Abstract
Impurity Cr2+ ions in the CdSe crystal are studied by tunable EPR spectroscopy in the frequency range of 70–320 GHz. The discovered Jahn–Teller tetragonal distortions of the nearest environment of the chromium ion confirm the results of recent ultrasound studies. The set of spectroscopic parameters that allows obtaining agreement between the calculates and experimental angular and field–frequency dependences of the EPR spectra is determined.
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ACKNOWLEDGMENTS
We are grateful to V. A. Shustov for orientation of the sample on an X-ray diffractometer.
Funding
This work was supported as a part of the state assignment, project nos. AAAA-A18-118030690040-8 (the study performed at the Zavoisky Physical–Technical Institute of the Federal Research Center Kazan Scientific Center of the Russian Academy of Sciences) and AAAA-A18-118020190098-5 (the study performed at the Mikheev Institute of Metal Physics). The study performed at the Ural Federal University Named after the First President of Russia B. N. Yeltsin was supported as a part of the state assignment of the Ministry of Science and Higher Education of the Russian Federation, project no. FEUZ-2020-0060.
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Translated by I. Obrezanova
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Shakurov, G.S., Gudkov, V.V., Zhevstovskikh, I.V. et al. Jahn–Teller Cr2+ Centers in a CdSe Crystal. Phys. Solid State 62, 2101–2104 (2020). https://doi.org/10.1134/S1063783420110293
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DOI: https://doi.org/10.1134/S1063783420110293