Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98928
Type: Artigo de periódico
Title: High-pressure Phase Transitions In Li2so4
Author: Lemos V.
Sergio C.S.
Cazzanelli E.
Fontana A.
Abstract: Raman spectroscopy of Li2SO4 was performed for pressures in the range 1 bar to 80 kbar. The crystal remains in the original phase if the pressure is kept below 13 kbar. At this pressure the spectrum undergoes qualitative changes in a continuous way as a function of time, up to about eight hours. This was interpreted as a dynamical transition to a new structure, called the phase. Substantial modifications in the spectra were also observed to occur when the pressure exceeded 35 kbar. Above this value the results suggest another high-pressure phase with a noncentrosymmetric space group. © 1990 The American Physical Society.
Editor: 
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.41.11593
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-26144468781&partnerID=40&md5=2f0b648c1bef34597c71fa199f0cefe0
Date Issue: 1990
Appears in Collections:Unicamp - Artigos e Outros Documentos

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