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Related papers: Basic Physical Properties of Cubic Boron Arsenide

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Recent measurements of an unusual high thermal conductivity of around 1000 W m-1 K-1 at room temperature in cubic boron arsenide (BAs) confirm predictions from theory and suggest potential applications of this semiconductor compound for…

Materials Science · Physics 2019-07-03 Xi Chen , Chunhua Li , Fei Tian , Geethal Amila Gamage , Sean Sullivan , Jianshi Zhou , David Broido , Zhifeng Ren , Li Shi

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…

Cubic boron arsenide (c-BAs) has been theoretically predicted to exhibit thermal conductivity \k{appa} comparable to that of diamond, yet experimental measurements have plateaued at ~1300W/mK. We report room-temperature \k{appa} exceeding…

The high thermal conductivity of boron arsenide (BAs) makes it a promising material for optoelectronic applications in which thermal management is central. In this work, we study the finite temperature optoelectronic properties of BAs by…

Materials Science · Physics 2019-06-18 Ivona Bravić , Bartomeu Monserrat

The ultrahigh thermal conductivity of boron arsenide makes it a promising material for next-generation electronics and optoelectronics. In this work, we report measured optical properties of cubic boron arsenide crystals including the…

We determine the fundamental electronic and optical properties of the high-thermal-conductivity III-V semiconductor boron arsenide (BAs) using density functional and many body perturbation theory including quasiparticle and spin-orbit…

Materials Science · Physics 2019-01-17 Kyle Bushick , Kelsey Mengle , Nocona Sanders , Emmanouil Kioupakis

Cubic boron arsenide (BAs) is promising for microelectronics thermal management due to its high thermal conductivity. Recently, its potential as an optoelectronic material is also being explored. However, it remains challenging to measure…

We present an ab-initio study of the temperature dependent elastic constants of BAs, a semiconductor that exhibits ultra-high thermal conductivity and is under investigation for thermal management in electronics. We test the consistency of…

Materials Science · Physics 2020-07-15 Cristiano Malica , Andrea Dal Corso

Recent reported very high thermal conductivities in the cubic boron arsenide (BAs) and boron phosphide (BP) crystals could potentially provide a revolutionary solution in the thermal management of high power density devices. To fully…

Cubic boron arsenide (BAs) is a promising semiconductor for next-generation electronics due to its outstanding ambipolar mobility and thermal conductivity, the latter of which is attributed to the suppression of three-phonon scattering.…

Recent experiment reports that high thermal conductivity of ~1000 W/mK is observed in cubic boron arsenide crystal (BAs). In order to expand the scope of future applications, we use first-principles calculations to investigate the…

Materials Science · Physics 2018-10-29 Yanfeng Ge , Wenhui Wan , Yong Liu

Boron arsenide (BAs) single crystals had been previously reported to have thermal conductivity of 1500 W/mK at room temperature. Now we achieved thermal conductivity above 2100 W/mK at room temperature in BAs crystals due to much lower…

Cubic BAs has received recent attention for its large electron and hole mobilities and large thermal conductivity. This is a rare and much desired combination in semiconductor industry: commercial semiconductors typically have high electron…

Materials Science · Physics 2023-05-30 Swagata Acharya , Dimitar Pashov , Mikhail I Katsnelson , Mark van Schilfgaarde

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.…

BAs is III-V semiconductor with ultra-high thermal conductivity, but many of its electronic properties are unknown. This work applies predictive atomistic calculations to investigate the properties of BAs heterostructures, such as strain…

Materials Science · Physics 2019-09-05 Kyle Bushick , Sieun Chae , Zihao Deng , John Heron , Emmanouil Kioupakis

The thermal conductivity of boron arsenide (BAs) is believed to be influenced by phonon scattering selection rules due to its special phonon dispersion. Compression of BAs leads to significant changes in phonon dispersion, which allows for…

Materials Science · Physics 2023-02-20 Songrui Hou , Bo Sun , Fei Tian , Qingan Cai , Shanming Wang , Wanyue Peng , Xi Chen , Zhifeng Ren , Chen Li , Richard Wilson

Gallium oxide (Ga$_2$O$_3$) has attracted significant interest for its unique potential especially in power electronics. However, its low and anisotropic thermal conductivity poses a major challenge for heat dissipation. Here, we explore an…

Materials Science · Physics 2025-10-01 Wenjiang Zhou , Nianjie Liang , Wei Xiao , Zhaofei Tong , Fei Tian , Bai Song

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

High-efficient heat dissipation plays critical role for high-power-density electronics. Experimental synthesis of ultrahigh thermal conductivity boron arsenide (BAs, 1300 W m-1K-1) cooling substrates into the wide-bandgap semiconductor of…

Materials Science · Physics 2024-01-25 Jing Wu , E Zhou , An Huang , Hongbin Zhang , Ming Hu , Guangzhao Qin

Boron arsenide (BAs) has been the least investigated cubic III-V compound, but it has recently attracted significant attention since the confirmation of its unusually high thermal conductivity above 1000 W/m-K. However, determining how to…

Materials Science · Physics 2019-11-21 Geethal Amila Gamage , Ke Chen , Gang Chen , Fei Tian , Zhifeng Ren
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