Site inequivalence for Mn 2+  substitution on Zn sites in ZnGeP 2  and ZnSiP 2 | Zendy

Gehlhoff W. | Zendy; Azamat D. | Zendy; Voevodin V. G. | Zendy; Hoffmann A. | Zendy

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Site inequivalence for Mn 2+ substitution on Zn sites in ZnGeP 2 and ZnSiP 2

Author(s) -

Gehlhoff W.,

Azamat D.,

Voevodin V. G.,

Hoffmann A.

Publication year - 2005

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.200409086

Subject(s) - electron paramagnetic resonance , crystallography , chemistry , chalcopyrite , hamiltonian (control theory) , nuclear magnetic resonance , physics , mathematics , copper , organic chemistry , mathematical optimization

The magnetic site‐inequivalence of the both Zn sites in ZnGeP 2 (ZnSiP 2 ) could be resolved for Mn Zn 2+ ( S = $ \textstyle 5 \over 2 $ ) by electron paramagnetic resonance (EPR) measurements. The EPR spectra are analyzed with the generalized spin Hamiltonian (SH) for S 4 symmetry. We found that the Mn substitu‐tion on Zn site causes a strong local distortion of the free parameter x f , which describes the positions of the anions in chalcopyrite structures with c / a ≠ 2. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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