. Vac. Sci & Technol. (印刷中)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Development of compact SEM equipped with carbon nanotubes bundle field emission cathode2007

    • Author(s)
      Ryosuke Yabushita, Koichi Hata, Hideki Sato, Yahachi Saito
    • Journal Title

      J. Vac. Sci & Technol. (印刷中)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Low temperature growth of carbon nanotubes by alcohol catalytic chemical vapor deposition for field emitter applications2007

    • Author(s)
      Hideki Sato, Koichi Hata, Ken Hiasa, Yahachi Saito
    • Journal Title

      J. Vac. Sci & Technol. (印刷中)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Growth control of carbon nanotubes by plasma- enhanced chemical vapor deposition and reactive ion etching2006

    • Author(s)
      Hideki Sato, Koichi Hata, 他6名
    • Journal Title

      Vacuum 80, No.7

      Pages: 798-801

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Effect of catalyst oxidation on the growth of carbon nanotubes by thermal chemical vapor deposition2006

    • Author(s)
      Hideki Sato, Yasunori Hori, Koichi Hata, 他3名
    • Journal Title

      Journal of Applied Physics 100, No.10

      Pages: 104321-6

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Growth of Carbon Nanotubes by Plasma-Enhanced Chemical Vapor Deposition2006

    • Author(s)
      Hideki Sato, Koichi Hata
    • Journal Title

      New Diamond and Frontier Carbon Technology 16, No.3

      Pages: 163-176

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Fabrication of a Spin-polarized Electron Source with a Single Magnetite Whisker

    • Author(s)
      M. Okada, Y. Neo, S. Nagai, K. Hata, H. Mimura
    • Journal Title

      Japanese Journal of Applied physics (in press)

    • NAID

      210000066931

    • Related Report
      2008 Final Research Report
  • [Journal Article] Verwey transition in spin polarization of field emitted electrons from<110>-oriented single crystal magnetite whisker

    • Author(s)
      S. Nagai, K. Hata, M. Okada, H. Mimura
    • Journal Title

      Applied Surface Science (in press)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Spin polarization of fieldemitted electrons from half-metallic Co_2MnSi thin films grown on a W(001)facet

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, KoichiHata
    • Journal Title

      Ultramicroscopy (in press)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Spin polarization of field-emitted electrons from half-metallic Co_2MnSi thin films grown on a W(001) facet

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Journal Title

      Ultramicroscopy (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Verwey transition in spin polarization of field emitted electrons from<110>-oriented single crystal magnetite whisker

    • Author(s)
      S. Nagai, K. Hata, M. Okada, H. mimura
    • Journal Title

      Applied Surface Science (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fabrication of a Spin-polarized Electron Source with a Single Magnetite Whisker

    • Author(s)
      M. Okada, Y. Neo, S. Nagai, K. Hata, H. Mimura
    • Journal Title

      Japanese Journal of Applied physics (印刷中)

    • NAID

      210000066931

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin polarization of Field Emitted Electrons from Ferromagnetic Half-metallic Heusler Alloy Co_2MnSi

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Journal Title

      Surface and Interface Analysis (印刷中)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 単結晶マグネタイトウィスカーからの電界放出電子のスピン偏極度の安定性2009

    • Author(s)
      永井滋一, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      平成21年春季第56回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学(1a-X-21)
    • Year and Date
      2009-04-01
    • Related Report
      2008 Final Research Report
  • [Presentation] 単結晶マグネタイトウィスカーからの電界放出電子のスピン偏極度の安定性2009

    • Author(s)
      永井滋一, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第56回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] ハーフメタル強磁性体からのスピン偏極電子の電界放出2009

    • Author(s)
      (招待講演)永井滋一, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第6回真空ナノエレクトロニクスシンポジウム
    • Place of Presentation
      大阪大学(招待講演)
    • Year and Date
      2009-03-04
    • Related Report
      2008 Final Research Report
  • [Presentation] ハーフメタル強磁性体からのスピン偏極電子の電界放出2009

    • Author(s)
      永井滋一, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第6回真空ナノエレクトロニクスシンポジウム
    • Place of Presentation
      大阪大学
    • Year and Date
      2009-03-04
    • Related Report
      2008 Annual Research Report
  • [Presentation] 単結晶マグネタイトウィスカーからの電界放出電子におけるVerwey転移2008

    • Author(s)
      永井滋一, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第8回日本表面科学回中部支部・学術講演会
    • Place of Presentation
      名古屋大学(17)
    • Year and Date
      2008-12-13
    • Related Report
      2008 Final Research Report
  • [Presentation] 電界放出荷電粒子のための高分解能エネルギー分析器用減速レンズ系のCAD設計2008

    • Author(s)
      松慧之, 永井滋一, 畑浩一
    • Organizer
      第8回日本表面科学回中部支部・学術講演会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2008-12-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] 単結晶マグネタイトウィスカーからの電界放出電子におけるVerwey転移2008

    • Author(s)
      永井滋一, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第8回日本表面科学回中部支部・学術講演会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2008-12-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fabrication of a Spin-polarized Electron Source with a Single Magnetite Whisker2008

    • Author(s)
      M. Okada, Y. Neo, S. Nagai, K. Hata, H. Mimura
    • Organizer
      21^<st> International Microprocesses and Nanotechnology Conference
    • Place of Presentation
      Fukuoka(Japan)
    • Year and Date
      2008-10-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Observation of Verwey Transition for Spin Polarization of Field emitted Electrons from Single Magnetite Whisker2008

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata, Morihiro Okada, Hidenori Mimura
    • Organizer
      The 4th Vacuum and Surface Sciences Conference of Asia and Australia
    • Place of Presentation
      Matsue, Japan(28P111)(272)
    • Year and Date
      2008-10-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Observation of Verwey Transition for Spin Polarization of Field emitted Electrons from Single Magnetite Whisker2008

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata, Morihiro Okada, Hidenori mimura
    • Organizer
      The 4th Vacuum and Surface Sciences Conference of Asia and Australia
    • Place of Presentation
      Matsue(Japan)
    • Year and Date
      2008-10-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 単一マグネタイトウィスカーからの電界放出電子のスピン偏極度におけるVerwey転移の観測2008

    • Author(s)
      永井滋一, 藤原祐司, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第32回日本磁気学会学術講演
    • Place of Presentation
      東北学院大学(15aD-6)
    • Year and Date
      2008-09-15
    • Related Report
      2008 Final Research Report
  • [Presentation] 単一マグネタイトウィスカーからの電界放出電子のスピン偏極度におけるVerwey転移の観測2008

    • Author(s)
      永井滋一, 藤原祐司, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第32回日本磁気学会学術講演
    • Place of Presentation
      東北学院大学
    • Year and Date
      2008-09-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] 単結晶マグネタイトウィスカーからのスピン偏極電界放出電子のVerwey転移2008

    • Author(s)
      永井滋一, 藤原祐司, 畑 浩一, 岡田守弘, 三村秀典
    • Organizer
      平成20年第69回秋季応用物理学会学術講演会
    • Place of Presentation
      中部大学(2a-N-9)
    • Year and Date
      2008-09-02
    • Related Report
      2008 Final Research Report
  • [Presentation] 単結晶マグネタイトウィスカーからのスピン偏極電界放出電子のVerwey転移2008

    • Author(s)
      永井滋一, 藤原祐司, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      第69回秋季応用物理学会学術講演会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] Spin polarization of Field Emitted Electrons from Half-metallic Co_2MnSi Thin Film Grown on W(001)Facet2008

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Organizer
      The 51th International Field Emission Symposium
    • Place of Presentation
      Rouen, France(MO-HFN4)(22)
    • Year and Date
      2008-06-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin polarization of Field Emitted Electrons from Half-metallic Co_2MnSi Thin Film Grown on W(001) Facet2008

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Organizer
      The 51th International Field Emission Symposium
    • Place of Presentation
      Rouen University (France)
    • Year and Date
      2008-06-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] ハーフメタル強磁性体からのスピン偏極電子の電界放出2008

    • Author(s)
      永井滋一, 藤原祐司, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      マイクロビームアナリシス第141委員会第132回研究会
    • Place of Presentation
      三重大学(予稿集)(61-65)
    • Year and Date
      2008-05-14
    • Related Report
      2008 Final Research Report
  • [Presentation] ハーフメタル強磁性体からのスピン偏極電子の電界放出2008

    • Author(s)
      永井滋一, 藤原祐司, 畑浩一, 岡田守弘, 三村秀典
    • Organizer
      日本学術振興会マイクロビームアナリシス第141委員会第132回研究会
    • Place of Presentation
      三重大学
    • Year and Date
      2008-05-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] 電界放出型高輝度スピン偏極電子源の開発III-Co_2MnSi薄膜のアニール・磁場印加によるスピン偏極度の向上2008

    • Author(s)
      永井滋一, 藤原裕司, 畑浩一
    • Organizer
      平成20年春季第55回応用物理学関係連合講演会
    • Place of Presentation
      日本大学(27p-ZN-4)
    • Year and Date
      2008-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] 電界放出型高輝度スピン偏極電子源の開発III-Co_2MnSi薄膜のアニール・磁場印加によるスピン偏極度の向上2008

    • Author(s)
      永井 滋一, 藤原 裕司, 畑 浩一
    • Organizer
      第55回応用物理学関係連合講演会
    • Place of Presentation
      日本大学
    • Year and Date
      2008-03-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] Spin polarization of Field Emitted Electrons from Ferromagnetic Halfmetallic Heusler Alloy Co_2MnSi2007

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Organizer
      6th International Symposium on Atomic Level Characterizations for New Materials and Devices '07
    • Place of Presentation
      Kanazawa Art Hall(TuP-22, 45)
    • Year and Date
      2007-10-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin polarizationo f FieldE mitted Electrons fromF erromagnetic Half-metallic Heusler Alloy Co_2MnSi2007

    • Author(s)
      Shigekazu Nagai, Yuji Fujiwara, Koichi Hata
    • Organizer
      6th International Symposium on Atomic Level Characterizations for New Materials and Devices '07
    • Place of Presentation
      Kanazawa Art Hall, Japan
    • Year and Date
      2007-10-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] 電界放出型高輝度スピン偏極電子源の開発II-ハーフメタル強磁性体Co2MnSiからの電界放出電子のスピン偏極度-2007

    • Author(s)
      永井滋一, 藤原裕司, 平山学, 畑浩一
    • Organizer
      平成19年春季第54回応用物理学関係連合講演会
    • Place of Presentation
      青山学院大学(29p-ZV-8)
    • Year and Date
      2007-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 電界放出型高輝度スピン偏極電子源の開発II-ハーフメタル強磁性体Co_2MnSiからの電界放出電子のスピン偏極度2007

    • Author(s)
      永井 滋一, 藤原 裕司, 平山 学, 畑 浩一
    • Organizer
      第54回応用物理学関係連合講演会
    • Place of Presentation
      青山学院大学
    • Year and Date
      2007-03-29
    • Related Report
      2007 Annual Research Report
  • [Book] NEW DIAMOND"多層カーボンナノチューブの電界電子放出における素過程とデバイス応用"2006

    • Author(s)
      畑 浩一
    • Total Pages
      52
    • Publisher
      (株)エヌ・ピー・エス
    • Related Report
      2006 Annual Research Report
  • [Patent(Industrial Property Rights)] スピン偏極電子源及びその製造方法2008

    • Inventor(s)
      畑浩一, 永井滋一, 岡田守弘
    • Industrial Property Number
      2005-267899
    • Filing Date
      2008-08-08
    • Related Report
      2008 Annual Research Report 2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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