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2011 Fiscal Year Final Research Report

Low-dimensional Electronic Order Formed at Artificial Perovskite Titanate Interfaces

Research Project

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Project/Area Number 22760021
Research Category

Grant-in-Aid for Young Scientists (B)

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

Principal Investigator

OHSAWA Takeo  東北大学, 原子分子材料科学高等研究機構, 助教 (00450289)

Project Period (FY) 2010 – 2011
Keywords走査プローブ顕微鏡 / エピタキシャル成長
Research Abstract

Atomic-scale studies on initial growth process of artificial perovskite titanate exhibiting a broad range of physical properties were carried out. Using a genuinely atomically-ordered single-crystal substrate, growth chemistry of thin-film oxides was elucidated by means of scanning tunneling microscopy. These results can provide significant insight into the improvement of device performances, leading to creation of higher-quality materials.

  • Research Products

    (26 results)

All 2012 2011 2010 2009

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (20 results) Book (2 results)

  • [Journal Article] Atomic-scale visualization of initial growth of homoepitaxial SrTiO_3 thin film on an atomically ordered substrate2011

    • Author(s)
      R. Shimizu, K. Iwaya, T. Ohsawa, S. Shiraki, T. Hasegawa, T. Hashizume and T. Hitosugi
    • Journal Title

      ACS Nano

      Volume: 5 Pages: 7967-7971

    • Peer Reviewed
  • [Journal Article] Stripe charge ordering in SrO-terminated SrTiO_3(001)surfaces2011

    • Author(s)
      K. Iwaya, R. Shimizu, T. Ohsawa, T. Hashizume, T. Hitosugi
    • Journal Title

      Phys. Rev. B

      Volume: 83 Pages: 125117

    • Peer Reviewed
  • [Journal Article] Thickness-dependent local surface electronic structures of homoepitaxial SrTiO_3 thin films2010

    • Author(s)
      T. Ohsawa, K. Iwaya, R. Shimizu, T. Hashizume, T. Hitosugi
    • Journal Title

      J. Appl. Phys

      Volume: 108 Pages: 073710

    • Peer Reviewed
  • [Journal Article] Atomically resolved surface structure of SrTiO_3(001)thin films grown in step-flow mode by pulsed laser deposition2010

    • Author(s)
      K. Iwaya, T. Ohsawa, R. Shimizu, T. Hashizume, T. Hitosugi
    • Journal Title

      Appl. Phys. Express

      Volume: 3 Pages: 075701

    • Peer Reviewed
  • [Presentation] SrTiO_3(001)表面再構成に及ぼす酸素欠損の寄与2012

    • Author(s)
      清水亮太、岩谷克也、大澤健男、白木将、一杉太郎
    • Organizer
      第59回応用物理学関係連合講演会
    • Place of Presentation
      日早稲田大学
    • Year and Date
      20120315-18
  • [Presentation] SrTiO_3(001)-(√13×√13)基板表面のSTM/XPS2012

    • Author(s)
      大澤健男、清水亮太、岩谷克也、白木将、一杉太郎
    • Organizer
      第59回応用物理学関係連合講演会
    • Place of Presentation
      早稲田大学
    • Year and Date
      20120315-18
  • [Presentation] Spatially resolved Nano-scale characterization of electronic states in SrTiO_3(001)surfaces by STM/STS2012

    • Author(s)
      K. Iwaya, T. Ohsawa
    • Organizer
      APS March Meeting
    • Place of Presentation
      USA
    • Year and Date
      20120226-0302
  • [Presentation] Atomic-scale Imaging of Sub-monolayer Thin Film Growth Process on SrTiO_3(001)-(√13×√13)Surfaces2011

    • Author(s)
      T. Ohsawa, K. Iwaya, R. Shimizu, T. Hitosugi
    • Organizer
      International Symposium on Surface Science (ISSS-6)
    • Place of Presentation
      Japan
    • Year and Date
      20111211-15
  • [Presentation] STM/STSによるTiO_2終端SrTiO_3(001)表面の局所電子状態の観察2011

    • Author(s)
      岩谷克也、大澤健男、清水亮太、一杉太郎
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      20110921-24
  • [Presentation] STM/STSによるSrO終端SrTiO_3(001)表面の局所電子状態の観察2011

    • Author(s)
      岩谷克也, 大澤健男, 清水亮太, 一杉太郎
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      20110921-24
  • [Presentation] SrTiO_3(001)-(√13x√13)エピタキシャル基板表面の構造解析2011

    • Author(s)
      清水亮太、濱田幾太郎、赤木和人、岩谷克也、大澤健男、白木將、長谷川哲也、塚田捷、一杉太郎
    • Organizer
      第72回応用物理学学術講演会
    • Place of Presentation
      山形大学
    • Year and Date
      20110829-0902
  • [Presentation] SrO層堆積により誘起されるSrTiO_3(001)基板表面の酸素欠損2011

    • Author(s)
      大澤健男、岩谷克也、清水亮太、一杉太郎
    • Organizer
      第72回応用物理学学術講演会
    • Place of Presentation
      山形大学
    • Year and Date
      20110829-0902
  • [Presentation] SrTiO_3(001)-(√13x√13)基板表面上におけるホモエピタキシャル成長初期過程の原子スケール観察2011

    • Author(s)
      清水亮太、岩谷克也、大澤健男、白木将、長谷川哲也、橋詰富博、一杉太郎
    • Organizer
      第58回応用物理学関係連合講演会
    • Place of Presentation
      神奈川工科大学
    • Year and Date
      20110324-27
  • [Presentation] SrO終端SrTiO_3(001)基板表面の電子状態2011

    • Author(s)
      大澤健男、岩谷克也、清水亮太、橋詰富博、一杉太郎
    • Organizer
      第58回応用物理学関係連合講演会
    • Place of Presentation
      神奈川工科大学
    • Year and Date
      20110324-27
  • [Presentation] Atomic-scale observation of initial growth process of homoepitaxial SrTiO_3 on atomically-controlled SrTiO_3(001)substrate surfaces2011

    • Author(s)
      R. Shimizu, K. Iwaya, T. Ohsawa, S. Shiraki, T. Hasegawa, T. Hashizume, T. Hitosugi
    • Organizer
      The 2011 WPI-AIMR Annual Workshop
    • Place of Presentation
      Japan
    • Year and Date
      20110221-24
  • [Presentation] Atomically-Resolved Electronic States of TiO2-and SrO-terminated Surfaces of SrTiO_32011

    • Author(s)
      K. Iwaya, T. Ohsawa, R. Shimizu, T. Hashizume, T. Hitosugi
    • Organizer
      The 2011 WPI-AIMR Annual Workshop
    • Place of Presentation
      Japan
    • Year and Date
      20110221-24
  • [Presentation] Investigation of Single-Crystal and Thin Film Surfaces of SrTiO_3 using Low-temperature STM/STS2010

    • Author(s)
      T. Hitosugi, K. Iwaya, T. Ohsawa, R. Shimizu, T. Hashizume
    • Organizer
      2010 MRS Fall Meeting
    • Place of Presentation
      USA
    • Year and Date
      20101129-1203
  • [Presentation] Thickness-dependent Local Surface Electronic Structures of Homoepitaxial SrTiO_3 Thin Films2010

    • Author(s)
      T. Ohsawa, K. Iwaya, R. Shimizu, T. Hashizume, T. Hitosugi
    • Organizer
      17th International Workshop on Oxide Electronics
    • Place of Presentation
      Japan
    • Year and Date
      20100919-22
  • [Presentation] Atomically-ordered (√13×√13)SrTiO_3(001)substrate surfac for epitaxial growth2010

    • Author(s)
      R. Shimizu, T. Ohsawa, K. Iwaya, T. Hasegawa, T. Hashizume, and T. Hitosugi
    • Organizer
      17th International Workshop on Oxide Electronics
    • Place of Presentation
      Japan
    • Year and Date
      20100919-22
  • [Presentation] SrTiO_3(001)-(√13×√13)エピタキシャル成長基板表面の作製2010

    • Author(s)
      清水亮太, 大澤健男, 岩谷克也, 長谷川哲也, 橋詰富博, 一杉太郎
    • Organizer
      2010年秋季第71回応用物理学会学術講演会
    • Place of Presentation
      長崎大学
    • Year and Date
      20100914-17
  • [Presentation] Thickness Dependence of Local Surface Electronic Structures in SrTiO_3 Probed by Scanning Tunneling Microscopy2010

    • Author(s)
      T. Ohsawa, K. Iwaya, R. Shimizu, T. Hashizume, T. Hitosugi
    • Organizer
      7th International Conference on Inorganic Materials
    • Place of Presentation
      France
    • Year and Date
      20100912-14
  • [Presentation] Investigation of Single-Crystal and Thin Film Surfaces of SrTiO_3 using Low-temperature STM/STS2010

    • Author(s)
      T. Ohsawa, K. Iwaya, R. Shimizu, T. Hashizume, T. Hitosugi
    • Organizer
      SSSJ-A3 Foresight Joint Symposium on Nanomaterials and Nanostructures
    • Place of Presentation
      Japan
    • Year and Date
      20100705-07
  • [Presentation] Investigation of an atomically-ordered SrTiO_3(001)-(√13×√13)step/terrace substrate2010

    • Author(s)
      R. Shimizu, K. Iwaya, T. Ohsawa, T. Hasegawa, T. Hashizume, T. Hitosugi
    • Organizer
      SSSJ-A3 Foresight Joint Symposium on Nanomaterials and Nanostructures
    • Place of Presentation
      Japan
    • Year and Date
      20100705-07
  • [Presentation] SrTiO_3(001)-(√13×√13)再構成表面の作製と評価2009

    • Author(s)
      清水亮太、岩谷克也、大澤健男、長谷川哲也、橋詰富博、一杉太郎
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      20090923-26
  • [Book] 表面科学2012

    • Author(s)
      大澤健男、岩谷克也、清水亮太、一杉太郎
    • Total Pages
      357-362
  • [Book] 日本結晶学会誌2011

    • Author(s)
      岩谷克也, 大澤健男, 清水亮太, 一杉太郎
    • Total Pages
      353-358

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Published: 2013-07-31  

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