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首页> 中文期刊> 《中国科学》 >Synthesis and structure of NaNbO3 ceramic powders in ultrahigh pressure field

Synthesis and structure of NaNbO3 ceramic powders in ultrahigh pressure field

         
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摘要

The NaNbO3 powders were synthesized and their crystal structure changes were analyzed by ultrahigh pressure up to 6 GPa. The results indicate that the pure NaNbO3 powders can be synthesized at 300℃ under a pressure of 4 GPa, to significantly restrain the Na element volatilization compared with the traditional synthesis method. It is found that the crystal structure of synthesized NaNbO3 changes from low symmetry to high symmetry with the increase of the pressure.

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  • 来源
    《中国科学》 |2007年第5期|P.658-663|共6页
  • 作者

    CAO; MingHe; TIAN; Wei; LI; MingFa; SUN; WenHua; HU; MingJi; LIU; HanXing;

  • 作者单位

    State;

    Key;

    Laboratory;

    of;

    Advanced;

    Technology;

    for;

    Materials;

    Synthesis;

    and;

    Processing,;

    Wuhan;

    University;

    of;

    Technology,;

    Wuhan;

    430070,;

    China;

    State;

    Key;

    Laboratory;

    of;

    Advanced;

    Technology;

    for;

    Materials;

    Synthesis;

    and;

    Processing,;

    Wuhan;

    University;

    of;

    Technology,;

    Wuhan;

    430070,;

    China;

    State;

    Key;

    Laboratory;

    of;

    Advanced;

    Technology;

    for;

    Materials;

    Synthesis;

    and;

    Processing,;

    Wuhan;

    University;

    of;

    Technology,;

    Wuhan;

    430070,;

    China;

    State;

    Key;

    Laboratory;

    of;

    Advanced;

    Technology;

    for;

    Materials;

    Synthesis;

    and;

    Processing,;

    Wuhan;

    University;

    of;

    Technology,;

    Wuhan;

    430070,;

    China;

    State;

    Key;

    Laboratory;

    of;

    Advanced;

    Technology;

    for;

    Materials;

    Synthesis;

    and;

    Processing,;

    Wuhan;

    University;

    of;

    Technology,;

    Wuhan;

    430070,;

    China;

    State;

    Key;

    Laboratory;

    of;

    Advanced;

    Technology;

    for;

    Materials;

    Synthesis;

    and;

    Processing,;

    Wuhan;

    University;

    of;

    Technology,;

    Wuhan;

    430070,;

    China;

  • 原文格式 PDF
  • 正文语种 CHI
  • 中图分类 自然科学总论;
  • 关键词

    pressure; synthesis,; NaNbO3; powder,; crystal; structure;

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