Casimir-Lifshitz force variations across heterogeneous gapped metal surfaces

被引：1
|
作者：
Bostrom, M. [1 ,2 ]
Pal, S. [1 ]
Gopidi, H. R. [1 ]
Osella, S. [2 ]
Gholamhosseinian, A. [3 ]
Palasantzas, G. [4 ]
Malyi, O. I. [1 ,5 ]
机构：
[1] Ctr Excellence ENSEMBLE3 Sp Zoo, Wolczynska Str 133, PL-01919 Warsaw, Poland
[2] Univ Warsaw, Ctr New Technol, Chem & Biol Syst Simulat Lab, Banacha 2C, PL-02097 Warsaw, Poland
[3] Ferdowsi Univ Mashhad, Dept Phys, Mashhad 9177948974, Iran
[4] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands
[5] Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China
来源：
PHYSICAL REVIEW B | 2024年 / 110卷 / 04期
基金：
欧盟地平线“2020”;
关键词：
TOTAL-ENERGY CALCULATIONS;
D O I：
10.1103/PhysRevB.110.045424
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Casimir-Lifshitz force is calculated between a heterogeneous gapped metal surface and a silica (gold) sphere attached to an atomic force microscope (AFM) cantilever tip. We demonstrate that heterogeneous surface patches with different off-stoichiometry surface properties lead to changes in the predicted distances for a specific force. This can incorrectly be interpreted as occurrences of surface roughness.
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页数：7
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