Investigation of the Low‐Frequency Motions in Isotactic and Atactic Polypropylene by Neutron Inelastic Scattering

1964 ◽  
Vol 40 (5) ◽  
pp. 1426-1432 ◽  
Author(s):  
G. J. Safford ◽  
H. R. Danner ◽  
H. Boutin ◽  
M. Berger
Keyword(s):  
Inelastic Scattering ◽  
Low Frequency ◽  
Atactic Polypropylene ◽  
Neutron Inelastic Scattering

Investigation of Low‐Frequency Motions of H2O Molecules in Ionic Solutions by Neutron Inelastic Scattering

1969 ◽  
Vol 50 (10) ◽  
pp. 4444-4467 ◽  
Author(s):  
G. J. Safford ◽  
P. S. Leung ◽  
A. W. Naumann ◽  
P. C. Schaffer
Keyword(s):  
Inelastic Scattering ◽  
Low Frequency ◽  
Ionic Solutions ◽  
Neutron Inelastic Scattering

Neutron inelastic scattering spectra of methane on graphite at the commensurate–incommensurate phase transition

1988 ◽  
Vol 66 (4) ◽  
pp. 557-561 ◽  
Author(s):  
R. P. Humes ◽  
M. V. Smalley ◽  
T. Rayment ◽  
R. K. Thomas
Keyword(s):  
Phase Transition ◽  
Domain Wall ◽  
Inelastic Scattering ◽  
Low Frequency ◽  
Incommensurate Phase ◽  
Wall Structure ◽  
Neutron Inelastic Scattering ◽  
Scattering Spectra ◽  
Domain Wall Structure ◽  
Floating Phase

Neutron scattering spectra associated with rotational tunnelling and low frequency vibrations of CH4 adsorbed on graphite at 4 K and coverages from 0.2 to 1.5 monolayers are reported. Particular consideration is given to the changes which occur across the commensurate–incommensurate phase transition. It is shown that the incommensurate phase has a domain wall structure and is not a floating phase as had previously been proposed from theory.

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