Phonon-engineered extreme thermal conductivity materials

X Qian, J Zhou, G Chen - Nature Materials, 2021 - nature.com
Materials with ultrahigh or low thermal conductivity are desirable for many technological
applications, such as thermal management of electronic and photonic devices, heat …

Recent progress on the effects of impurities and defects on the properties of Ga 2 O 3

Y Wang, J Su, Z Lin, J Zhang, J Chang… - Journal of Materials …, 2022 - pubs.rsc.org
Ga2O3 is attractive for power devices and solar-blind ultraviolet photodetectors due to its
ultra-wide bandgap, large breakdown field, and favorable stability. However, it is difficult to …

Ultrahigh thermal conductivity in isotope-enriched cubic boron nitride

K Chen, B Song, NK Ravichandran, Q Zheng, X Chen… - Science, 2020 - science.org
Materials with high thermal conductivity (κ) are of technological importance and fundamental
interest. We grew cubic boron nitride (cBN) crystals with controlled abundance of boron …

High thermal conductivity in wafer-scale cubic silicon carbide crystals

Z Cheng, J Liang, K Kawamura, H Zhou… - Nature …, 2022 - nature.com
High thermal conductivity electronic materials are critical components for high-performance
electronic and photonic devices as both active functional materials and thermal …

Carrier-phonon decoupling in perovskite thermoelectrics via entropy engineering

Y Zheng, Q Zhang, C Shi, Z Zhou, Y Lu, J Han… - Nature …, 2024 - nature.com
Thermoelectrics converting heat and electricity directly attract broad attentions. To enhance
the thermoelectric figure of merit, zT, one of the key points is to decouple the carrier-phonon …

Interfacial thermal conductance across room-temperature-bonded GaN/diamond interfaces for GaN-on-diamond devices

Z Cheng, F Mu, L Yates, T Suga… - ACS applied materials & …, 2020 - ACS Publications
The wide bandgap, high-breakdown electric field, and high carrier mobility makes GaN an
ideal material for high-power and high-frequency electronics applications, such as wireless …

Phonon thermal transport and its tunability in GaN for near-junction thermal management of electronics: A review

DS Tang, BY Cao - International Journal of Heat and Mass Transfer, 2023 - Elsevier
The heat dissipation issue has now become one of the most important bottlenecks for power
electronics due to the rapid increase in power density and working frequency. Towards the …

High in-plane thermal conductivity of aluminum nitride thin films

MSB Hoque, YR Koh, JL Braun, A Mamun, Z Liu… - ACS …, 2021 - ACS Publications
High thermal conductivity materials show promise for thermal mitigation and heat removal in
devices. However, shrinking the length scales of these materials often leads to significant …

Prospects for wide bandgap and ultrawide bandgap CMOS devices

SJ Bader, H Lee, R Chaudhuri, S Huang… - … on Electron Devices, 2020 - ieeexplore.ieee.org
Power and RF electronics applications have spurred massive investment into a range of
wide and ultrawide bandgap semiconductor devices which can switch large currents and …

Thermal Transport across Ion-Cut Monocrystalline β-Ga2O3 Thin Films and Bonded β-Ga2O3–SiC Interfaces

Z Cheng, F Mu, T You, W Xu, J Shi… - … Applied Materials & …, 2020 - ACS Publications
The ultrawide band gap, high breakdown electric field, and large-area affordable substrates
make β-Ga2O3 promising for applications of next-generation power electronics, while its …