Thermodynamic properties of Rb2ZnCl4 associated with three phase transitions |
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| Authors: | B.K. Chaudhuri K. Nomoto T. Atake H. Chihara |
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| Affiliation: | 1. Chemical Thermodynamics Laboratory and Department of Chemistry, Faculty of Science, Osaka University, Toyonaka, Osaka 560, Japan |
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| Abstract: | Transitions were observed by heat capacity measurements at 74.6 K, 195.2 K, and 303 K. They are a soft mode transition (ΔHt = 30 J mol?1, ΔSt = 0.42 J K?1 mol?1), a first-order commensurate-incommensurate transition (ΔHt = 6.2 J mol?1ΔSt = 0.032 J K?1 mol?1), and a second-order incommensurate-normal transition, respectively. |
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