Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98215
Type: Artigo de periódico
Title: Pressure-induced Phase Transitions In Kliso4
Author: Melo F.E.A.
Lemos V.
Cerdeira F.
Filho J.M.
Abstract: The room-temperature Raman spectrum of KLiSO4 was studied as a function of pressure up to 100 kbar. We discuss the evolution of the portion of the spectrum (>600 cm-1) containing the vibrational modes of the SO4 2 ions, as a function of steadily increasing or steadily decreasing pressure. We identify three distinct phase transitions which show a high degree of hysteresis. In one of the phases ( phase) the Raman spectrum undergoes qualitative changes in a continuous manner as pressure increases. This behavior, which is not shown by any of the other observed phases, may be an indication that the phase is incommensurate. © 1987 The American Physical Society.
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Rights: aberto
Identifier DOI: 10.1103/PhysRevB.35.3633
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0004029005&partnerID=40&md5=1be927242a0dbfda1afb3bf2b635454e
Date Issue: 1987
Appears in Collections:Unicamp - Artigos e Outros Documentos

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