Pr系ZnOバリスタのエネルギー耐量に及ぼす焼成雰囲気の影響(II) Effect of Sintering Atmosphere on Maximum Energy Capability of Pr-doped ZnO Varistor

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Effect of sintering atmosphere on maximum energy capability of Pr-doped ZnO varistor has been studied. Distribution of electrical property and microstructure in ZnO varistor has been obtained with sliced sample. It is shown that donor density and interface states density increased with N<SUB>2</SUB>-Air sintering, and there is the close relationship between distribution of electrical property of grain boundary and maximum energy capability. Segregation of Pr and Cr at triple point was different with sintering atmosphere. The composition of segregation phase was Pr-rich PrCrO<SUB>3</SUB>, Pr<SUB>4</SUB>O<SUB>7</SUB> and Pr<SUB>2</SUB>O<SUB>3</SUB> with N<SUB>2</SUB>-Air sintering.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(10), 1225-1230, 1996-10-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002260813
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4057326
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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