Electron Paramagnetic Resonance of Divalent V, Mn, and Co in Single Crystals of CdI 2  and PbI 2 | Zendy

van der Valk H. J. L. | Zendy; Meertens P. | Zendy; Haas C. | Zendy

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Electron Paramagnetic Resonance of Divalent V, Mn, and Co in Single Crystals of CdI 2 and PbI 2

Author(s) -

van der Valk H. J. L.,

Meertens P.,

Haas C.

Publication year - 1978

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.2220870116

Subject(s) - electron paramagnetic resonance , covalent bond , hyperfine structure , octahedron , crystallography , atomic orbital , chemistry , anisotropy , ligand field theory , crystal field theory , paramagnetism , materials science , nuclear magnetic resonance , electron , crystal structure , condensed matter physics , atomic physics , ion , physics , organic chemistry , quantum mechanics

EPR spectra are reported of V 2+ , Mn 2+ , and Co 2+ in CdI 2 and PbI 2 single crystals. The g ‐values of V 2+ are strongly affected by covalent mixing of metal 3d with iodine 5p orbitals. The ligand hyperfine interaction is different for Mn substituted in CdI 2 and PbI 2 , respectively. The change is attributed to a different covalent bonding in the two lattices due to the local distortion of the MnI 6 octahedra. The temperature dependence of the zero‐field splitting of Mn 2+ is explained in terms of the anisotropy of the nuclear vibrations.

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