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Atomic-scale study of lattice defect formation due to electronic excitation in spinel-type oxide

Atomic-scale study of lattice defect formation due to electronic excitation in spinel-type oxide
尖晶石型氧化物中电子激发引起的晶格缺陷形成的原子尺度研究
批准号:
18206068
负责人:
MATSUMURA Syo
金额:
$30.95万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (A)
财政年份:
2006
资助国家:
日本
项目状态:
已结题
起止时间:
2006 至 2009

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中文摘要
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英文摘要
Structural disordering in magnesium aluminate spinel compounds MgAl_2O_4 induced by strong electronic excitation due to irradiation with swift heavy ions were investigated by means of advanced transmission electron microscopy and molecular dynamics simulations, in connection to their application as inert matrix material in nuclear engineering. The results have clearly revealed the atomistic structure inside ion-tracks as well as the induced disordering behavior quantitatively. The atomistic mechanism for transformation into defective rock-salt structure has been also demonstrated.
期刊论文(33)
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Microstructure and atomic disordering of magnesium aluminate spinel irradiated with swift heavy ions
快重离子辐照铝酸镁尖晶石的微观结构和原子无序性
DOI: --
发表时间: 2006
期刊: Nucl.Instr.and Meth.Phys.Res., B 245
影响因子: --
作者: [T.Yamamoto, M.Shimada, K.Yasuda, S.Matsumura, Y.Chimi and N.Ishikawa]
通讯作者: Y.Chimi and N.Ishikawa
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者: [安田 和弘, 関真 一郎, 山本 知一, 松村 晶]
通讯作者: 松村 晶
Microstructure and Ion Configuration of Spinel Irradiated with Swift Heavy Ions
快重离子辐照尖晶石的显微结构和离子构型
DOI: --
发表时间: 2007
期刊: JAEA Review 2007 46
影响因子: --
作者: [K.Yasuda, T.Yamamoto, S.Kawasoe, S.Matsumura, N.Ishikawa]
通讯作者: N.Ishikawa
The Atomic Structure of Disordered Ion Tracks in Magnesium Aluminate Spinel
镁铝尖晶石中无序离子轨道的原子结构
DOI: --
发表时间: 2007
期刊: Journal of Materials 59
影响因子: --
作者: [K., Yasuda , T., Yamamoto, S., Matsumura]
通讯作者: Matsumura
9
    Formation and time-evolution of three dimensional domainsdue to ordering and phase separation
    • 批准号:
      22360267
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $12.23万
    • 财政年份:
      2010
    • 负责人:
      MATSUMURA Syo
    • 依托单位:
    Formation and time-evolution of three-dimensional long-range ordered domains from short-range ordered states
    • 批准号:
      15360336
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $9.86万
    • 财政年份:
      2003
    • 负责人:
      MATSUMURA Syo
    • 依托单位:
    High Angular Resolution Electron Channeling X-ray Spectroscopy for Radiation-Induced Local Disordering in Magnesium Aluminate Spinel Compounds
    • 批准号:
      12450260
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $10.62万
    • 财政年份:
      2000
    • 负责人:
      MATSUMURA Syo
    • 依托单位:
    X-ray emission from metal oxide crystals under dynamical electron diffraction conditions and its application to structure analysis
    • 批准号:
      09650721
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.05万
    • 财政年份:
      1997
    • 负责人:
      MATSUMURA Syo
    • 依托单位:
    海外基金