High ambipolar mobility in cubic boron arsenide

J Shin, GA Gamage, Z Ding, K Chen, F Tian, X Qian… - Science, 2022 - science.org
Semiconductors with high thermal conductivity and electron-hole mobility are of great
importance for electronic and photonic devices as well as for fundamental studies. Among …

High ambipolar mobility in cubic boron arsenide revealed by transient reflectivity microscopy

S Yue, F Tian, X Sui, M Mohebinia, X Wu, T Tong… - Science, 2022 - science.org
Semiconducting cubic boron arsenide (c-BAs) has been predicted to have carrier mobility of
1400 square centimeters per volt-second for electrons and 2100 square centimeters per volt …

Highly Thermal-Conductive Cubic Boron Arsenide: Single-Crystal Growth, Properties, and Future Thin-Film Epitaxy

X Wen, M Wen, C Ye, S Yu, S Yue… - The Journal of …, 2025 - ACS Publications
Heat dissipation has become a critical challenge in modern electronics, driving the need for
a revolution in thermal management strategies beyond traditional packaging materials …

Enhanced Thermoelectric Properties of Zr0.85–xHfxNb0.15–yTayCoSb Medium-Entropy Alloys: Tradeoff between “What to Alloy” and “How Much to Alloy”

R Chen, Y Yan, W Zhang, F Liu, H Kang… - Chemistry of …, 2023 - ACS Publications
Although configurational entropy is regarded to be a gene-like performance indicator for
thermoelectric (TE) materials, increasing the configurational entropy alone does not …

Vacancy-induced phonon localization in boron arsenide using a unified neural network interatomic potential

J Zhang, H Zhang, J Wu, X Qian, B Song, CT Lin… - Cell Reports Physical …, 2024 - cell.com
Boron arsenide, considered an ideal semiconductor, inevitably introduces arsenic defects
during crystal growth. Here, we develop a unified neural network interatomic potential with …

High‐Pressure Synthesis and Thermal Conductivity of Semimetallic θ‐Tantalum Nitride

H Lee, Y Zhou, S Jung, H Li, Z Cheng… - Advanced Functional …, 2023 - Wiley Online Library
The lattice thermal conductivity (κph) of metals and semimetals is limited by phonon‐phonon
scattering at high temperatures and by electron‐phonon scattering at low temperatures or in …

Recent progress on cubic boron arsenide with ultrahigh thermal conductivity

F Pan, GAG Udalamatta Gamage, H Sun… - Journal of Applied …, 2022 - pubs.aip.org
Predictions of ultrahigh thermal conductivity in boron arsenide using first-principles
calculations have motivated research to synthesize crystals and investigate their properties …

Modulation of interface modes for resonance-induced enhancement of the interfacial thermal conductance in pillar-based Si/Ge nanowires

Y Liu, Y Liu, J Yue, L Xiong, LL Nian, S Hu - Physical Review B, 2023 - APS
The interfacial thermal conductance (ITC) plays a crucial role in nanoscale heat transfer, and
its enhancement is of great interest for various applications. In this study, we explore the …

Persistent hot carrier diffusion in boron arsenide single crystals imaged by ultrafast electron microscopy

U Choudhry, F Pan, X He, B Shaheen, T Kim… - Matter, 2023 - cell.com
Cubic boron arsenide (BAs) is promising for microelectronics thermal management because
of its high thermal conductivity. Recently, its potential as an optoelectronic material is also …

High-frequency phonons drive large phonon-drag thermopower in semiconductors at high carrier density

C Li, NH Protik, NK Ravichandran, D Broido - Physical Review B, 2023 - APS
It has been well established that (i) the thermopower of semiconductors can be enhanced
through a phenomenon known as the drag effect, and (ii) the drag enhancement involves …