Results 251 to 260 of about 1,010,863 (285)
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Journal of Physical Chemistry C, 2018
Perovskite-type oxyhydrides, BaTiO3–xHx, have been recently shown to exhibit hydride-ion (H–) conductivity at elevated temperatures, but the underlying mechanism of hydride-ion conduction and how it depends on temperature and oxygen vacancy concentration
Carin Eklöf-Österberg +9 more
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Perovskite-type oxyhydrides, BaTiO3–xHx, have been recently shown to exhibit hydride-ion (H–) conductivity at elevated temperatures, but the underlying mechanism of hydride-ion conduction and how it depends on temperature and oxygen vacancy concentration
Carin Eklöf-Österberg +9 more
semanticscholar +1 more source
Parity-violating quasielastic electron scattering
Nuclear Physics A, 1992Abstract Parity-violating quasielastic electron scattering from nuclei is studied within the context of the relativistic Fermi gas model. Three issues are discussed: (i) the merits of such studies for obtaining new information about single-nucleon form factors, especially the roles played by the axial-vector and strangeness form factors, (ii) the ...
T. W. Donnelly +5 more
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Quasielastic light scattering in silicon [PDF]
Journal of Physics C: Solid State Physics, 1984 An investigation of the origin of quasielastic light scattering from silicon surfaces, first observed by Sandercock (1972, 1978) is described. Measurements have been made of the dependence of the quasielastic spectrum upon temperature, wavevector, doping level, and polarisation and intensity of incident light.
M. W. Anderson +2 more
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Quasielastic electron scattering in quasiparticle approach
Physical Review C, 1992A quasiparticle Hamiltonian, which includes the effects of Hartree-Fock and correlations, has been introduced through a parametrization of the radial shape of the effective mass ${\mathit{m}}^{\mathrm{*}}$(r)/m. Within this phenomenological quasiparticle approach the longitudinal and transverse response functions of quasielastic electron scatterings ...
Feng Da-chun, Ma Zhongyu
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Pionic effects in quasielastic electron scattering
Nuclear Physics A, 1990Abstract Quasielastic electron scattering from nuclei at high momentum transfer and energy loss is approached using a model which incorporates specific classes of effects arising from the exchange of pions between nucleons in the nucleus. Building on the (purely nucleonic) relativistic Fermi gas responses, pionic effects in 1p1h correlation and meson
ALBERICO, Wanda Maria +2 more
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Quasielastic scattering of Li and Be on C
Nuclear Physics A, 2000Abstract The quasielastic 11 Li, 12 Be + 12 C scattering at E/A≃60 MeV has been studied by adding a fitted polarisation potential to the folding model potential derived from 9 Li, 12 Be - 12 C and neutron- 12 C phenomenological optical potentials. For 11 Li + 12 C scattering
J.C. Pacheco, N. Vinh Mau
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Internal Viscosity and Quasielastic Scattering
The Journal of Chemical Physics, 1971The hypotheses leading to internal viscosity of polymers are formulated in terms of the neutron incoherent quasielastic scattering law. The mean squared displacement, calculated in the free draining limit, is obtained as an analytical function of the internal viscosity parameter and is shown to decrease uniformly as this parameter increases.
J. P. Cotton +3 more
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Quasielastic Light Scattering from Diamond
Physical Review Letters, 1985Strong quasielastic features have been found in light scattering from diamond in the frequency range 0 to \ifmmode\pm\else\textpm\fi{} 200 GHz and have been investigated as a function of wave-vector transfer ($Q$) and temperature ($T$). The evolution of a relatively narrow Lorentzian component (\ensuremath{\sim} 10 GHz) demonstrates for the first time ...
Howard E. Jackson +3 more
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Quasielastic Electron Scattering on 65Cu
AIP Conference Proceedings, 2007The pioneer method for extraction of quasielastic part from the spectrum of scattered electrons is proposed. The essence of the method is in simultaneous multipole analysis of the mix of quasielastic and resonant formfactors. The identification of resonant peaks and quasielastic part of the formfactor have been held not in scattered electron spectra ...
V. Khvastunov +3 more
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Inelastic and quasielastic neutron scattering
Current Opinion in Solid State and Materials Science, 1997Inelastic neutron scattering is a technique for measuring the dynamics of condensed matter on a microscopic scale. Several dynamical regimes can be probed, including atomic momentum distributions, vibrations, and relaxation phenomena. Recent work has been carried out to investigate the dynamics of disordered materials.
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