• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Fabrication of completely feffomagnetic pn junction diode based on iron oxide thin films

Research Project

Project/Area Number 26600092
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Thin film/Surface and interfacial physical properties
Research InstitutionThe University of Tokyo

Principal Investigator

Seki Munetoshi  東京大学, 工学(系)研究科(研究院), 助教 (40432439)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords酸化鉄 / パルスレーザー堆積法 / 強磁性半導体 / 酸化物スピントロニクス / フェリ磁性酸化物 / 酸化鉄半導体
Outline of Final Research Achievements

Epitaxial thin films of iron oxides with high spin polarization were fabricated using pulsed laser deposition toward the spin rectifying devices. Single crystalline-Si-substituted Fe2O3 thin films were formed using two-step laser ablation technique. They exhibited ferromagnetic behavior and spin polarization of 31% at room temperature. We also succeeded in fabricating the epitaxial thin films of p-type transparent Si:FeO using pulsed laser deposition. In the double layer structure of Fe3O4/Si:FeO, spin-polarized carriers were injected into the Si:FeO layer from the Fe3O4 ferromagnetic layer at room temperature.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (29 results)

All 2016 2015 2014

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (23 results) (of which Int'l Joint Research: 3 results,  Invited: 10 results)

  • [Journal Article] Evaluation of hydration in a water-soluble polymer by terahertz spectroscopy2016

    • Author(s)
      Shunsuke Kawabe, Munetoshi Seki, and Hitoshi Tabata
    • Journal Title

      Applied Physics Letters

      Volume: 108 Issue: 8 Pages: 81103-81103

    • DOI

      10.1063/1.4942411

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin-glass behaviors in carrier polarity controlled Fe3-xTixO4 semiconductor thin film2015

    • Author(s)
      H. Yamahara, M. Seki, M. Adachi, M. Takahashi, H. Nasu, K. Horiba, H. Kumigashira and H. Tabata
    • Journal Title

      J.Appl.Phys.

      Volume: 118 Issue: 6 Pages: 0639051-0639057

    • DOI

      10.1063/1.4928408

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Long-term potentiation of magnonic synapses by photocontrolled spin current mimicked in reentrant spin-glass garnet ferrite Lu3Fe5-2xCoxSixO12 thin films2015

    • Author(s)
      Masaki Adachi, Munetoshi Seki, Hiroyasu Yamahara, Hidekazu Nasu, and Hitoshi Tabata
    • Journal Title

      Applied Physics Express

      Volume: 8 Issue: 4 Pages: 0430021-4

    • DOI

      10.7567/apex.8.043002

    • NAID

      210000137466

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] High-Temperature Terahertz Absorption Band in Rare-Earth Gallium2014

    • Author(s)
      M. Adachi, H. Matsui, M. Seki, H. Yamahara and Hitoshi Tabata
    • Journal Title

      PHYSICAL REVIEW B

      Volume: 91 Issue: 8 Pages: 0851181-7

    • DOI

      10.1103/physrevb.91.085118

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Fabrication and characterization of wustite-based epitaxial thin films: p-type wide-gap oxide semiconductors composed of abundant elements2014

    • Author(s)
      M. Seki, M. Takahashi, M. Adachi, H. Yamahara and H. Tabata
    • Journal Title

      Appl. Phys. Lett.

      Volume: 105 Issue: 11 Pages: 112105-112105

    • DOI

      10.1063/1.4896316

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Highly spin-polarized current in Co-substituted Fe3O4 epitaxial thin films at room temperature2014

    • Author(s)
      M. Takahashi, T. Oshima, H. Yamahara, M. Seki and H. Tabata,
    • Journal Title

      Journal of Appl. Phys.

      Volume: 116 Issue: 21 Pages: 2139071-4

    • DOI

      10.1063/1.4903215

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Presentation] Fe2O3-based tunable ferromagnetic semiconductors with high spin polarization at room temperature2016

    • Author(s)
      Munetoshi Seki
    • Organizer
      Annual World Congress of Smart Materials-2016
    • Place of Presentation
      Singapore, Singapore
    • Year and Date
      2016-03-06
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Functional devices based on iron oxide heterostructure2015

    • Author(s)
      Munetoshi Seki
    • Organizer
      CEMS Topical Meeting on Oxide Interfaces
    • Place of Presentation
      理化学研究所大河内記念ホール、埼玉県和光市
    • Year and Date
      2015-11-06
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] Photoelectrochemical Water Splitting without External Applied Voltage Using Iron Oxide Electrodes2015

    • Author(s)
      Munetoshi Seki
    • Organizer
      The 5th Annual World Congress of Nano Science and Technology-2015
    • Place of Presentation
      Xian, China
    • Year and Date
      2015-09-25
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Photoelectrochemical Water Splitting without External Appied Voltage Using Iron Oxide Electrodes2015

    • Author(s)
      Munetoshi Seki, Masaki Adachi, Masanao Takahashi, Hiroyasu Yamahara, and Hitoshi Tabata
    • Organizer
      Nano Science and Technology-2015
    • Place of Presentation
      Xi'an, China
    • Year and Date
      2015-09-24 – 2015-09-26
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Highly spin polarization at room temperature in iron oxide-based ferromagnetic semiconductors2015

    • Author(s)
      Munetoshi and Hitoshi Tabata
    • Organizer
      Energy Materials Nanotechnology 2015
    • Place of Presentation
      Phuket, Thailand
    • Year and Date
      2015-05-06
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] High spin polarization at room temperature in iron oxide-based ferromagnetic semiconductors2015

    • Author(s)
      Munetoshi Seki
    • Organizer
      Energy Materials Nanotechnology 2015
    • Place of Presentation
      Phuket, Thailand
    • Year and Date
      2015-05-05
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] P型透明酸化物半導体Si:FeOのエピタキシャル薄膜の形成2015

    • Author(s)
      関 宗俊、シャモハディ アミン、高橋 雅尚、足立 真輝、那須 英和、山原 弘靖、田畑 仁
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学、神奈川県
    • Year and Date
      2015-03-11
    • Related Report
      2014 Research-status Report
  • [Presentation] スピネル型フェライト(Fe,Ti)3O4薄膜のキャリア極性制御2015

    • Author(s)
      山原 弘靖、足立 真輝、高橋 雅尚、関 宗俊、堀場 弘司、組頭 広志、田畑 仁
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学、神奈川県
    • Year and Date
      2015-03-11
    • Related Report
      2014 Research-status Report
  • [Presentation] パルスレーザー蒸着法を用いたNd3Fe5O12薄膜作製とその磁気特性2015

    • Author(s)
      那須 英和、足立 真輝、山原 弘靖、関 宗俊、 田畑 仁
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学、神奈川県
    • Year and Date
      2015-03-11
    • Related Report
      2014 Research-status Report
  • [Presentation] Lu3Fe5-2xCoxSixO12薄膜におけるリエントラントクラスターグラス特性2015

    • Author(s)
      足立 真輝、那須 英和、山原 弘靖、関 宗俊、松井 裕章、田畑 仁
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学、神奈川県
    • Year and Date
      2015-03-11
    • Related Report
      2014 Research-status Report
  • [Presentation] High-frequency magnetic resonance in strained rare-earth iron garnet thin films2015

    • Author(s)
      Masaki Adachi, Hidekazu Nasu, HIroyasu Yamahara, Munetoshi Seki, Hiroaki Matsui, Hitoshi Tabata
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学、神奈川県
    • Year and Date
      2015-03-11
    • Related Report
      2014 Research-status Report
  • [Presentation] 希土類ガーネット薄膜における電界誘起スピン波とエピタキシャル歪相関2014

    • Author(s)
      足立 真輝、那須 英和、山原 弘靖、関 宗俊、松井 裕章、田畑 仁
    • Organizer
      第19回半導体スピン工学の基礎と応用
    • Place of Presentation
      東京大学、東京都
    • Year and Date
      2014-12-16
    • Related Report
      2014 Research-status Report
  • [Presentation] Highly spin-polarized current in Co-substituted Fe3O4 epitaxial thin films at room temperature and construction of magnetic tunnel junction device2014

    • Author(s)
      Masanao Takahashi, Hiroyasu Yamahara, Munetoshi Seki, and Hitoshi Tabata
    • Organizer
      The 3rd International Workshop on Nanoscale Electron-Photon Interactions via Energy Dissipation and Fluctuation
    • Place of Presentation
      東京大学、東京都
    • Year and Date
      2014-11-17
    • Related Report
      2014 Research-status Report
  • [Presentation] Electrically-induced ultrafast spin wave in rare-earth garnet ferrite with an asymmetric epitaxial stress2014

    • Author(s)
      Masaki Adachi, Hidekazu Nasu, Hiroyasu Yamahara, Munetoshi Seki, Hiroaki Matsui, and Hitoshi Tabata
    • Organizer
      The 3rd International Workshop on Nanoscale Electron-Photon Interactions via Energy Dissipation and Fluctuation
    • Place of Presentation
      東京大学、東京都
    • Year and Date
      2014-11-17
    • Related Report
      2014 Research-status Report
  • [Presentation] Enhanced photoactivity of α-Fe2O3 electrode by bandgap engineering and surface plasmon technique for high-efficiency water splitting2014

    • Author(s)
      Munetoshi Seki and Hitoshi Tabata
    • Organizer
      Nano Science and Technology-2014
    • Place of Presentation
      Qingdao, China
    • Year and Date
      2014-10-30
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Electromagnon States of Dipole-Spin Ordered Garnet Ferrite Films Measured by Terahertz-Time Domain Spectroscopy2014

    • Author(s)
      Masaki Adachi, Hiroyasu Yamahara, Munetoshi Seki, and Hitoshi Tabata
    • Organizer
      The 21th International Workshop on Oxide Electronics
    • Place of Presentation
      New York, United States
    • Year and Date
      2014-09-30
    • Related Report
      2014 Research-status Report
  • [Presentation] 鉄さび(酸化鉄)半導体の光・電子機能制御2014

    • Author(s)
      関 宗俊、田畑 仁
    • Organizer
      日本学術振興会 ワイドギャップ半導体光・電子デバイス第162委員会 第92回研究会
    • Place of Presentation
      京都大学東京オフィス、東京都
    • Year and Date
      2014-09-26
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Terahertz Magnonics Using Ultrathin Films of Samarium Ferrite Garnet2014

    • Author(s)
      Masaki Adachi, Hiroyasu Yamahara, Munetoshi Seki, Hiroaki Matsui, and Hitoshi Tabata
    • Organizer
      The 39th International Conference on Infrared, Millimeter, and THz Waves
    • Place of Presentation
      Arizona, United States
    • Year and Date
      2014-09-18
    • Related Report
      2014 Research-status Report
  • [Presentation] スピネル型フェライト(Fe,Ti)3O4薄膜の電気伝導性制御2014

    • Author(s)
      山原 弘靖、高橋 雅尚、関 宗俊、田畑 仁
    • Organizer
      第75回応用物理学会秋季学術講演会
    • Place of Presentation
      北海道大学、北海道
    • Year and Date
      2014-09-17
    • Related Report
      2014 Research-status Report
  • [Presentation] Excitation of Electric-Field-induced Spin Wave in the Strained Garnet Ferrite Thin Films Using Sub- Picosecond Pulsed Wave2014

    • Author(s)
      Masaki Adachi, Hiroyasu, Yamahara, Munetoshi Seki, Hiroaki Matsui, and Hitoshi Tabata
    • Organizer
      The 46th International Conference on Solid State Devices and Materials
    • Place of Presentation
      筑波国際会議場、茨城県
    • Year and Date
      2014-09-09
    • Related Report
      2014 Research-status Report
  • [Presentation] フェライトエンジニアリング: ありふれた元素でつくる室温スピン・光・電子機能材料2014

    • Author(s)
      関 宗俊
    • Organizer
      Core-to-Core若手研究者育成プログラムセミナー
    • Place of Presentation
      東京大学、東京都
    • Year and Date
      2014-07-17
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] 磁性絶縁体希土類フェライトガーネット薄膜におけるエピタキシャル歪-磁気特性相関2014

    • Author(s)
      足立 真輝、山原 弘靖、関 宗俊、松井 裕章、田畑 仁
    • Organizer
      基盤S研究会「多自由度放射光X線二色性分光による強相関系界面新規電子相の研究」
    • Place of Presentation
      熱海KKRホテル、神奈川県
    • Year and Date
      2014-07-14
    • Related Report
      2014 Research-status Report
  • [Presentation] ron oxide engineering for solar energy harvesting and room temperature spintronics2014

    • Author(s)
      Munetoshi Seki
    • Organizer
      Netherlands-Japan Workshop on Oxide Electronics and Related Sciences
    • Place of Presentation
      Twente, Netherlands
    • Year and Date
      2014-06-04
    • Related Report
      2014 Research-status Report
    • Invited

URL: 

Published: 2014-04-04   Modified: 2017-05-10  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi