A scanning probe and quartz crystal microbalance study of the impact of C60 on friction at solid-liquid interfaces

被引：8

作者：

Coffey, T ^{[1
]}

Abdelmaksoud, M ^{[1
]}

Krim, J ^{[1
]}

机构：

[1] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2001年 / 13卷 / 21期

关键词：

D O I：

10.1088/0953-8984/13/21/323

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have investigated the changes in interfacial friction of toluene on mica and Ag(111) both in the presence and in the absence of interfacial C-60 layers employing atomic force microscope (AFM) and quartz crystal microbalance (QCM) techniques. The lateral force measurements fail to detect C-60 at the toluene/mica interface, presumably because the C-60 is dislodged by the slow-moving probe tip. In contrast, QCM measurements of interfacial friction and slippage for toluene/Ag(111) are sensitive to the presence of interfacial C-60 We see the friction double when C-60 is present. The results are discussed in the light of the full-slip boundary condition which had been previously reported for surface forces apparatus (SFA) measurements on toluene/mica in the presence and absence of interfacial C-60.

引用

页码：4991 / 4999

页数：9

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