Influence of interfacial layers on resonance phonon transport

Syrkin, E. S.; Minaev, P. A.; Shkorbatov, A. G.; Feher, A.

doi:10.1016/j.mee.2005.03.053

Microelectronic Engineering

2005

DOI: 10.1016/j.mee.2005.03.053

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Influence of interfacial layers on resonance phonon transport

E. S. Syrkin

P. A. Minaev

A. G. Shkorbatov

et al.

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Cited by 2 publications

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“…Perhaps, coherent grain boundaries play a crucial role. Thus, interaction of defects with the local levels plays a fundamental role in the electrical and thermal physica conductivity of nano-objects [13,14] and leads to oscillating dependencies.…”

mentioning

confidence: 99%

Local oscillations in different models of the coherent bcc–hcp boundary in ⁴He and metals

Lykah

Syrkin

2011

Physica Status Solidi (b)

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Small local vibrations of the order parameter (the relative displacement of atomic planes) on the coherent phase boundary (PB) in the bcc-hcp 4 He crystal are investigated theoretically. Dynamical differential equations for small values of the perturbations of the order parameter are obtained. On the coherent PB bcc-hcp for double-and triple-well models the shape and the spectrum are found for small local vibrations of the order parameter. Characteristic frequencies are found and estimated. It is shown that the bcc-hcp boundary in the 4 He crystal is a very soft system. This fact may explain the high degree of damping of 3 He excitations in nuclear magnetic resonance (NMR) experiments.

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mentioning

confidence: 99%

Local oscillations in different models of the coherent bcc–hcp boundary in ⁴He and metals

Lykah

Syrkin

2011

Physica Status Solidi (b)

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Low-temperature phonon transport in 3D point-contacts (Review)

Feher

Mamaluı̆

Dulfan

et al. 2005

Low Temperature Physics

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This review is devoted to describing nonequilibrium carrier systems and relaxational and kinetic phenomena in three-dimensional point-contacts. Attention is focused on describing a phonon system which becomes substantially modified under conditions of ballistic transport. In such systems the energy fluxes are limited by the presence of weakly coupled layers of impurity atoms, planar defects, or microscopic-size contacts. The small size of point-contacts, ranging from several to 1000 nm, makes it possible to investigate low-temperature heat and charge transfer on scales less than the characteristic inelastic scattering lengths. A mechanism of phonon transport in the presence of an interface is analyzed, and various models of a planar defect are examined. The special features of interfacial phonon transport, where the transport coefficients are determined not by scattering processes in the volume of a bulk crystal but rather by the properties of the intercrystalline boundary, are studied. The quantum phonon thermal conductivity of point-contacts is studied in detail.

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Influence of interfacial layers on resonance phonon transport

Cited by 2 publications

References 26 publications

Local oscillations in different models of the coherent bcc–hcp boundary in ⁴He and metals

Local oscillations in different models of the coherent bcc–hcp boundary in ⁴He and metals

Low-temperature phonon transport in 3D point-contacts (Review)

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Influence of interfacial layers on resonance phonon transport

Cited by 2 publications

References 26 publications

Local oscillations in different models of the coherent bcc–hcp boundary in 4He and metals

Local oscillations in different models of the coherent bcc–hcp boundary in 4He and metals

Low-temperature phonon transport in 3D point-contacts (Review)

Contact Info

Product

Resources

About

Local oscillations in different models of the coherent bcc–hcp boundary in ⁴He and metals

Local oscillations in different models of the coherent bcc–hcp boundary in ⁴He and metals