Papers in this group
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Prions are the infectious agents in the class of fatal neurodegenerative diseases known as transmissible spongiform encephalopathies, which affect humans, deer, sheep, and cattle. Prion diseases of deer and sheep can be transmitted via environmental…
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The degree of overheating of a melt often plays an important role in determining its solidification behavior and the quality of the final product. However, the relationship between the level of melt overheating and the resulting undercooling is far…
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The oxide heterostructure {LaAlO3/SrTiO3} supports a two-dimensional electron liquid with a variety of competing phases, including magnetism, superconductivity, and weak antilocalization because of Rashba spin-orbit coupling. Further confinement of…
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Microstructural evolution of {UO} 2 due to irradiation damage at elevated temperatures affects both mechanical and thermal properties of {UO} 2. Atomistic modeling plays an important role in understanding the dynamics underlying the accumulation of…
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The oxide heterostructure {LaAlO} {3/SrTiO} 3 supports a two-dimensional electron liquid with a variety of competing phases, including magnetism, superconductivity, and weak antilocalization because of Rashba spin-orbit coupling. Further confinement…
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The growth of {GaAs} on (001) {rArr} 6deg Ge substrates by hydride vapor phase epitaxy has been investigated. The effects of varying deposition temperature and gas phase supersaturation on growth rate and material quality as determined by atomic…
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{Ferritic/Martensitic} ({F/M)} steels containing 9 wt.% Cr are candidates for structural and cladding components in the next generation of advanced nuclear fission and fusion reactors. Although it is known these alloys exhibit radiation-induced…
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The high-pressure behavior of magnetite has been widely debated in the literature. Experimental measurements have found conflicting high-pressure transitions: a charge reordering in magnetite from inverse-spinel to normal-spinel [Pasternak et al.,…
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Grain boundary engineering ({GBE)} has been actively studied in face-centered-cubic polycrystalline metals and alloys for property improvement. Thermomechanical processing/treatment ({TMP/TMT)} has been the most popular approach to achieve {GBE} in…
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The National Electrostatics Corporation's ({NEC)} Toroidal Volume Ion Source ({TORVIS)} source is known for exceptionally high proton currents with minimal service downtime as compared to traditional sputter sources. It has been possible to obtain…
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Molten {LiCI-KCI} eutectic salt is used in pyrochemical processing as a medium for the separation of radioactive nuclides from spent nuclear fuel. The process was developed for processing spent metallic fuel from the sodium-cooled fast reactors like…
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Molten fluoride-based salts are promising candidates for coolant or thermal exchange media in fluoride-salt-cooled high-temperature reactors ({FHR)} due to their superior thermo physical properties including high boiling point, good thermal…
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Harvesting ambient mechanical energy at the nanometer scale holds great promises for powering small electronics and achieving self-powered electronic devices. The self-powering capability allows electronic device packages to exclude bulky energy…
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Thermal properties of uranium are subjected to significant changes in a reactor due to high temperature and high radiation environment. Changes to the crystal microstructure of uranium dioxide need to be understood to maximize the fuel performance…
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Ferritic/martensitic ({F/M)} steels with a 9 wt. % Cr addition are a potential material class for structural and cladding materials due to their excellent thermal properties and resistance to swelling under irradiation. {F/M} steels have shown…
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Short-wavelength (lambda similar to 3.6 mu m) quantum-cascade-laser ({QCL)} designs, employing a metamorphic buffer layer ({MBL)} on a {GaAs} substrate, have been developed for strong carrier confinement to the active regions, as a result of…
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High temperature and radiation in nuclear reactors result in inter-diffusion and reaction between fuel and cladding. This phenomenon is called fuel-cladding chemical interactions ({FCCI).} It reduces the effective cladding wall thickness and might…
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Magnetization modulation by ferroelectric polarization switching is reported for the ferromagnetic-ferroelectric EuO/BaTiO3 heterostructure. The value of the magnetization critical exponent is consistent with the expected Heisenberg-like…
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The high-pressure behavior of magnetite has been widely debated in the literature. Experimental measurements have found conflicting high-pressure transitions: a charge reordering in magnetite from inverse-spinel to normal-spinel [Pasternak et al.,…