Switching Casimir forces with phase-change materials

G. Torricelli; P.J. van Zwol; O. Shpak; C. Binns; G. Palasantzas; B.J. Kooi; Vitaly Svetovoy; M. Wuttig

doi:10.1103/PhysRevA.82.010101

Switching Casimir forces with phase-change materials

G. Torricelli, P.J. van Zwol, O. Shpak, C. Binns, G. Palasantzas, B.J. Kooi, Vitaly Svetovoy, M. Wuttig

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Abstract

We demonstrate here a controllable variation in the Casimir force. Changes in the force of up to 20% at separations of similar to 100 nm between Au and Ag-In-Sb-Te (AIST) surfaces were achieved on crystallization of an amorphous sample of AIST. This material is well known for its structural transformation, which produces a significant change in the optical properties and is exploited in optical data storage systems. The finding paves the way to the control of forces in nanosystems, such as micro- or nanoswitches, by stimulating the phase-change transition via localized heat sources.

Original language	Undefined
Pages (from-to)	010101R
Number of pages	4
Journal	Physical review A: Atomic, molecular, and optical physics
Volume	82
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevA.82.010101
Publication status	Published - 9 Jul 2010

Keywords

IR-75838
METIS-276759
EWI-19386

Access to Document

10.1103/PhysRevA.82.010101

http://eprints.eemcs.utwente.nl/secure2/19386/01/Switching_casimir_forces_-_Vitaly_-_juli_2010.pdf

Cite this

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AU - Torricelli, G.

AU - van Zwol, P.J.

AU - Shpak, O.

AU - Binns, C.

AU - Palasantzas, G.

AU - Kooi, B.J.

AU - Svetovoy, Vitaly

AU - Wuttig, M.

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N2 - We demonstrate here a controllable variation in the Casimir force. Changes in the force of up to 20% at separations of similar to 100 nm between Au and Ag-In-Sb-Te (AIST) surfaces were achieved on crystallization of an amorphous sample of AIST. This material is well known for its structural transformation, which produces a significant change in the optical properties and is exploited in optical data storage systems. The finding paves the way to the control of forces in nanosystems, such as micro- or nanoswitches, by stimulating the phase-change transition via localized heat sources.

AB - We demonstrate here a controllable variation in the Casimir force. Changes in the force of up to 20% at separations of similar to 100 nm between Au and Ag-In-Sb-Te (AIST) surfaces were achieved on crystallization of an amorphous sample of AIST. This material is well known for its structural transformation, which produces a significant change in the optical properties and is exploited in optical data storage systems. The finding paves the way to the control of forces in nanosystems, such as micro- or nanoswitches, by stimulating the phase-change transition via localized heat sources.

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KW - METIS-276759

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DO - 10.1103/PhysRevA.82.010101

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