Thermal energy transport in oxide nuclear fuel

DH Hurley, A El-Azab, MS Bryan, MWD Cooper… - Chemical …, 2021 - ACS Publications
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …

Opportunities and limitations for ion beams in radiation effects studies: Bridging critical gaps between charged particle and neutron irradiations

SJ Zinkle, LL Snead - Scripta Materialia, 2018 - Elsevier
Ion beams are indispensible for understanding radiation effects in materials, enabling
access to conditions challenging to perform with neutrons. However, ion irradiations can …

Effects of Thermal Boundary Resistance on Thermal Management of Gallium-Nitride-Based Semiconductor Devices: A Review

T Zhan, M Xu, Z Cao, C Zheng, H Kurita, F Narita… - Micromachines, 2023 - mdpi.com
Wide-bandgap gallium nitride (GaN)-based semiconductors offer significant advantages
over traditional Si-based semiconductors in terms of high-power and high-frequency …

Size effects on the thermal conductivity of amorphous silicon thin films

JL Braun, CH Baker, A Giri, M Elahi, K Artyushkova… - Physical Review B, 2016 - APS
We investigate thickness-limited size effects on the thermal conductivity of amorphous
silicon thin films ranging from 3 to 1636 nm grown via sputter deposition. While exhibiting a …

Thermal imaging study to determine the operational condition of a conveyor belt drive system structure

D Szurgacz, S Zhironkin, S Vöth, J Pokorný… - Energies, 2021 - mdpi.com
The paper discusses the results of a study carried out to determine the thermal condition of a
conveyor power unit using a thermal imaging camera. The tests covered conveyors in the …

Thermal diffusivity degradation and point defect density in self-ion implanted tungsten

A Reza, H Yu, K Mizohata, F Hofmann - Acta Materialia, 2020 - Elsevier
Using transient grating spectroscopy (TGS) we measure the thermal diffusivity of tungsten
exposed to different levels of 20 MeV self-ion irradiation. Damage as low as 3.2× 10− 4 …

Impact of irradiation induced dislocation loops on thermal conductivity in ceramics

M Khafizov, J Pakarinen, L He… - Journal of the American …, 2019 - Wiley Online Library
Experimental work aimed at understanding the role of dislocation loops in limiting phonon
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …

Spatially resolved thermoreflectance techniques for thermal conductivity measurements from the nanoscale to the mesoscale

DH Olson, JL Braun, PE Hopkins - Journal of Applied Physics, 2019 - pubs.aip.org
Thermoreflectance techniques, namely, time-and frequency-domain thermoreflectance
(TDTR and FDTR, respectively), are ubiquitously used for the thermophysical …

[PDF][PDF] Significant radiation tolerance and moderate reduction in thermal transport of a tungsten nanofilm by inserting monolayer graphene

S Si, W Li, X Zhao, M Han, Y Yue, W Wu, S Guo… - Advanced …, 2017 - me.iastate.edu
DOI: 10.1002/adma. 201604623 the catastrophic Fukushima Nuclear Accident.[6] Therefore,
it is necessary to search for a suitable material with both excellent radiation tolerance and …

Orders of magnitude reduction in the thermal conductivity of polycrystalline diamond through carbon, nitrogen, and oxygen ion implantation

EA Scott, K Hattar, JL Braun, CM Rost, JT Gaskins… - Carbon, 2020 - Elsevier
Despite the exceptional thermal and mechanical functionalities of diamond, its superlative
properties are highly subject to the presence of point defects, dislocations, and interfaces. In …