High Pressure Reactions in the Systems Zn3As2—As and Cd3As2—As
Open Access
- 1 October 1975
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 30 (9-10) , 688-695
- https://doi.org/10.1515/znb-1975-9-1007
Abstract
ZnAs2 and CdAs2 decompose at high pressure and temperature. The determined decomposition boundaries are presented. From synthesis experiments in the systems Cd3As2—As and Zn3As2—As, the decomposition products were found to be mixtures of CdAs + As and ZnAs + As. The high pressure phases CdAs and ZnAs are orthorhombic, space group D15 2h — Pbca, with αo = 5.993 A, bo = 7.819 A, co = 8.010 Å and αo = 5.679 A, bo = 7.277 A, co = 7.559 Å, respectively. Further phases are recovered from the high temperature region at high pressure.Keywords
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