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Related papers: First principles investigation of high thermal con…

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Ever since the high thermal conductivity in cubic boron arsenide (c-BAs) was predicted theoretically by Lindsay et. al in 2013, countless studies have zeroed in on this particular material. Most recently, c-BAs has been confirmed…

Materials Science · Physics 2018-11-15 Charles Shi , Xuan Luo

Engineering materials with high thermal conductivity are of fundamental interest for efficiently dissipating heat in micro/nanoelectronics. Using first principles computations we report an ultra-high thermal conductivity of 2090 Wm-1K-1…

Materials Science · Physics 2021-07-12 Rajmohan Muthaiah , Jivtesh Garg

The thermal conductivity of suspended few-layer hexagonal boron nitride (h-BN) was measured using a micro-bridge device with built-in resistance thermometers. Based on the measured thermal resistance values of 11-12 atomic layer h-BN…

Materials Science · Physics 2013-02-18 Insun Jo , Michael Thompson Pettes , Jaehyun Kim , Kenji Watanabe , Takashi Taniguchi , Zhen Yao , Li Shi

Designing and searching for a high thermal conductivity material in both bulk and nanoscale is highly demanding for electronics cooling. In this work, we studied the thermal conductivity of 2H-Germanium Carbide(2H-GeC) using first…

Materials Science · Physics 2021-07-13 Rajmohan Muthaiah , Jivtesh Garg

Two-dimensional materials are characterised by a number of unique physical properties which can potentially make them useful to a wide diversity of applications. In particular, the large thermal conductivity of graphene and hexagonal boron…

The phonon dispersion, density of states, Gr\"{u}neisen parameters, and the lattice thermal conductivity of single- and multi-layered boron nitride were calculated using first-principles methods. For the bulk {\it h}-BN we also report the…

Materials Science · Physics 2017-11-17 Ransell D'Souza , Sugata Mukherjee

We reported the basal-plane thermal conductivity in exfoliated bilayer hexagonal boron nitride h-BN that was measured using suspended prepatterned microstructures. The h-BN sample suitable for thermal measurements was fabricated by…

Mesoscale and Nanoscale Physics · Physics 2016-06-28 Chengru Wang , Jie Guo , Lan Dong , Adili Aiyiti , Xiangfan Xu , Baowen Li

The needs for efficient heat removal and superior thermal conduction in nano/micro devices have triggered tremendous studies in low-dimensional materials with high thermal conductivity. Hexagonal boron nitride (h-BN) is believed to be one…

Mesoscale and Nanoscale Physics · Physics 2017-03-03 Xinxia Li , Yaping Yan , Lan Dong , Jie Guo , Adili Aiyiti , Xiangfan Xu , Baowen Li

Two-dimensional layered materials have attracted tremendous attentions due to their extraordinary physical and chemical properties. Using first-principles calculations and Boltzmann transport theory, we give an accurate prediction of the…

Mesoscale and Nanoscale Physics · Physics 2019-02-13 Z. Z. Zhou , H. J. Liu , D. D. Fan , G. H. Cao , C. Y. Sheng

Sub-micron-thick layers of hexagonal boron nitride (hBN) exhibit high in-plane thermal conductivity, useful optical properties, and serve as dielectric encapsulation layers with low electrostatic inhomogeneity for graphene devices. Despite…

By way of the nonequilibrium Green's function simulations and first principles calculations, we report that borophene, a single layer of boron atoms that was fabricated recently, possesses an extraordinarily high lattice thermal conductance…

Materials Science · Physics 2017-05-31 Hangbo Zhou , Yongqing Cai , Gang Zhang , Yong-Wei Zhang

Heat management becomes more and more critical, especially in miniaturized modern devices, so the exploration of highly thermally conductive materials with electrical insulation and favorable mechanical properties is of great importance.…

Phosphorene, the single layer counterpart of black phosphorus, is a novel two-dimensional semiconductor with high carrier mobility and a large fundamental direct band gap, which has attracted tremendous interest recently. Its potential…

Materials Science · Physics 2015-02-06 Guangzhao Qin , Qing-Bo Yan , Zhenzhen Qin , Sheng-Ying Yue , Ming Hu , Gang Su

Hexagonal BC$_{2}$N is a superhard material recently identified to be comparable to or even harder than cubic boron nitride (c-BN) due the full $sp^3$ bonding character and the higher number of C-C and B-N bonds compared to C-N and…

Materials Science · Physics 2020-03-30 Safoura Nayeb Sadeghi , S. Mehdi Vaez Allaei , Mona Zebarjadi , Keivan Esfarjani

Polymer composites with thermally conductive nanoscale filler particles, such as graphene and hexagonal boron nitride (h-BN), are promising for certain heat transfer applications. While graphene-polymer composites have been extensively…

Applied Physics · Physics 2017-12-04 Ruimin Ma , Xiao Wan , Teng Zhang , Nuo Yang , Tengfei Luo

Discovering new materials with ultrahigh thermal conductivity has been a critical research frontier and driven by many important technological applications ranging from thermal management to energy science. Here we have rigorously…

Materials Science · Physics 2021-04-19 Huan Wu , Hang Fan , Yongjie Hu

Materials with high thermal conductivity are needed to conduct heat away from hot spots in high power electronics and optoelectronic devices. Cubic boron arsenide (c-BAs) has a high thermal conductivity due to its special phonon dispersion…

Atomically thin monolayers of graphene show excellent electronic properties which have led to a great deal of research on their use in nanoscale devices. However, heat management of such nanoscale devices is essential in order to improve…

Monolayer hexagonal boron nitride is a prototypical planar 2-dimensional system material and has been the subject of many investigations of its exceptional vibrational, spectroscopic and transport properties. The lattice thermal…

Materials Science · Physics 2025-06-18 José Pedro Alvarinhas Batista , Matthieu J. Verstraete , Aloïs Castellano

Hexagonal boron nitride (h-BN) is unique among two-dimensional materials, with a large band gap (~6 eV) and high thermal conductivity (>400 W/m/K), second only to diamond among electrical insulators. Most electronic studies to date have…

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