La_<0.5>Sr_<0.5>CoO_3放電カソード材料の初期放電での放電電圧変化 The Early Phase Discharge Voltage Characteristics of the La_<0.5>Sr_<0.5>CoO_3 as a Cathode

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The La<sub>0.5</sub>Sr<sub>0.5</sub>CoO<sub>3</sub> was used as a cathode for the first time when the plasma display panel was used on the handheld personal computer. It has favorable sputtering resistance characteristic and stable discharge characteristic in gases. A cathode made from the La<sub>0.5</sub>Sr<sub>0.5</sub>CoO<sub>3</sub> has unique electrical characteristic in early phase discharge voltage characteristics. The discharge voltage continues to decrease from the starting value.<br>In this report, the discharge voltage shift of the La<sub>0.5</sub>Sr<sub>0.5</sub>CoO<sub>3</sub> was investigated through an analysis of the DC plasma panel which was made as prototype. It is presumed that the discharge voltage shift is caused by the current density shift of the cathode surface, and that the current density shift is caused by the surface profile of the cathode particles. In order to find out this mechanism, the spherical form model was applied to the discharge voltage shift, and the calculated values and the measured values were compared. The calculated values correspond approximately to measured values. This spherical form model is considered of available for the discharge voltage shift.

収録刊行物

  • 電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society  

    電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society 128(5), 775-780, 2008-05-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10021132435
  • NII書誌ID(NCID)
    AN10065950
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854221
  • NDL 記事登録ID
    9495563
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-795
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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