A structural study of very high-density amorphous ice

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DOIResolve DOI: http://doi.org/10.1016/j.cplett.2004.07.116
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TypeArticle
Journal titleChemical Physics Letters
Volume397
Issue4-6
Pages335339; # of pages: 5
AbstractNeutron and X-ray structure factor functions of very high-density amorphous (VHDA) ice have been measured and compared with those of the high- and low-density amorphous forms. The principal peak in the VHDA structure factor is sharper than that observed in the HDA ice form. Radial distribution functions (rdfs) indicate the local O...O separation is 2.83 A, close to 2.85 A estimated from earlier Raman measurements, but larger than that observed by empirical potential structure refinement simulation of neutron data. Perhaps more importantly the rdfs indicate a greater extent of ordering in VHDA ice, with observable coordination shells extending to at least 20 A.
Publication date
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12338339
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Record identifier8d1cae71-babe-4088-9f8d-7e5a2a8c1bbd
Record created2009-09-10
Record modified2016-05-09
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