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Related papers: The Impact of Surface Passivation on Kapitza Resis…

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In this paper, we describe an experimental investigation into the effect of passivation layer thickness on heat dissipation between a quartz substrate and liquid helium. We have observed that by depositing SiN from 0 to 240 nm, the Kapitza…

Materials Science · Physics 2023-12-08 Babak Mohammadian , Mark A. McCulloch , Valerio Gilles , Thomas Sweetnam , Lucio Piccirilo

Silicon dioxide and silicon (SiO$_{2}$/Si) interface plays a very important role in semiconductor industry. However, at nanoscale, its interfacial thermal properties haven't been well understood so far. In this paper, we systematically…

Materials Science · Physics 2015-06-11 Jie Chen , Gang Zhang , Baowen Li

Using equilibrium and nonequilibrium molecular dynamics simulations, we determine the Kapitza resistance (or thermal contact resistance) at a model liquid solid interface. The Kapitza resistance (or the associated Kapitza length) can reach…

Materials Science · Physics 2009-11-07 Jean-Louis Barrat , François Chiaruttini

Kapitza thermal resistance is a common feature of material interfaces. It is defined as the ratio of the thermal drop at the interface to the heat flux flowing across the interface. One expects that this resistance will depend on the…

Statistical Mechanics · Physics 2020-03-18 Jithu Paul , O. V. Gendelman

The Kapitza or thermal boundary resistance (TBR), which limits heat dissipation from a thin film to its substrate, is a major factor in the thermal management of ultrathin nanoelectronic devices and is widely assumed to be a property of…

Materials Science · Physics 2017-04-14 Zhun-Yong Ong

Heat transfer at the liquid/solid interface, especially at the nanoscale, has enormous importance in nanofluids. This study investigates liquid/solid interfacial thermal resistance and structure of the formed molecular nanolayer around a…

Soft Condensed Matter · Physics 2019-03-29 Fatemeh Jabbari , Ali Rajabpour , Seyfollah Saedodin , Somchai Wongwises

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

The interfacial thermal conductance (Kapitza conductance) between a TiO2 nanoparticle and water is investigated using transient non-equilibrium molecular dynamics. It is found that Kapitza conductance of TiO2 nanoparticles is one order of…

Materials Science · Physics 2023-04-14 Mahdi Roodbari , Mohsen Abbasi , Saeed Arabha , Ayla Gharedaghi , Ali Rajabpour

Understanding the temperature dependence of thermal boundary resistance, or Kapitza resistance, between liquid helium and sintered metal has posed a problem in low temperature physics for decades. In the ballistic regime of superfluid…

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

We have measured the very low temperature (down to 30 mK) subgap resistance of Titanium Nitride (Superconductor, Tc = 4.6 K)/highly doped Silicon (Semiconductor) SIN junction (the insulating layer stands for the Schottky barrier). As the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 F. Lefloch , D. Quirion , M. Sanquer

We measured the low temperature subgap resistance of titanium nitride (superconductor, Tc=4.6K)/highly doped silicon (degenerated semiconductor) SIN junctions, where I stands for the Schottky barrier. At low energies, the subgap conductance…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. Quirion , F. Lefloch , M. Sanquer

Using large scale molecular dynamics simulations, we study the thermal conductivity of bare and surface passivated silicon nanowires (SiNWs). For the cross-sectional widths $w \le 2$ nm, SiNWs become unstable because of the surface…

Mesoscale and Nanoscale Physics · Physics 2024-06-25 Céline Ruscher , Robinson Cortes-Huerto , Robert Hannebauer , Debashish Mukherji , Alireza Nojeh , A. Srikantha Phani

We calculate the Kapitza conductance, which is the proportionality coefficient between heat flux and temperature jump at the interface, for the case of two conducting solids separated by the interface. We show that for conducting solids in…

Mesoscale and Nanoscale Physics · Physics 2023-06-29 A. P. Meilakhs

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

Heat transfer through the interface between a metallic nanoparticle and an electrolyte solution, has great importance in a number of applications, ranging from nanoparticle-based cancer treatments to nanofluids and solar energy conversion…

Mesoscale and Nanoscale Physics · Physics 2023-10-09 Reza Rabani , Mohammad Hassan Saidi , Ali Rajabpour , Laurent Joly , Samy Merabia

We study the conduction of heat across a narrow solid strip trapped by an external potential and in contact with its own liquid. Structural changes, consisting of addition and deletion of crystal layers in the trapped solid, are produced by…

Soft Condensed Matter · Physics 2015-06-25 Debasish Chaudhuri , Abhishek Chaudhuri , Surajit Sengupta

We explore Kapitza thermal resistance on the boundary between two homogeneous chain fragments with different characteristics. For a linear model, an exact expression for the resistance is derived, and well-defined in the thermodynamic…

Soft Condensed Matter · Physics 2021-12-01 Jithu Paul , O. V. Gendelman

Boundary conditions for the solid-liquid interface of the solidifying pure melt have been derived. In the derivation the model of Gibbs interface is used. The boundary conditions include both the state quantities of bulk phases are taken at…

Materials Science · Physics 2016-11-02 Gennady Buchbinder , Peter Galenko

Electrostatic interactions in nanoscale systems can influence the heat transfer mechanism and interfacial properties. This study uses molecular dynamics simulations to investigate the impact of various electrostatic interactions on the…

Chemical Physics · Physics 2022-08-04 Sobin Alosious , Sridhar Kumar Kannam , Sarith P. Sathian , B. D. Todd
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