Studies of structure, thermal, and electrical properties for Cs
5
H
3
(SO
4
)
4
crystal |
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| Authors: | T Fukami S Jin R H Chen |
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| Institution: | (1) Department of Physics and Earth Sciences, Faculty of Science, University of the Ryukyus, Okinawa 903-0213, Japan;(2) Department of Physics, National Taiwan Normal University, 88 section 4 Ting-Chou Road, Taipei, 11677, Taiwan |
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| Abstract: | Electrical conductivity, differential scanning calorimetry, and X-ray diffraction measurements were performed on a pentacesium trihydrogen tetrasulfate, Cs5H3(SO4)4, crystal. The transition entropy at a superionic phase transition and the activation energy of proton migrations in the superionic phase were determined to be 58.2 J K−1 mol−1 and 0.48 eV, respectively. The crystal structure of Cs5H3(SO4)4 at room temperature was refined. The electrical conduction in Cs5H3(SO4)4 was discussed with the refined structure. |
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| Keywords: | Cs5H3(SO4)4 Superionic phase Proton conductor Crystal structure Electrical conductivity DSC X-ray diffraction |
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