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相关论文: Thickness-dependent Kapitza resistance in multilay…

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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…

介观与纳米尺度物理 · 物理学 2016-10-26 Zhun-Yong Ong , Yongqing Cai , Gang Zhang

We study heat transport across individual grain boundaries in suspended monolayer graphene using extensive classical molecular dynamics (MD) simulations. We construct bicrystalline graphene samples containing grain boundaries with symmetric…

介观与纳米尺度物理 · 物理学 2017-09-28 Khatereh Azizi , Petri Hirvonen , Zheyong Fan , Ari Harju , Ken R Elder , Tapio Ala-Nissila , S Mehdi Vaez Allaei

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…

统计力学 · 物理学 2020-03-18 Jithu Paul , O. V. Gendelman

Thermal boundary resistance (TBR) in semiconductor-on-diamond structure bottlenecks efficient heat dissipation in electronic devices. In this study, to reduce the TBR between GaN and diamond, surface-activated bonding with a hybrid SiOx-Ar…

材料科学 · 物理学 2024-04-25 Bin Xu , Fengwen Mu , Yingzhou Liu , Rulei Guo , Shiqian Hu , Junichiro Shiomi

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…

材料科学 · 物理学 2013-04-26 Young I. Jhon , Myung S. Jhon

Cooling electronic devices to cryogenic temperatures (< 77 K) is crucial in various scientific and engineering domains. Efficient cooling involves the removal of heat generated from these devices through thermal contact with either a liquid…

仪器与探测器 · 物理学 2023-09-26 Babak Mohammadian , Mark A. McCulloch , Thomas Sweetnam , Valerio Gilles , Lucio Piccirillo

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…

软凝聚态物质 · 物理学 2019-03-29 Fatemeh Jabbari , Ali Rajabpour , Seyfollah Saedodin , Somchai Wongwises

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…

软凝聚态物质 · 物理学 2021-12-01 Jithu Paul , O. V. Gendelman

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…

加速器物理 · 物理学 2017-04-05 Pashupati Dhakal , Gianluigi Ciovati , Ganapati Rao Myneni

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…

介观与纳米尺度物理 · 物理学 2017-01-26 J. K. Bohrer , K. Schröer , L. Brendel , D. E. Wolf

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…

计算物理 · 物理学 2019-06-12 Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

The thermal conductivity of graphene nanoribbons (layer from 1 to 8 atomic planes) is investigated by using the nonequilibrium molecular dynamics method. We present that the room-temperature thermal conductivity decays monotonically with…

介观与纳米尺度物理 · 物理学 2015-06-03 Wei-Rong Zhong , Mao-Ping Zhang , Bao-Quan Ai , Dong-Qin Zheng

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…

介观与纳米尺度物理 · 物理学 2017-09-28 Zheyong Fan , Petri Hirvonen , Luiz Pereira , Mikko Ervasti , Ken Elder , Davide Donadio , Ari Harju , Tapio Ala-Nissila

Understanding thermal transport in silicon nanostructures is crucial for effective thermal management in semiconductor devices. In such nanostructures, boundary scattering can significantly reduce thermal conductivity. Diffusive boundary…

材料科学 · 物理学 2025-10-28 Michimasa Morita , Junichiro Shiomi

The mechanical properties of two-dimensional materials are important for a wide range of applications including composite and van der Waals-materials, flexible electronics and superconductivity. Several aspects are highly debated in the…

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…

其他凝聚态物理 · 物理学 2020-10-06 S. Autti , A. M. Guénault , R. P. Haley , A. Jennings , G. R. Pickett , R. Schanen , A. A. Soldatov , V. Tsepelin , J. Vonka , D. E. Zmeev

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…

材料科学 · 物理学 2015-06-11 Jie Chen , Gang Zhang , Baowen Li

We present systematic thermal conductivity measurements of suspended thin graphite ribbons, 234-527 nm thick, using a four-probe 3-omega method. Unlike recent reports of phonon hydrodynamics and exceptionally high thermal conductivity in…

介观与纳米尺度物理 · 物理学 2025-09-16 Wonjae Jeon , Yu Pei , Xun Li , Lucas Lindsay , Sangyeop Lee , Renkun Chen

Here we examine the role of the amorphous insulating substrate in the thermal relaxation in thin NbN, InO$_x$, and Au/Ni films at temperatures above 5 K. The studied samples are made up of metal bridges on an amorphous insulating layer…

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…

软凝聚态物质 · 物理学 2015-06-25 Debasish Chaudhuri , Abhishek Chaudhuri , Surajit Sengupta
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