Pressure Dependence of the Alpha-Beta Transition Temperature in Silver Selenide
- 12 February 1965
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 147 (3659) , 732-733
- https://doi.org/10.1126/science.147.3659.732
Abstract
The pressure dependence of the α-β transition temperature in Ag 2 Se was determined by observing the temperature at which the sharp change in resistivity occurs when Ag 2 Se is transformed from the low-temperature orthorhombic to the high temperature body-centered-cubic form. The transition temperature increased from 133°C at 1 atmosphere to 298°C at 47 kilobars. The value of ΔH t , the heat of transformation, of 2.19 kcal/mol measured calorimetrically agreed well with the value calculated from d T /d P of the transition.Keywords
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