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Twinning in the superlattice structure of CuSe, synthetic klockmannite

✍ Scribed by Elliott, J. A. ;Bicknell, J. A. ;Collinge, R. G.

Book ID
117856828
Publisher
International Union of Crystallography
Year
1969
Weight
525 KB
Volume
25
Category
Article
ISSN
0567-7408

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The heat capacity of CuSe has been determined by adiabatic shield calorimetry from T15 K to T=(652.720.1) K. At the upper temperature, CuSe disproportionates into Cu2-xSe and a liquid rich in Se. The low temperature hexagonal superstructure, which is based on the covellite-type structure, changes to