Abstract
High-frequency broad-band (65–240 GHz) EPR is used to study impurity centers of bivalent chromium in a CdGa2S4 crystal. It is found that the EPR spectra correspond to tetragonal symmetry. The spin Hamiltonian H = βB · g · S + B 02 O 02 + B 04 O 04 + B 44 O 44 with the parameters B 02 =23659±2 MHz, B 04 =1.9±1 MHz, |B 44 |=54.2±2 MHz, g ‖=1.93±0.02, and g ⊥=1.99±0.02 is used to describe the observed spectra. It is concluded that chromium ions occupy one of the tetrahedrally coordinated cation positions.
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Translated from Fizika Tverdogo Tela, Vol. 45, No. 8, 2003, pp. 1382–1385.
Original Russian Text Copyright © 2003 by Avanesov, Badikov, Shakurov.
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Avanesov, A.G., Badikov, V.V. & Shakurov, G.S. High-frequency EPR of Cr2+ ions in CdGa2S4 . Phys. Solid State 45, 1451–1454 (2003). https://doi.org/10.1134/1.1602877
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DOI: https://doi.org/10.1134/1.1602877