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Titolo:
NEUTRON-DIFFRACTION STUDY OF THE STRUCTURE OF DEUTERATED ICE-VIII TO 10 GPA
Autore:
NELMES RJ; LOVEDAY JS; WILSON RM; BESSON JM; PRUZAN P; KLOTZ S; HAMEL G; HULL S;
Indirizzi:
UNIV EDINBURGH,DEPT PHYS EDINBURGH EH9 3JZ MIDLOTHIAN SCOTLAND UNIV PARIS 06,PHYS MILIEUX CONDENSES F-75252 PARIS 05 FRANCE UNIV PARIS 06,DEPT HAUTES PRESS F-75252 PARIS 05 FRANCE RUTHERFORD APPLETON LAB,ISIS FACIL DIDCOT OX11 0QX OXON ENGLAND
Titolo Testata:
Physical review letters
fascicolo: 8, volume: 71, anno: 1993,
pagine: 1192 - 1195
SICI:
0031-9007(1993)71:8<1192:NSOTSO>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
POWDER DIFFRACTION; HIGH-PRESSURE; RAMAN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
23
Recensione:
Indirizzi per estratti:
Citazione:
R.J. Nelmes et al., "NEUTRON-DIFFRACTION STUDY OF THE STRUCTURE OF DEUTERATED ICE-VIII TO 10 GPA", Physical review letters, 71(8), 1993, pp. 1192-1195

Abstract

The pressure dependence of the structure of deuterated ice VIII has been studied by time-of-flight neutron powder diffraction up to 10 GPa. The precision of the values of the intramolecular bond length O-D is /- 0.003 angstrom or better at all pressures, and the rate of increase of the O-D bond length is found to be 0.0004(4) angstrom GPa-1. Thisvalue is significantly smaller than previous estimates, which all incorporate the assumption that the form of the O-H potential is constantwith pressure. It appears that this is not the case.

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Documento generato il 07/07/20 alle ore 04:32:40