%0 Journal Article %1 WOS:000182277300008 %A Lima, RJC %A Freire, PTC %A Sasaki, JM %A Melo, FEA %A Mendes, J %A Lente, MH %A Eiras, JA %C THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND %D 2003 %I PERGAMON-ELSEVIER SCIENCE LTD %J SOLID STATE COMMUNICATIONS %K dielectric inelastic light phonons; response; scattering} systems; {disordered %N 6 %P 339-342 %R 10.1016/S0038-1098(03)00142-X %T Phase transition in an occupationally disordered sulfate system %V 126 %X We have investigated the behavior of the Li1.43Cs0.57SO4 single-crystal Raman spectra and dielectric permittivity as a function of temperature. It was observed that the crystal, which is an occupationally disordered system, with orthorhombic C-2v(2) structure at room temperature, undergoes a phase transition at 230 K. In the new phase the SO4 tetrahedra remain in two non-equivalent sites and there is no evidence of the doubling of the unit cell. (C) 2003 Elsevier Science Ltd. All rights reserved.

@article{WOS:000182277300008, abstract = {We have investigated the behavior of the Li1.43Cs0.57SO4 single-crystal Raman spectra and dielectric permittivity as a function of temperature. It was observed that the crystal, which is an occupationally disordered system, with orthorhombic C-2v(2) structure at room temperature, undergoes a phase transition at 230 K. In the new phase the SO4 tetrahedra remain in two non-equivalent sites and there is no evidence of the doubling of the unit cell. (C) 2003 Elsevier Science Ltd. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND}, author = {Lima, RJC and Freire, PTC and Sasaki, JM and Melo, FEA and Mendes, J and Lente, MH and Eiras, JA}, biburl = {https://www.bibsonomy.org/bibtex/2a5cab09a46c54fe7bc1319055ebacfc4/ppgfis_ufc_br}, doi = {10.1016/S0038-1098(03)00142-X}, interhash = {8c983f5474d317beab053a5ad8670902}, intrahash = {a5cab09a46c54fe7bc1319055ebacfc4}, issn = {0038-1098}, journal = {SOLID STATE COMMUNICATIONS}, keywords = {dielectric inelastic light phonons; response; scattering} systems; {disordered}, number = 6, pages = {339-342}, publisher = {PERGAMON-ELSEVIER SCIENCE LTD}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Phase transition in an occupationally disordered sulfate system}, tppubtype = {article}, volume = 126, year = 2003 }