THE MECHANICAL RESPONSE OF GOLD SUBSTRATES PASSIVATED BY SELF-ASSEMBLING MONOLAYER FILMS

被引：91

作者：

THOMAS, RC ^{[1
]}

HOUSTON, JE ^{[1
]}

MICHALSKE, TA ^{[1
]}

CROOKS, RM ^{[1
]}

机构：

[1] SANDIA NATL LABS,DEPT SURFACE SCI,ALBUQUERQUE,NM 87185

来源：

SCIENCE | 1993年 / 259卷 / 5103期

关键词：

D O I：

10.1126/science.259.5103.1883

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Interfacial force microscopy has been used to show that a single layer of self-assembling molecules adsorbed on a gold substrate can prevent adhesion between gold and a tungsten probe. The passivated gold is able to elastically support large repulsive loads, with plots of load versus deformation closely following the Hertzian model. The gold shear-stress threshold for plastic deformation is determined to be approximately 1 gigapascal, which is in agreement with the theoretical value for the intrinsic gold-lattice stability.

引用

页码：1883 / 1885

页数：3

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