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2016 Fiscal Year Annual Research Report

Variety of physical properties of hetero-junction with ordered alloys and the spin devices

Research Project

Project/Area Number 24226001
Research InstitutionTohoku University

Principal Investigator

安藤 康夫  東北大学, 工学研究科, 教授 (60250726)

Co-Investigator(Kenkyū-buntansha) 大兼 幹彦  東北大学, 工学研究科, 准教授 (50396454)
永沼 博  東北大学, 工学研究科, 助教 (60434023)
Project Period (FY) 2012-05-31 – 2017-03-31
Keywordsスピンデバイス / ヘテロ接合 / 規則合金 / ホイスラー合金 / L10合金 / マルチフェロ材料 / トンネル接合
Outline of Annual Research Achievements

前年度までに開発したL10構造を有するMnAl薄膜は非常に大きな磁気異方性と小さな磁気緩和定数を示す一方で,薄膜作製時の基板温度が高いことで表面平坦性が悪いことが問題であった.今年度は,成膜後に適切な熱処理を施すことで良好な磁気特性を保持しつつ,表面平坦性を劇的に改善できた.開発したL10-MnAl薄膜は10ナノメートル程度の超微小なトンネル磁気抵抗(MTJ)素子に応用可能である.
これまでにCo2(Fe0.4Mn0.6)Siホイスラー合金が高いスピン分極率と非常に小さい磁気緩和定数を示すことを明らかにしてきた.今年度は,アモルファスのSiO2基板上に多結晶のホイスラー合金薄膜の作製を試みた.その結果,Ta/CoFeB/MgO下地層上に高規則度かつ高(001)配向を有するホイスラー合金薄膜を作製することができた.さらに,最適条件で作製したホイスラー合金薄膜を電極としたMTJ素子においてエピタキシャル膜と同等のTMR効果を観測することに成功した.
L10-FePd電極上にペロブスカイト型のSrTiO3エピタキシャルトンネル絶縁膜の作製を試みた.FePdとSrTiO3界面に極薄のPd薄膜を挿入し,また,成膜温度を最適化することでエピタキシャル成長したSrTiO3トンネル絶縁層を作製することができた.SrTiO3トンネル絶縁層は低抵抗かつ高TMRのMTJ素子に応用可能である.
極薄かつ高品質のBiフェライト薄膜をLaSrMnO3強磁性層上に作製することに成功した.マルチフェロイック特性を示すトンネル絶縁層を有するMTJ素子は,電界効果を利用した新しいスピンデバイスの創成に結び付く画期的な成果である.
以上の規則合金を用いたヘテロ接合は,従来のスピンデバイスの性能を凌駕する可能性があり,また多彩な物理現象を示すことから,全く新しいスピンデバイスの創成につながるものである.

Research Progress Status

28年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

28年度が最終年度であるため、記入しない。

  • Research Products

    (54 results)

All 2017 2016

All Journal Article (14 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 13 results,  Acknowledgement Compliant: 8 results) Presentation (40 results) (of which Int'l Joint Research: 15 results,  Invited: 5 results)

  • [Journal Article] Magnetic tunnel junctions using perpendicularly magnetized synthetic antiferromagnetic reference layer for wide-dynamic-range magnetic sensors2017

    • Author(s)
      Takafumi Nakano, Mikihiko Oogane, Takamoto Furuichi, and Yasuo Ando
    • Journal Title

      Applied Physics Letters

      Volume: 110 Pages: 012401

    • DOI

      10.1063/1.4973462

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Estimation of surface crack dimensional characteristics using an eddy current method with a single magnetic tunnel junction device2017

    • Author(s)
      Zhenhu Jin, Masahiko Abe, Mikihiko Oogane, Kousuke Fujiwara, and Yasuo Ando
    • Journal Title

      Jpn. J. Appl. Phys.

      Volume: 印刷中 Pages: 印刷中

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] L10-ordered MnAl thin films with high perpendicular magnetic anisotropy2017

    • Author(s)
      Mikihiko Oogane, Kenta Watanabe, Haruaki Saruyama, Masaki Hosoda, Parvin Shahanaz, Yuta Kurimoto, Miho Kubota, and Yasuo Ando
    • Journal Title

      Jpn. J. Appl. Phys.

      Volume: 印刷中 Pages: 印刷中

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Cobalt Substituted L10-MnAl Thin Films with Large Perpendicular Magnetic Anisotropy2017

    • Author(s)
      K. Watanabe, M. Oogane, and Y. Ando
    • Journal Title

      Jpn. J. Appl. Phys.

      Volume: 印刷中 Pages: 印刷中

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 強磁性トンネル接合素子を用いた生体磁気センサの開発2017

    • Author(s)
      安藤康夫
    • Journal Title

      応用物理

      Volume: 86 Pages: 305-309

    • Acknowledgement Compliant
  • [Journal Article] Magnetic Tunnel Junctions with [Co/Pd]-Based Reference Layer and CoFeB Sensing Layer for Magnetic Sensor2016

    • Author(s)
      Takafumi Nakano, Mikihiko Oogane, Takamoto Furuichi, Kenichi Ao, Hiroshi Naganuma, and Yasuo Ando
    • Journal Title

      IEEE Trans. Magn

      Volume: 52 Pages: 4001304

    • DOI

      10.1109/TMAG.2016.2518188

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Modification of the Interface Nanostructure and Magnetic Properties in Nd-Fe-B Thin Films2016

    • Author(s)
      Kunihiro Koike, Takanao Kusano, Daisuke Ogawa, Keisuke Kobayashi, Hiroaki Kato, Mikihiko Oogane, Takamichi Miyazaki, Yasuo Ando and Masaru Itakura
    • Journal Title

      Nanoscale Research Letters

      Volume: 11 Pages: 33

    • DOI

      10.1186/s11671-016-1227-x

    • Peer Reviewed
  • [Journal Article] Fabrication of highly ordered Co2Fe0.4Mn0.6Si Heusler alloy films on Si substrates2016

    • Author(s)
      Takeo Koike, Mikihiko Oogane, Atsuo Ono and Yasuo Ando
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 55 Pages: 088001

    • DOI

      10.7567/JJAP.55.088001

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Magnetic field-controlled hysteresis loop bias in orthogonal exchange-spring coupling composite magnetic films2016

    • Author(s)
      Jun Jiang, Tian Yu, Rui Pan, Qin-Tong Zhang, Pan Liu, Hiroshi Naganuma, Mikihiko Oogane, Yasuo Ando and Xiufeng Han
    • Journal Title

      Applied Physics Express

      Volume: 9 Pages: 063003

    • DOI

      10.7567/APEX.9.063003

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Observation of single-spin transport in an islandshaped CoFeB double magnetic tunnel junction prepared by magnetron sputtering2016

    • Author(s)
      Thamrongsin Siripongsakul, Hiroshi Naganuma, Andras Kovacs, Amit Kohn,Mikihiko Oogane & Yasuo Ando
    • Journal Title

      Philosophical Magazine

      Volume: 96 Pages: 310-319

    • DOI

      10.1080/14786435.2015.1131343

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Low frequency noise in magnetic tunneling junctions with Co40Fe40B20/Co70.5Fe4.5Si15B10 composite free layer2016

    • Author(s)
      Z.H. Yuan, J.F. Feng, Peng Guo, C.H. Wan, H.X. Wei, S.S. Ali, X.F. Han, T. Nakano, H. Naganuma, Y. Ando
    • Journal Title

      Journal of Magnetism and Magnetic Materials

      Volume: 398 Pages: 215-219

    • DOI

      10.1016/j.jmmm.2015.09.026

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Quantification of a propagating spin-wave-packet created by an ultrashort laser pulse in a thin film of magnetic metal2016

    • Author(s)
      S. Iihama, Y. Sasaki, A. Sugihara, A. Kamimaki, Y. Ando, S. Mizukami
    • Journal Title

      PHYSICAL REVIEW B

      Volume: 94 Pages: 020401

    • DOI

      10.1103/PhysRevB.94.020401

    • Peer Reviewed
  • [Journal Article] Structural and magnetic properties of cubic and tetragonal Heusler alloy bilayers2016

    • Author(s)
      R. Ranjbar, K. Suzuki, A. Sugihara, Q.L. Ma, X.M. Zhang, Y. Ando, T. Miyazaki, S. Mizukami
    • Journal Title

      Materials & Design

      Volume: 96 Pages: 490-498

    • DOI

      10.1016/j.matdes.2016.02.047

    • Peer Reviewed
  • [Journal Article] Investigation of magnetic sensor properties of magnetic tunnel junctions with superparamagnetic free layer at low frequencies for biomedical imaging applications2016

    • Author(s)
      K. Ishikawa, M. Oogane, K. Fujiwara, J. Jono, M. Tsuchida, and Y. Ando
    • Journal Title

      Jpn. J. Appl. Phys

      Volume: 55 Pages: 123001

    • DOI

      10.7567/JJAP.55.123001

    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Measurement of magneto cardiogram using magnetic tunnel junctions2017

    • Author(s)
      Z. Zheng, K. Yoshida, K. Fujiwara, M. Oogane, Y. Ando, J. Jono and M. Tsuchida
    • Organizer
      10th Thailand-International Metallurgy Conference (TIMETC10)
    • Place of Presentation
      Bangkok, Thailand
    • Year and Date
      2017-03-30 – 2017-03-31
    • Int'l Joint Research
  • [Presentation] Influence of Ru buffer layer on perpendicular magnetic anisotropy of Co/Pt multilayer2017

    • Author(s)
      T. Ogasawara, T. Nakano, M. Oogan and Y. Ando
    • Organizer
      10th Thailand-International Metallurgy Conference (TIMETC10)
    • Place of Presentation
      Bangkok, Thailand
    • Year and Date
      2017-03-30 – 2017-03-31
    • Int'l Joint Research
  • [Presentation] Estimation of surface cracks dimensional characteristics using eddy current method with magnetic tunnel junction device2017

    • Author(s)
      Z. Jin, K. Fujiwara, M. Oogane and Y. Ando
    • Organizer
      10th Thailand-International Metallurgy Conference (TIMETC10)
    • Place of Presentation
      Bangkok, Thailand
    • Year and Date
      2017-03-30 – 2017-03-31
    • Int'l Joint Research
  • [Presentation] SrTiO3基板上へのCo2Fe0.4Mn0.6Siホイスラー合金薄膜の作製と評価2016

    • Author(s)
      稲葉 仁,小池 剛央,大兼 幹彦,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] Co2Fe0.4Mn0.6Siホイスラー合金薄膜を用いたn型Geへのスピン注入2016

    • Author(s)
      小池 剛央, 大兼 幹彦,小野 敦央,高田 哲朗,齋藤 秀和,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] Co2-x(Fe0.4Mn0.6)1+xSiホイスラー合金電極強磁性トンネル接合の磁気抵抗効果2016

    • Author(s)
      堀内 伸一,大兼 幹彦,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] フェリ磁性Mn基フルホイスラーエピタキシャル薄膜の磁気特性評価2016

    • Author(s)
      福田 健二, 大兼 幹彦,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] 低発塵MgOターゲットを用いて作製した強磁性トンネル接合の磁気抵抗特性2016

    • Author(s)
      我妻 直樹,大兼 幹彦,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] SrTiO3基板上へのL10-FePd/SrTiO3薄膜の作製2016

    • Author(s)
      舟越 翔平, 永沼 博,大兼 幹彦,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] 垂直磁化強磁性トンネル接合のためのL10型MnAl薄膜の作製2016

    • Author(s)
      渡部 健太,大兼 幹彦,窪田 美穂,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] 微小磁場領域におけるMTJの磁場センサ特性2016

    • Author(s)
      荒井 雄貴,加藤 大樹,藤原 耕輔,大兼 幹彦,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] MTJ磁場センサの生体磁場応用に向けた磁束コンセントレータによる高感度・低ノイズ化2016

    • Author(s)
      吉田 一貴,大兼 幹彦,城野 純一,藤原 耕輔,土田 匡章,安藤 康夫
    • Organizer
      第71回応用物理学会東北支部学術講演会
    • Place of Presentation
      仙台市:東北大学大学院工学研究科青葉記念会館
    • Year and Date
      2016-12-01 – 2016-12-02
  • [Presentation] Magnetic tunnel junction with ferromagnetic ordered alloys2016

    • Author(s)
      M. Oogane, A Ono and Y. Ando
    • Organizer
      Tohoku-Cambridge-CNRS Core-to-Core Program Symposium
    • Place of Presentation
      Research Institute of Electrical Communication, Tohoku University, Sendai, Japan
    • Year and Date
      2016-11-16 – 2016-11-16
    • Int'l Joint Research / Invited
  • [Presentation] Detectivity of Highly Sensitive MTJ arrays for bio-magnetic field sensor2016

    • Author(s)
      S. Cakir, D. Kato, K. Fujiwara, J. Jono, M. Oogane and Y. Ando
    • Organizer
      61st Annual Conference on Magnetism and Magnetic Materials(MMM2016)
    • Place of Presentation
      New Orleans, USA
    • Year and Date
      2016-10-31 – 2016-11-04
    • Int'l Joint Research
  • [Presentation] Evaluation of Superficial Crack Depth Using Eddy Current Method with Magnetic Tunnel Junction2016

    • Author(s)
      Z. Jin, M. Abe, K. Fujiwara, M. Oogane and Y. Ando
    • Organizer
      61st Annual Conference on Magnetism and Magnetic Materials(MMM2016)
    • Place of Presentation
      New Orleans, USA
    • Year and Date
      2016-10-31 – 2016-11-04
    • Int'l Joint Research
  • [Presentation] Magnetic Field Sensor Performance in Magnetic Tunnel Junctions with Amorphous CoFeSiB Electrode for Biomagentic Field Sensor Devices2016

    • Author(s)
      D. Kato, M. Oogane, K. Fujiwara, Y. Arai, J. Jono, H. Naganuma, M. Tsuchida and Y. Ando
    • Organizer
      61st Annual Conference on Magnetism and Magnetic Materials(MMM2016)
    • Place of Presentation
      New Orleans, USA
    • Year and Date
      2016-10-31 – 2016-11-04
    • Int'l Joint Research
  • [Presentation] Tunnel magneto-resistance using ferromagnetic ordered alloys2016

    • Author(s)
      M. Oogane, Y. Ando
    • Organizer
      2016 EMN on Spintronics
    • Place of Presentation
      Las Vegas, USA
    • Year and Date
      2016-10-11 – 2016-10-11
    • Int'l Joint Research / Invited
  • [Presentation] 半導体へのスピン注入へ向けたSrTiO3 基板上へのCo2Fe0.4Mn0.6Si 薄膜の作製2016

    • Author(s)
      稲葉 仁, 小池 剛央, 大兼 幹彦, 安藤 康夫
    • Organizer
      第77回 応用物理学会秋季学術講演会
    • Place of Presentation
      新潟市:朱鷺メッセ
    • Year and Date
      2016-09-13 – 2016-09-16
  • [Presentation] ホイスラー合金Co2-x(Fe0.4Mn0.6)1+xSi を用いた強磁性トンネル接合の作製2016

    • Author(s)
      堀内 伸一, 大兼 幹彦, 安藤 康夫
    • Organizer
      第77回 応用物理学会秋季学術講演会
    • Place of Presentation
      新潟市:朱鷺メッセ
    • Year and Date
      2016-09-13 – 2016-09-16
  • [Presentation] Magnetoresistance in the Junction with Multiferroic BiFeO32016

    • Author(s)
      Tomohiro Ichinose, Hiroshi Naganuma,Mikihiko Oogane, Yasuo Ando
    • Organizer
      第77回 応用物理学会秋季学術講演会
    • Place of Presentation
      新潟市:朱鷺メッセ
    • Year and Date
      2016-09-13 – 2016-09-16
  • [Presentation] Detecting superficial cracks by using eddy current method and magnetic tunnel junction devices with varied size2016

    • Author(s)
      Zhenhu Jin, Mikihiko Oogane, Motoki Endo, Kosuke Fujiwara, Yasuo Ando
    • Organizer
      第77回 応用物理学会秋季学術講演会
    • Place of Presentation
      新潟市:朱鷺メッセ
    • Year and Date
      2016-09-13 – 2016-09-16
  • [Presentation] Perpendicular Magnetic Anisotropy in L10-Mn1-xCoxAl Thin Films2016

    • Author(s)
      Kenta Watanabe, Mikihiko Oogane, Miho Kubota, Yasuo Ando
    • Organizer
      第77回 応用物理学会秋季学術講演会
    • Place of Presentation
      新潟市:朱鷺メッセ
    • Year and Date
      2016-09-13 – 2016-09-16
  • [Presentation] Magnetic Tunnel Junction with Amorphous NiFeSiB Electrode for Highly Sensitive Magnetic Field Sensor2016

    • Author(s)
      Daiki Kato, Mikihiko Oogane, Kosuke Fujiwara, Junichi Jono, Hiroshi Naganuma, Masaaki Tsuchida, Yasuo Ando
    • Organizer
      第77回 応用物理学会秋季学術講演会
    • Place of Presentation
      新潟市:朱鷺メッセ
    • Year and Date
      2016-09-13 – 2016-09-16
  • [Presentation] Spin injection into Ge using Co2(FeMn)Si Heusler alloy2016

    • Author(s)
      M. Oogane, T. Koike, A. Ono, T. Takada, H. Saito, Y. Ando
    • Organizer
      第40回 日本磁気学会学術講演会
    • Place of Presentation
      金沢市:金沢大学角間キャンパス
    • Year and Date
      2016-09-05 – 2016-09-08
  • [Presentation] Development of High-Resolution TMR Sensor Device for Application of Bio-Magnetic Field Measurement2016

    • Author(s)
      J. Jono, K. Fujiwara, M. Oogane, M. Tsuchida, Y. Ando
    • Organizer
      第40回 日本磁気学会学術講演会
    • Place of Presentation
      金沢市:金沢大学角間キャンパス
    • Year and Date
      2016-09-05 – 2016-09-08
    • Invited
  • [Presentation] 垂直磁化強磁性トンネル接合のためのL10型MnAl薄膜の作製と磁気特性2016

    • Author(s)
      渡部健太, 大兼幹彦,窪田美穂,安藤康夫
    • Organizer
      第40回 日本磁気学会学術講演会
    • Place of Presentation
      金沢市:金沢大学角間キャンパス
    • Year and Date
      2016-09-05 – 2016-09-08
  • [Presentation] MTJ磁場センサの高感度・低ノイズ化に向けた磁束コンセントレータを用いた磁場変調2016

    • Author(s)
      吉田一貴, 大兼幹彦,城野純一,藤原耕輔,土田匡章,安藤康夫
    • Organizer
      第40回 日本磁気学会学術講演会
    • Place of Presentation
      金沢市:金沢大学角間キャンパス
    • Year and Date
      2016-09-05 – 2016-09-08
  • [Presentation] スピン波デバイス応用に向けたMn基ホイスラー合金エピタキシャル薄膜の作製および磁気特性評価2016

    • Author(s)
      福田健二, 大兼幹彦,安藤康夫
    • Organizer
      第40回 日本磁気学会学術講演会
    • Place of Presentation
      金沢市:金沢大学角間キャンパス
    • Year and Date
      2016-09-05 – 2016-09-08
  • [Presentation] 微小磁場下におけるアモルファスCoFeSiB電極強磁性トンネル接合の磁気抵抗特性2016

    • Author(s)
      加藤大樹, 大兼幹彦,藤原耕輔,荒井雄貴,城野純一,永沼 博,土田匡章,安藤康夫
    • Organizer
      第40回 日本磁気学会学術講演会
    • Place of Presentation
      金沢市:金沢大学角間キャンパス
    • Year and Date
      2016-09-05 – 2016-09-08
  • [Presentation] Fabrication of L10-Mn1-xCoxAl Thin Films for Magnetic Tunnel Junctions2016

    • Author(s)
      K. Watanabe, M. Oogane, M. Kubota, Y. Ando
    • Organizer
      9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids(PASPS 9)
    • Place of Presentation
      Kobe International Conference Center, Kobe City, Japan
    • Year and Date
      2016-08-08 – 2016-08-11
    • Int'l Joint Research
  • [Presentation] Improvement of detectivity in magnetic tunnel junction sensors at low frequency region using superparamagnetic free layer2016

    • Author(s)
      Kyohei Ishikawa
    • Organizer
      EMSA 2016
    • Place of Presentation
      Torino, Italy
    • Year and Date
      2016-07-12 – 2016-07-15
    • Int'l Joint Research
  • [Presentation] Fabrication of TiO2 films on Ge and Si as tunnel barrier for spin injection(半導体への高効率スピン注入に向けたTiO2 薄膜の作製)2016

    • Author(s)
      H. Inaba, T. Koike, A. Ono, M. Oogane and Y. Ando
    • Organizer
      第35回電子材料シンポジウム
    • Place of Presentation
      守山市:ラフォーレ琵琶湖
    • Year and Date
      2016-07-06 – 2016-07-08
  • [Presentation] Electrical spin-injection into n-type germanium using Co2Fe0.4Mn0.6Si Heusler alloy film Co2Fe0.4Mn0.6Si(ホイスラー合金薄膜を用いたn 型Ge への電気的スピン注入)2016

    • Author(s)
      T. Koike, M. Oogane, A. Ono, T. Takada, H. Saito and Y. Ando
    • Organizer
      第35回電子材料シンポジウム
    • Place of Presentation
      守山市:ラフォーレ琵琶湖
    • Year and Date
      2016-07-06 – 2016-07-08
  • [Presentation] Improvement of detectivity in magnetic tunnel junction sensors at low frequency region using superparamagnetic free layer2016

    • Author(s)
      Kyohei Ishikawa
    • Organizer
      3rd Workshop of the Core-to-Core Project Tohoku-York-Kaiserslautern New concepts for future spintronic devices
    • Place of Presentation
      Kaiserslautern, Germany
    • Year and Date
      2016-06-22 – 2016-06-24
    • Int'l Joint Research
  • [Presentation] Magnetic Field Sensor Properties in Magnetic Tunnel Junctions with Amorphous CoFeSiB at Low Magnetic Field2016

    • Author(s)
      Daiki Kato
    • Organizer
      3rd Workshop of the Core-to-Core Project Tohoku-York-Kaiserslautern New concepts for future spintronic devices
    • Place of Presentation
      Kaiserslautern, Germany
    • Year and Date
      2016-06-22 – 2016-06-24
    • Int'l Joint Research
  • [Presentation] Wide-dynamic-range magnetic sensor based on magnetic tunnel junction with perpendicularly magnetized [Co/Pd]-based reference layer2016

    • Author(s)
      Takafumi Nakano, Mikihiko Oogane, Takamoto Furuichi, Kenichi Ao, and Yasuo Ando
    • Organizer
      3rd Workshop of the Core-to-Core Project Tohoku-York-Kaiserslautern New concepts for future spintronic devices
    • Place of Presentation
      Kaiserslautern, Germany
    • Year and Date
      2016-06-22 – 2016-06-24
    • Int'l Joint Research
  • [Presentation] Development of ferromagnetic ordered alloy films for spintronics2016

    • Author(s)
      M. Oogane, A. Ono and Y. Ando
    • Organizer
      3rd Workshop of the Core-to-Core Project Tohoku-York-Kaiserslautern
    • Place of Presentation
      Kaiserslautern, Germany
    • Year and Date
      2016-06-22 – 2016-06-22
    • Int'l Joint Research / Invited
  • [Presentation] TMR素子を用いた磁場センサの心磁計への応用と展望2016

    • Author(s)
      安藤 康夫
    • Organizer
      第31回日本生体磁気学会大会
    • Place of Presentation
      金沢市:金沢市文化ホール
    • Year and Date
      2016-06-09 – 2016-06-10
    • Invited
  • [Presentation] Improvement of detectivity in magnetic tunnel junction sensors using superparamagnetic free layer for biomedical imaging2016

    • Author(s)
      Kyohei Ishikawa, Mikihiko Oogane, Kousuke Fujiwara, Junichi Jono, Masaaki Tsuchida, and Yasuo Ando
    • Organizer
      第31回日本生体磁気学会大会
    • Place of Presentation
      金沢市:金沢市文化ホール,
    • Year and Date
      2016-06-09 – 2016-06-10
  • [Presentation] Conductive Property of Junctions with Multiferroic BiFeO3 ultrathin films2016

    • Author(s)
      Ichinose Tomohiro
    • Organizer
      強的秩序とその操作に関わる研究グループ 2016 Japan & France joint workshop
    • Place of Presentation
      Paris, France
    • Year and Date
      2016-05-19 – 2016-05-21
    • Int'l Joint Research

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Published: 2018-01-16  

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