EPR Spectroscopy of Mn2+ Cations in Chalcopyrite CuGaSe2 Matrix View Full Text


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Article Info

DATE

2021-01

AUTHORS

M. A. Zykin, T. G. Aminov, V. V. Minin, N. N. Efimov

ABSTRACT

Manganese-doped semiconductors CuGa1 – xMnxSe2 (x = 0.02–0.20) with a chalcopyrite structure have been studied by EPR spectroscopy. For all samples, a singlet signal with g factor equal to ~2.00 is observed, the width of which decreases with an increase in the manganese concentration from 22.5 to 16.2 mT. For the most diluted sample with x = 0.02, a fine and hyperfine structure of the spectrum of the Mn2+ ion is observed in the high-frequency W-range (93 GHz). The hyperfine splitting parameter A has been estimated and the longitudinal and transverse relaxation times at 10 K have been determined by the electron spin echo method. More... »

PAGES

113-116

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0036023621010137

DOI

http://dx.doi.org/10.1134/s0036023621010137

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1135365950


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