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High-temperature phase transitions, dielectric relaxation, and ionic mobility of proustite, Ag₃AsS₃, and pyrargyrite, Ag₃SbS₃

Schönau, Kristin A.; Redfern, Simon A. T.


The nature of phase transitions in natural and synthetic proustite, Ag₃AsS₃, has been studied in darkness above 300 K and compared with its natural counterpart pyrargyrite, Ag₃SbS₃. The behavior of proustite is characterized by silver ion mobility within the structure. Proustite and (to a lesser extent) pyrargyrite were investigated as a function of temperature by x-ray and neutronpowderdiffraction, dielectric spectroscopy, and dynamic mechanical analysis. At 305 K (280 K for pyrargyrite)...[Show more]

CollectionsANU Research Publications
Date published: 2002-12-15
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.1520720


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