Casimir-Lifshitz force variations across heterogeneous gapped metal surfaces

M. Boström; S. Pal; H. R. Gopidi; S. Osella; A. Gholamhosseinian; G. Palasantzas; O. I. Malyi

doi:10.1103/PhysRevB.110.045424

Casimir-Lifshitz force variations across heterogeneous gapped metal surfaces

M. Boström^*, S. Pal, H. R. Gopidi, S. Osella, A. Gholamhosseinian, G. Palasantzas, O. I. Malyi^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

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.

Original language	English
Article number	045424
Number of pages	7
Journal	Physical Review B
Volume	110
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevB.110.045424
Publication status	Published - 15-Jul-2024

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Casimir-Lifshitz force variations across heterogeneous gapped metal surfacesFinal publisher's version, 1.43 MBLicence: Taverne

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abstract = "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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AU - Gholamhosseinian, A.

AU - Palasantzas, G.

AU - Malyi, O. I.

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AB - 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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Casimir-Lifshitz force variations across heterogeneous gapped metal surfaces

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