Neutron scattering studies of vapor deposited amorphous ice

A. I. Kolesnikov, J. C. Li, S. Dong, I. F. Bailey, R. S. Eccleston, W. Hahn, S. F. Parker

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34 Scopus citations

Abstract

Inelastic neutron scattering spectra were measured for amorphous ice H2O and D2O produced by low-temperature and low-rate vapor deposition. The data show that the deposition produced the low-density amorphous form of ice, i.e., the high-density amorphous ice observed by x-ray [A. H. Narten, C. G. Venkatesh, and S. A. Rice, J. Chem. Phys. 64, 1106 (1976)] and electron diffraction [P. Jenniskens and D. F. Blake, Science 265, 753 (1994)] under similar conditions was not detected. This result was confirmed by separate neutron diffraction experiments. Vibrational spectra of the deposited amorphous ice were dissimilar to that of ice Ih/Ic, as was believed previously.

Original languageEnglish
Pages (from-to)1869-1872
Number of pages4
JournalPhysical Review Letters
Volume79
Issue number10
DOIs
StatePublished - 1997
Externally publishedYes

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