A review of thermoreflectance techniques for characterizing wide bandgap semiconductors' thermal properties and devices' temperatures

C Yuan, R Hanus, S Graham - Journal of Applied Physics, 2022 - pubs.aip.org
Thermoreflectance-based techniques, such as pump–probe thermoreflectance (pump–
probe TR) and thermoreflectance thermal imaging (TTI), have emerged as the powerful and …

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 …

Thermal transport in defective and disordered materials

R Hanus, R Gurunathan, L Lindsay, MT Agne… - Applied physics …, 2021 - pubs.aip.org
With significant recent advancements in thermal sciences—such as the development of new
theoretical and experimental techniques, and the discovery of new transport mechanisms—it …

Quantitative study on thermoreflectance linear relation

B Meng, Y Ma, X Wang, C Yuan - Journal of Applied Physics, 2023 - pubs.aip.org
Standard thermoreflectance-based measurements have been routinely taken on thin metal
transducer (Au or Al) deposited samples. This is based on the fundamental hypothesis that …

Suppressed electronic contribution in thermal conductivity of Ge2Sb2Se4Te

K Aryana, Y Zhang, JA Tomko, MSB Hoque… - Nature …, 2021 - nature.com
Integrated nanophotonics is an emerging research direction that has attracted great interests
for technologies ranging from classical to quantum computing. One of the key-components …

Tensile and compressive stresses in Cu/W multilayers: Correlation with microstructure, thermal stability, and thermal conductivity

G Lorenzin, MSB Hoque, D Ariosa, LPH Jeurgens… - Acta Materialia, 2022 - Elsevier
The internal stress and microstructure in nanomultilayers strongly affect their reliability and
performance, especially towards higher service temperatures. The initial stress and …

Evaluating size effects on the thermal conductivity and electron-phonon scattering rates of copper thin films for experimental validation of Matthiessen's rule

MR Islam, P Karna, JA Tomko, ER Hoglund… - Nature …, 2024 - nature.com
As metallic nanostructures shrink towards the size of the electronic mean free path, thermal
conductivity decreases due to increased electronic scattering rates. Matthiessen's rule is …

Optical and thermal properties of Ge2Sb2Te5, Sb2Se3, and Sb2S3 for reconfigurable photonic devices

K Aryana, HJ Kim, MR Islam, N Hong… - Optical Materials …, 2023 - opg.optica.org
Phase change materials (PCMs) are one of the most promising materials candidates for
reconfigurable optics owing to their two solid-state atomic structures that render distinct …

Study on thermoreflectance linear relation of gallium nitride epitaxial structures at above-bandgap wavelength

Y Ma, M Wu, H Zhang, H Sun, C Yuan - Materials Today Physics, 2024 - Elsevier
Increasing attention has been paid to the transducer-less thermoreflectance measurements
on gallium-nitride (GaN) semiconductors to reveal their thermal properties as well as …

Transducer-less thermoreflectance technique for measuring thermal properties of the buried buffer layer and interface in GaN-based HEMTs

C Yuan, B Meng, Y Mao, M Wu, F Jia… - ACS Applied …, 2022 - ACS Publications
Measuring the thermal properties of the buried GaN buffer layer and interface in GaN high-
electron mobility transistor (HEMT) structures is of crucial importance. This remains …