Thermal Characterization of Ferroelectric Al1–xBxN for Nonvolatile Memory

K Kang, JA Casamento, DC Shoemaker… - … Applied Materials & …, 2024 - ACS Publications
Boron (B)-substituted wurtzite AlN (Al1–x B x N) is a recently discovered wurtzite ferroelectric
material that offers several advantages over ferroelectric Hf1–x Zr x O2 and PbZr1–x Ti x O3 …

(Ultra) wide bandgap semiconductor heterostructures for electronics cooling

Z Cheng, Z Huang, J Sun, J Wang, T Feng… - Applied Physics …, 2024 - pubs.aip.org
The evolution of power and radiofrequency electronics enters a new era with (ultra) wide
bandgap semiconductors such as GaN, SiC, and β-Ga 2 O 3, driving significant …

Effect of AlN interlayer thickness on thermal conductances of GaN epilayer and GaN/SiC interface in GaN-on-SiC heterostructures

L Wang, Z Zhang, X Su, J Zhou, J Chen, Z Li… - Applied Surface …, 2025 - Elsevier
The temperature rise in GaN-on-SiC based high electron mobility transistors (HEMTs) is
firmly dependent on the thermal conductivity (k) of GaN epilayer and the interfacial thermal …

Multi-Wavelength Laser-Based Transient Thermoreflectance for Channel-Temperature Monitoring of GaN HEMTs

Y Mao, H Zhang, Y Ma, H Wang… - IEEE Transactions on …, 2025 - ieeexplore.ieee.org
Simultaneous high-spatial and high-temporal resolution channel-temperature
characterization methods are in great demand but still lacking for GaN devices. In this work …

Experimental observation of ballistic to diffusive transition in phonon thermal transport of AlN thin films

MSB Hoque, YR Koh, S Zare, ME Liao, K Huynh… - Applied Physics …, 2024 - pubs.aip.org
Ultrawide bandgap semiconductor aluminum nitride (AlN) possesses high thermal
conductivity in bulk form due to long phonon mean-free-paths, high group velocity, and long …

Comparison of Different Cooling Schemes for AlGaN/GaN High-Electron Mobility Transistors

Y Song, C Chen, Q Wang, J Feng, R Fu, X Zhang… - Micromachines, 2023 - mdpi.com
Cooling is important for AlGaN/GaN high-electron mobility transistors (HEMTs) performance.
In this paper, the advantages and disadvantages of the cooling performance of three cooling …

Experimental observation of ballistic to diffusive transition in AlN thin films

MSB Hoque, ME Liao, S Zare, Z Liu, YR Koh… - arxiv preprint arxiv …, 2024 - arxiv.org
Bulk AlN possesses high thermal conductivity due to long phonon mean-free-paths, high
group velocity, and long lifetimes. However, the thermal transport scenario becomes very …

Thermophysical Property Measurement of GaN-on-AlN Wafers for Next-Generation RF Device Technologies

H Walwil, DC Shoemaker… - International …, 2024 - asmedigitalcollection.asme.org
Gallium nitride (GaN) high electron mobility transistors (HEMTs) play a crucial role in
modern radio frequency (RF) power amplifiers. However, the performance and reliability of …