単結晶のＴｉＣ，ＺｒＣ電界放射基本特性

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タイトル別名
  • Basic Field Emission Properties of TiC and ZrC Single Crystals
  • タンケッショウ TiC ZrC ノ デンカイ ホウシャ キホン トクセイ

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抄録

Field emission characteristics concerning single crystal tips of TiC and ZrC have been studied. Experimental finding are as follows : <BR>1) Step and spike like instabilities are observed in the field emission current from the TiC tip at room temperature. The level of the instability is increased both with increasing current level and with increasing ambient gas pressure.<BR>2) On the other hand, a random noise is observed in the field emission current from the ZrC tip. The level of the random noise is lower than that from W tip.<BR>3) Oxidizing the tip surface reduces the work function, and hence it makes possible to obtain the larger current at lower voltages.

収録刊行物

  • 真空

    真空 26 (3), 251-258, 1983

    一般社団法人 日本真空学会

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