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dc.contributor.authorLushnikov, Sergey G.
dc.contributor.authorSchmidt, V. Hugo
dc.contributor.authorShuvalov, L. A.
dc.contributor.authorDolbinina, V. V.
dc.identifier.citationS.G. Lushnikov, V.H. Schmidt, L.A. Shuvalov, and V.V. Dolbinina, “Brillouin light scattering anomalies and new phase transition in Cs5H3(SO4)4 crystals,” Solid State Communications 113, 639-642 (2000).en_US
dc.description.abstractThe behavior of hypersonic longitudinal acoustic phonons at temperatures ranging from 290 to 370 K in a crystal of Cs5H3(SO4)4·nH2O was studied by Brillouin light scattering. Anomalies in the temperature dependences of the frequency shift and spectral width of the Brillouin components in the vicinity of were observed. We found a “point of isotropization” near 360 K where We attribute it to an isostructural phase transition from P63/mmc⇔P63/mmc where the apparent acoustic symmetry changes from hexagonal to cubic. Possible models for the phase transition have been discussed.en_US
dc.description.sponsorshipRFBR Grant 99-02-18316; RFBR Grant 96-02-17754; NSF Grant DMR-9805272en_US
dc.titleBrillouin light scattering anomalies and new phase transition in Cs5H3(SO4)4 crystalsen_US
mus.citation.journaltitleSolid State Communicationsen_US
mus.identifier.categoryPhysics & Mathematicsen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.universityMontana State University - Bozemanen_US

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