MODEL FOR A VANDERWAALS INTERACTION BETWEEN A METALLIC PROBE AND A DIELECTRIC SURFACE - IMPLICATION FOR ATOMIC FORCE MICROSCOPY

被引:5
作者
MAGHEZZI, S [1 ]
GIRARD, C [1 ]
VANLABEKE, D [1 ]
机构
[1] UNIV FRANCHE COMTE, OPT PM DUFFIEUX LAB, CNRS, UA 214, F-25030 BESANCON, FRANCE
来源
JOURNAL DE PHYSIQUE I | 1991年 / 1卷 / 02期
关键词
D O I
10.1051/jp1:1991132
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The van der Waals interaction force between a metallic tip and a non planar dielectric is derived from a non local formalism. A general formulation is given for a spherical tip of nanometric size and for surfaces of arbitrary shape (monocrystal adsorbed on planar surfaces). The dispersion part of the attractive force is obtained from a non local theory expressed in terms of generalized electric susceptibilities of the two partners. Implications for atomic force microscopy in attractive mode are also discussed.
引用
收藏
页码:289 / 307
页数:19
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