電界放出陰極のRemolding

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書誌事項

タイトル別名
  • Remolding of Field Emission Cathodes
  • デンカイ ホウシュツ インキョク ノ Remolding

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説明

Investigations were made on the effect of polarization on the surface migration of metal atoms which is induced by a thermal-field during remolding.<br> Experimental results show that the end-form of the thermal-field build-up of a crystal plane on tungsten and rhenium emitters is determined by the anisotropic feature of the free energy of the surface, which in turn is influenced by the adsorption of gases and the polariza-tion of surface metal atoms caused by the remolding field.<br> Discussions are given on possible causes of the thermal-field build-up of the (001) crystal plane on a tungsten emitter exposed to CO2 or O2 gases of about 10-7 Torr.<br> The remolding conditions that provide highly narrow angular confinement of field electrons from <013> and <001> oriented tungsten emitters are also described.

収録刊行物

  • 応用物理

    応用物理 42 (10), 975-982, 1973

    公益社団法人 応用物理学会

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