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Related papers: Kapitza resistance in basic chain models with isol…

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We point out that the effective channel for the interfacial thermal conductance, the inverse of Kapitza resistance, of metal-insulator/semiconductor interfaces is governed by the electron-phonon interaction mediated by the surface states…

Mesoscale and Nanoscale Physics · Physics 2016-03-02 Tingyu Lu , Jun Zhou , Tsuneyoshi Nakayama , Ronggui Yang , Baowen Li

The thermal resistance associated with the interface between a solid and a liquid is analyzed from an atomistic point of view. Partial evaluation of the associated Green-Kubo integral elucidates the various factors governing heat transport…

Statistical Mechanics · Physics 2022-01-26 Nicolas G. Hadjiconstantinou , Mathew M. Swisher

A coupled cohesive zone model based on an analogy between fracture and contact mechanics is proposed to investigate debonding phenomena at imperfect interfaces due to thermomechanical loading and thermal fields in bodies with cohesive…

Materials Science · Physics 2014-10-02 Alberto Sapora , Marco Paggi

What is the interface temperature during phase transition (for instance, from liquid to vapor)? This question remains fundamentally unresolved. In the modeling of heat transfer problems with no phase change, the temperature and heat flux…

Statistical Mechanics · Physics 2023-11-02 Tom Y. Zhao , Neelesh A. Patankar

The thermal boundary resistance (Kapitza resistance) of (001) twist grain boundaries in silicon nanowires depends on the mismatch angle. This dependence is systematically investigated by means of nonequilibrium molecular dynamics…

Mesoscale and Nanoscale Physics · Physics 2017-01-26 J. K. Bohrer , K. Schröer , L. Brendel , D. E. Wolf

Phonon transmission across epitaxial interfaces is studied within the lattice dynamic approach. The transmission shows weak dependence on frequency for the lattice wave with a fixed angle of incidence. The dependence on azimuth angle is…

Materials Science · Physics 2009-11-13 Jian Wang , Jian-Sheng Wang

Graphene has drawn wide attention due to its exceptional thermal conductivity but complete understanding of thermal characteristics of polycrystalline graphene is still elusive to date. For the first time, herein, we have systematically…

Materials Science · Physics 2013-04-26 Young I. Jhon , Myung S. Jhon

We present a theory of the phononic thermal (Kapitza) resistance at the interface between graphene or another single-layer two-dimensional (2D) crystal (e.g. MoS$_{2}$) and a flat substrate, based on a modified version of the cross-plane…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 Zhun-Yong Ong , Yongqing Cai , Gang Zhang

Systematic experimental and theoretical research on the role of microstructure and interface thermal resistance on the thermal conductivity of the PbTe-CoSb3 bulk polycrystalline composite is presented. In particular, the correlation…

Nucleation is often accompanied by heat transfer between the surroundings and a nucleus of a new phase. The interface between two phases gives an additional resistance to this transfer. For small nuclei the interfacial curvature is high,…

Soft Condensed Matter · Physics 2015-06-17 K. S. Glavatskiy , D. Bedeaux

In this study, the synergistic effect of the particle size of the dispersed phase and the interface thermal resistance (R$_{int}$) between the phases on the phonon thermal conductivity ($\kappa_{ph}$) of the…

Materials Science · Physics 2023-03-07 Ashutosh Kumar , Krzysztof T. Wojciechowski

In this paper new characterization equipment for thermal interface materials is presented. Thermal management of electronic products relies on the effec-tive dissipation of heat. This can be achieved by the optimization of the system design…

Materials Science · Physics 2007-09-13 R. Schacht , D. May , B. Wunderle , O. Wittler , A. Gollhardt , B. Michel , H. Reichl

During the fabrication process of large scale silicene through common chemical vapor deposition (CVD) technique, polycrystalline films are quite likely to be produced, and the existence of Kapitza thermal resistance along grain boundaries…

Computational Physics · Physics 2019-06-12 Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

In this letter, we address the thermal processes occurring in plasmonic nanoparticles. We determine constrains imposed upon the plasmonic excitation in such nanoparticle by the resulting heat generation. Taking into account temperature…

Mesoscale and Nanoscale Physics · Physics 2013-08-06 I. A. Fyodorov , V. M. Parfenyev , G. T. Tartakovsky , S. S. Vergeles , A. K. Sarychev

The interfacial thermal resistance determines condensation-evaporation processes and thermal transport across material-fluid interfaces. Despite its importance in transport processes, the interfacial structure responsible for the thermal…

Soft Condensed Matter · Physics 2017-08-02 Jordan Muscatello , Enrique Chacón , Pedro Tarazona , Fernando Bresme

Thermal transport properties of the FPU $\beta$ model with a quadratic pinning term are investigated for various couplings and temperatures. In particular, the size dependence of the thermal conductivity, $\kappa\propto L^\alpha$, is…

Chaotic Dynamics · Physics 2009-11-13 Kenichiro Aoki

We present a thermodynamic theory of plane coherent solid-solid interfaces in multicomponent systems subject to nonhydrostatic mechanical stresses. The interstitial and substitutional chemical components are treated separately using…

Materials Science · Physics 2013-04-02 T. Frolov , Y. Mishin

Grain boundaries in graphene are inherent in wafer-scale samples prepared by chemical vapor deposition. They can strongly influence the mechanical properties and electronic and heat transport in graphene. In this work, we employ extensive…

Mesoscale and Nanoscale Physics · Physics 2017-09-28 Zheyong Fan , Petri Hirvonen , Luiz Pereira , Mikko Ervasti , Ken Elder , Davide Donadio , Ari Harju , Tapio Ala-Nissila

In this work, we investigated the effect of knots in the thermal transport of graphene nanoribbons through non-equilibrium molecular dynamics simulations. We considered the cases of one, two, and three knots are present. Temperature jumps…

Mesoscale and Nanoscale Physics · Physics 2022-08-04 Levi C. Felix , Alexandre F. Fonseca , Douglas S. Galvao

Thermal stability is an important parameter for the operation of the superconducting radio frequency (SRF) cavities used in particle accelerators. The rf power dissipated on the inner surface of the cavities is conducted to the helium bath…

Accelerator Physics · Physics 2017-04-05 Pashupati Dhakal , Gianluigi Ciovati , Ganapati Rao Myneni