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Showing 1 to 9 of 9 for “"neutron inelastic scattering"”.
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Study of gamma rays from neutron inelastic scattering.
Massachusetts Institute of Technology. Dept. of Nuclear Engineering. Thesis. 1970. M.S.
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Studies of neutron inelastic scattering in crystal and liquid scintillators
… liquid and gel scintillators for the study of neutron inelastic scattering from elements, contained or loaded in the scintillators. The nuclides included those of iodine, cesium, lanthanum, holmium, praseodymium and bismuth. investigations showed that the technique was feasible for crystal and …
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Vibrational dynamics in strong glasses: the cases of densified v-SiO2 and v-SiSe2
… a detailed study of its dynamics by means of neutron inelastic scattering.
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On the microscopic theory of liquid ⁴He
… bring the theory in close agreement with the neutron scattering measurements. This perturbation expansion is also used to microscopically calculate the dynamic liquid structure function S(k,IU), known from neutron inelastic scattering experiments. The calculated strength Z(k) of the one …
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Electronic and lattice vibrational properties of thorium hydrides
… of hydrogen in Th4H15 have been investigated by neutron inelastic scattering. The optic phonon density of states derived from the observed scattering cross section is found to be very broad, ranging from 45 meV up to 150 meV. Two broad peaks centered about 70 and 135 meV are observed.
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Structural Study of Heterogeneous States in Lead-free NBT-based Single Crystals
… transmission electron microscopy, and neutron inelastic scattering, with the goal of investigating the mechanism coupling of morphotropic phase boundary (MPB) and the maximum property responses in A-site disordered perovskite Pb-free piezoelectric systems. Using the framework of polar …
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Phase transformations in highly electrostrictive and magnetostrictive crystals: structural heterogeneity and history dependent phase stability
… (electric/magnetic) histories, using x-ray and neutron scattering techniques. In PMN-xPT crystals, x-ray and neutron diffractions were performed along the different crystallographic orientations and for different thermal and electrical histories. Various intermediate monoclinic (M) phases that …
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Geometric frustration in high spin orbit coupling magnetic materials
… applied pressure. Here, we report on our recent neutron diffraction and inelastic scattering measurements on powders and epitaxial thin films. In both samples we observe a phase transition at $T = 90$~K. In the bulk sample a weak ($\frac{\Delta a}{a} \sim 10^{-4}$), first order structural phase …