LEED STUDY OF MIXED ONE-DIMENSIONAL LEAD AND THALLIUM CHAINS ON CU(100)

被引:3
作者
BINNS, C [1 ]
NICKLIN, CL [1 ]
BARTHESLABROUSSE, MG [1 ]
NORRIS, C [1 ]
机构
[1] CNRS,CTR ETUD CHIM MET,F-94407 VITRY,FRANCE
关键词
D O I
10.1088/0953-8984/3/17/018
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A LEED study has been carried out on mixed lead and thallium overlayers. The observed patterns are consistent with earlier chain models of the pure materials and indicate that the mixed systems contain areas of interpenetrating chains with interaction between chains of one material despite intervening chains of the other. For the samples with a thallium content exceeding 50%, there is evidence for the formation of chains in which the Peierls distortion observed in pure thallium overlayers is suppressed.
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页码:3041 / 3046
页数:6
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