Local environment of Gd 3+ in MgF 2

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ID: 111051
1970
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Abstract
The electron paramagnetic resonance (EPR) of Gd3+ in MgF2 reveals that Gd3+ has two different environments in the lattice. One of them has D 2h symmetry, the EPR spectrum is characterized by a large zero field splitting [B 2 0 = 968.10−4 cm−1; B 2 2 = 357.10−4 cm−1] and the fourth order term of the spin Hamiltonian is axial; it is assumed that one Gd3+ substitutes two Mg2+. The other Gd3+ center has only monoclinic symmetry. From the analysis of the fourth order term of the spin Hamiltonian of the corresponding spectrum it is seen that one Gd3+ substitutes one Mg2+ and that this substitution produces a large local distortion of the lattice.
Reference Key
gaite1970physicslocal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors J. M. Gaite;G. R. Bulka;N. M. Hasanova;N. M. Nizamutdinov;V. M. Vinokurov;J. M. Gaite;G. R. Bulka;N. M. Hasanova;N. M. Nizamutdinov;V. M. Vinokurov;
Journal physics and chemistry of minerals
Year 1970
DOI
doi:10.1007/BF00209223
URL
https://doi.org/10.1007%2FBF00209223
Keywords
Mineralogy geochemistry crystallography and scattering methods mineral resources

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