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Group-theoretical treatment of the sphalerite-chalcopyrite order-disorder transition in CuIn Se 2

Group-theoretical treatment of the sphalerite-chalcopyrite order-disorder transition in CuIn Se 2 Landau's theory of second-order phase transitions is applied to the sphalerite-chalcopyrite order-disorder transition to show that this transition can take place continuously. Four different ordering symmetries are shown to arise from the irreducible representation corresponding to the ordered phase. At least two of these symmetries have been reported to occur in the ( Cu 2 Se ) x ( In 2 Se 3 ) 1 - x system. Implications for the phase diagram and properties of these important solar materials are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Group-theoretical treatment of the sphalerite-chalcopyrite order-disorder transition in CuIn Se 2

Folmer, J. C
Physical Review B , Volume 29 (11) – Jun 1, 1984
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1984 The American Physical Society
ISSN
1095-3795
DOI
10.1103/PhysRevB.29.6261
Publisher site
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Abstract

Landau's theory of second-order phase transitions is applied to the sphalerite-chalcopyrite order-disorder transition to show that this transition can take place continuously. Four different ordering symmetries are shown to arise from the irreducible representation corresponding to the ordered phase. At least two of these symmetries have been reported to occur in the ( Cu 2 Se ) x ( In 2 Se 3 ) 1 - x system. Implications for the phase diagram and properties of these important solar materials are discussed.

Journal

Physical Review B – American Physical Society (APS)

Published: Jun 1, 1984

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