On the thermodynamics of contact interaction in an atomic force microscope

被引：2
|
作者：
Rekhviashvili, SS [1 ]
机构：
[1] Russian Acad Sci, Kabardino Balkar Sci Ctr, Res Inst Appl Math & Automat, Nalchik 360000, Russia
来源：
TECHNICAL PHYSICS | 2001年 / 46卷 / 10期
关键词：
Spectroscopy; Atomic Force Microscope; Vertical Direction; Thermodynamic Parameter; Lateral Force;
D O I：
10.1134/1.1412074
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Contact interaction in an atomic force microscope is considered in terms of the thermodynamic approach. It is shown that hysteresis observed when a sample is probed in the vertical direction is due to the surface energy-work thermodynamic cycle. The force of sample-tip interaction is calculated for the case when the tip is a paraboloid of revolution. Fluctuations of the basic thermodynamic parameters are found. The role of electrocapillary forces is considered. A new method of spectroscopy in the lateral force mode is suggested. (C) 2001 MAIK "Nauka/Interperiodica".
引用
收藏
页码：1335 / 1338
页数：4
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