NANOMETER SCALE MECHANICAL-PROPERTIES OF AU(111) THIN-FILMS

被引:32
作者
SALMERON, M
FOLCH, A
NEUBAUER, G
TOMITORI, M
OGLETREE, DF
KOLBE, W
机构
[1] UNIV BARCELONA,DEPT FIS,BARCELONA 7,SPAIN
[2] LAWRENCE BERKELEY LAB,DIV ENGN,BERKELEY,CA 94720
关键词
D O I
10.1021/la00047a041
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The mechanical properties of gold films of (111) orientation were studied as a function of load when contacted by a single asperity Pt-Rh alloy tip. The interaction forces were measured in the direction perpendicular to the surface. The contribution of various types of forces (van der Waals, capillarity from contaminants, and metallic adhesion) in the process of contact was determined. We investigated the elastic and plastic response of the gold film as a function of applied load by examination of the contact area in subsequent imaging with STM and AFM.
引用
收藏
页码:2832 / 2842
页数:11
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