Change of Work Function of Pd, Ag, K on Al(001) as a Function
of External Electric Field
ZHU Zi-Zhong1,2 , HOU Zhu-Feng1 , HUANG Mei-Chun1 , HUANG Rong-Bin2 , ZHENG Lan-Sun2
1 Department of Physics, Xiamen University, Xiamen 361005
2 State Key Laboratory for Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005
Change of Work Function of Pd, Ag, K on Al(001) as a Function
of External Electric Field
ZHU Zi-Zhong1,2 ;HOU Zhu-Feng1 ;HUANG Mei-Chun1 ;HUANG Rong-Bin2 ;ZHENG Lan-Sun2
1 Department of Physics, Xiamen University, Xiamen 361005
2 State Key Laboratory for Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005
关键词 ：
73.30.+y ,
68.43.-h ,
34.50.Dy
Abstract ： We present a local density functional calculation of the effect of an external electric field on the work function change of Pd and Ag adsorption on an Al(001) surface. The adsorption of K has also been considered for comparison. We found that the work functions for all the systems increased linearly when the strength of external electric field was increased. Since the polarized electrons at the interstitial regions between the adsorbate and substrate for Pd/Al(001) and Ag/Al(001) react to the external electric field differently, the subtle differences between Pd/Al(001) and Ag/Al(001) bondings has been characterized through the comparison of slopes of the work function change versus electric field.
Key words ：
73.30.+y
68.43.-h
34.50.Dy
出版日期: 2001-08-01
:
73.30.+y
(Surface double layers, Schottky barriers, and work functions)
68.43.-h
(Chemisorption/physisorption: adsorbates on surfaces)
34.50.Dy
引用本文:
ZHU Zi-Zhong;HOU Zhu-Feng;HUANG Mei-Chun;HUANG Rong-Bin;ZHENG Lan-Sun. Change of Work Function of Pd, Ag, K on Al(001) as a Function
of External Electric Field[J]. 中国物理快报, 2001, 18(8): 1111-1113.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I8/1111
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