Cesium hydrosulfate phosphate crystals: conductivity and real structure at increasing temperature
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Cesium hydrosulfate phosphate crystals: conductivity and real structure at increasing temperature
Annotation
PII
S0023476125010119-1
Publication type
Article
Status
Published
Authors
R. V. Gainutdinov 
Affiliation: Shubnikov Institute of Crystallography of Kurchatov Complex of Crystallography and Photonics of NRC “Kurchatov institute”
Pages
84-89
Abstract
Superprotonic crystals Cs3(HSO4)2(H2PO4) and Cs4(HSO4)3(H2PO4) have been investigated by conducting atomic force microscopy at increasing temperature. Local volt-ampere characteristics have been measured and an increase in conductivity at 413–453 K for Cs3(HSO4)2(H2PO4) and Cs4(HSO4)3(H2PO4) by two and three orders of magnitude, respectively, has been recorded. Differences in the conductive characteristics of crystals of different compositions in the vicinity of the phase transition are shown. Information on topographic and electrical features of crystalline phases before and after exposure to temperature and electric fields has been obtained. The influence of external factors on the stability of the surface microstructure is evaluated. Possible mechanisms of structural-phase transformations of isostructural compounds with different ratio of sulfate and phosphate groups are discussed.
Received
04.04.2025
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