Search Results - "van Zwol, P. J"

Roughness of Microspheres for Force Measurements by van Zwol, P. J, Palasantzas, G, van de Schootbrugge, M, de Hosson, J. Th. M, Craig, V. S. J

“…We have investigated the morphology and surface roughness of several commercially available microspheres to determine their suitability for force measurements…”
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Influence of random roughness on the Casimir force at small separations by van Zwol, P. J., Palasantzas, G., De Hosson, J. Th. M.

“…The influence of random surface roughness of Au films on the Casimir force is explored with atomic force microscopy in the plate-sphere geometry. The…”
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Plasmon enhanced near-field radiative heat transfer for graphene covered dielectrics by Svetovoy, V. B., van Zwol, P. J., Chevrier, J.

“…It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange turning a…”
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Repulsive Casimir forces between solid materials with high-refractive-index intervening liquids by van Zwol, P. J., Palasantzas, G.

“…In order to explore repulsive Casimir or van der Waals forces between solid materials with liquid as the intervening medium, we analyze dielectric data for a…”
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Tuning near field radiative heat flux through surface excitations with a metal insulator transition by van Zwol, P J, Ranno, L, Chevrier, J

“…The control of heat flow is a formidable challenge due to lack of good thermal insulators. Promising new opportunities for heat flow control were recently…”
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Nanoscale radiative heat flow due to surface plasmons in graphene and doped silicon by van Zwol, P J, Thiele, S, Berger, C, de Heer, W A, Chevrier, J

“…Owing to its two-dimensional electronic structure, graphene exhibits many unique properties. One of them is a wave vector and temperature dependent plasmon in…”
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Distance upon contact: Determination from roughness profile by van Zwol, P. J., Svetovoy, V. B., Palasantzas, G.

“…The point at which two random rough surfaces make contact takes place at the contact of the highest asperities. The distance upon contact d{sub 0} in the limit…”
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Influence of roughness on capillary forces between hydrophilic surfaces by van Zwol, P J, Palasantzas, G, De Hosson, J Th M

“…Capillary forces have been measured by atomic force microscopy in the plate-sphere setup between gold, borosilicate glass, GeSbTe, titanium, and UV-irradiated…”
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Optical properties of gold films and the Casimir force by Svetovoy, V. B., van Zwol, P. J., Palasantzas, G., De Hosson, J. Th. M.

“…Precise optical properties of metals are very important for accurate prediction of the Casimir force acting between two metallic plates. Therefore we measured…”
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Influence of dielectric properties on van der Waals/Casimir forces in solid-liquid systems by van Zwol, P. J., Palasantzas, G., De Hosson, J. Th. M.

“…In this paper, we present calculations of van der Waals/Casimir forces, described by Lifshitz theory, for the solid-liquid-solid system using measured…”
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Influence of ultrathin water layer on the van der Waals/Casimir force between gold surfaces by Palasantzas, G., Svetovoy, V. B., van Zwol, P. J.

“…In this paper we investigate the influence of ultrathin water layer ({approx}1-1.5 nm) on the van der Waals/Casimir force between gold surfaces. Adsorbed water…”
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Roughness corrections to the Casimir force: The importance of local surface slope by van Zwol, P. J., Palasantzas, G., De Hosson, J. Th. M.

“…This paper concentrates on a study where finite conductivity corrections are included in the theoretical description of the effects of roughness on the Casimir…”
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Phonon-Polaritons enhance near field thermal transfer across the phase transition of VO2 by van Zwol, Pieter, Joulain, Karl, Ben-Abdallah, Philippe, Chevrier, Joël

“…We show numerically that near field heat flux can be modulated by orders of magnitude upon switching from the metallic to the insulating phase of vanadium…”
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Weak dispersive forces between glass and gold macroscopic surfaces in alcohols by van Zwol, P J, Palasantzas, G, DeHosson, J Th M

“…In this work we concentrate on an experimental validation of the Lifshitz theory for the van der Waals and the Casimir forces in gold-alcohol-glass systems…”
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Fast nanoscale heat-flux modulation with phase-change materials by van Zwol, P. J., Joulain, K., Ben Abdallah, P., Greffet, J. J., Chevrier, J.

“…We introduce a new concept for electrically controlled heat flux modulation. A flux contrast larger than 10 dB is expected with switching time on the order of…”
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Transition from Casimir to van der Waals force between macroscopic bodies by Palasantzas, G., van Zwol, P. J., De Hosson, J. Th. M.

“…The transition of van der Waals to Casimir forces between macroscopic gold surfaces is investigated by atomic force microscopy in the plane-sphere geometry. It…”
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Repulsive Casimir forces between solid materials with high refractive index intervening liquids by van Zwol, P. J, Palasantzas, G

“…In order to explore repulsive Casimir/van der Waals forces between solid materials with liquid as the intervening medium, we analyze dielectric data for a wide…”
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Influence of random roughness on the adhesion between metal surfaces due to capillary condensation by van Zwol, P. J., Palasantzas, G., De Hosson, J. Th. M.

“…The capillary force was measured by atomic force microscopy between a gold coated sphere mounted on a cantilever and gold surfaces with different roughnesses…”
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Plasmons enhance near-field radiative heat transfer for graphene-covered dielectrics by Svetovoy, V. B, van Zwol, P. J, Chevrier, J

“…Phys. Rev. B 85, 155418 (2012) It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for…”
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Emissivity of freestanding membranes with thin metal coatings by van Zwol, P. J, Vles, D. F, Voorthuijzen, W. P, Péter, M, Vermeulen, H, van der Zande, W. J, van de Kruijs, J. M. Sturm. R. W. E, Bijkerk, F

“…Freestanding silicon nitride membranes with thicknesses down to a few tens of nanometers find use as TEM windows or soft X-ray spectral purity filters. As the…”
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