Cantilever bending with rough surfaces

被引：51

作者：

Weissmueller, Joerg ^{[1
,2
]}

Duan, Huiling ^{[1
,3
,4
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany

[2] Univ Saarland, Saarbrucken, Germany

[3] Peking Univ, Coll Engn, Dept Mech & Aerosp Engn, Beijing 100871, Peoples R China

[4] Peking Univ, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.101.146102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the response of the curvature of cantilevers to changes in their surface stress depends significantly on the topology of the surface. The origin is the transverse coupling between the out-of-plane and in-plane components of the surface-induced stress. Deliberate structuring of the surface allows the magnitude and even sign of the cantilever response to be tuned, and experiments measuring the surface stress on nominally planar surfaces require a correction when there is roughness.

引用

页数：4

共 22 条

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