ALKALI MIGRATION AND DESORPTION ENERGIES ON POLYCRYSTALLINE TUNGSTEN AT LOW COVERAGES

被引：11

作者：

GLADYSZEWSKI, L

机构：

[1] Institute of Physics, Maria Curie-Skłodowska University, 20-031 Lublin

来源：

SURFACE SCIENCE | 1990年 / 231卷 / 1-2期

关键词：

D O I：

10.1016/0039-6028(90)90701-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This work concerns research on fluctuations (noises) of the ion thermoemission currents of five alkali metals emitted from the tungsten surface. These noises are generated as a result of adsorbate density fluctuations. Adsorbate density fluctuations cause random changes of the work function, which influence the intensity of the emitted ion current. The methods used made it possible to determine the ion desorption energy and the surface diffusion energy for Li, Na, K, Rb and Cs. © 1990.

引用

页码：120 / 124

页数：5

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