Growth Mode and Inter-Diffusion of Co on Pt(ll1)

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题名:	Growth Mode and Inter-Diffusion of Co on Pt(ll1)
作者:	J. S. Tsay Y. E. Wu C. S. Shern 吳月娥沈青嵩
贡献者:	臺北市立教育大學自然科學系
日期:	1997
上传时间:	2009-07-27 14:23:56 (UTC+8)
摘要:	Low-energy electron diffraction (LEED) and Auger electron spectroscopy (AES) were used to study the initial growth of a cobalt ultrathin film on a Pt(ll1) surface. The growth of the cobalt ultrathin film on Pt( 111) belongs to Stranski-Krastanov mode. The kinetics of the inter-diffusion of Co adatoms on a Pt( 111) surface was studied by AES at various temperatures with the Co coverage of one monolayer. The activation energy and the pre-exponential diffusion coefficient are obtained to be 0.90 eV and 6.6 x lo-l1 cm/s respectively from an Arrhenius plot. Ultraviolet photoelectron spectroscopy (UPS) was used to monitor the alloy formation of Co/Pt( 111) in the annealing process.
關聯:	chinese journal of physics, V35(5), p.610
显示于类别:	[應用物理暨化學學系暨碩士班] 期刊論文

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