NEUTRON INELASTIC SCATTERING FROM SOLID HCl
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Date
1970
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Ohio State University
Abstract
High resolution neutron inelastic scattering spectra in the region below $250 cm^{-1}$ have been obtained from solid HCl at temperatures corresponding to the low temperature ferroelectric phase, the high temperature disordered phase and the recently $reported^{1}$ (120$^\circ K$--98.4$^\circ K$) intermediate phase. These data were obtained utilizing a time-of-flight spectrometer with a crystal monochromator. The resolution of this instrument is sufficient to enable previously unresolved structure to be observed. The low temperature phase data are compared to cross-sections calculated by using a full lattice dynamical $model^{2}$ and good agreement is obtained.
Description
$^{1}$K. Shimaoka, et al., J. Phys. Soc. Japan 27, 1078 (1969). $^{2}$S. F. Trevino, Applied Spectroscopy 22, 659 (1968). Gault, Trevino and Prask were guests at AMMRC, Watertown, Mass. 02172. Gault was an NRC-FRL Postdoctoral Research Associate.""
Author Institution: Explosives Laboratory, Feltman Research Laboratories
Author Institution: Explosives Laboratory, Feltman Research Laboratories