The (CuGaSe 2 ) 1− x   (MgSe)  x   alloy system (0 ≤  x  ≤ 0.5): X‐ray diffraction, energy dispersive spectrometry and differential thermal analysis | Zendy

Grima Gallardo P. | Zendy; Muñoz M. | Zendy; Delgado G. E. | Zendy; Briceño J. M. | Zendy; Ruiz J. | Zendy

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The (CuGaSe 2 ) 1− x (MgSe) x alloy system (0 ≤ x ≤ 0.5): X‐ray diffraction, energy dispersive spectrometry and differential thermal analysis

Author(s) -

Grima Gallardo P.,

Muñoz M.,

Delgado G. E.,

Briceño J. M.,

Ruiz J.

Publication year - 2004

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200302010

Subject(s) - alloy , x ray crystallography , diffraction , x ray , lattice constant , chalcopyrite , crystallography , analytical chemistry (journal) , lattice (music) , solid solution , materials science , chemistry , copper , metallurgy , physics , optics , chromatography , acoustics

The (CuGaSe 2 ) 1− x (MgSe) x alloy system (0 < x ≤ 0.5) was investigated using X‐ray powder diffraction, energy dispersion spectrometry and differential thermal analysis. The solubility of MgSe in CuGaSe 2 was found to be nearly complete for all the compositions studied, although traces of MgSe appear as a secondary phase at x ≥ 0.15. All the alloys showed the chalcopyrite structure and the lattice parameters of the unit cell do not follow a linear behavior but showed a soft local maximum at x ∼ 0.15. In the single‐phase field, the increasing behavior of the lattice parameters can be reproduced using an extension for quaternary alloys of Jaffe and Zunger's model for chalcopyrites. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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