The EPR and NQR in layered crystal of GaSe: Gd

Andriy Samila; Galina Lastivka; Alexander Khandozhko; Zahar Kovalyuk

doi:10.1117/12.2541620

6 February 2020 The EPR and NQR in layered crystal of GaSe: Gd

Andriy Samila, Galina Lastivka, Alexander Khandozhko, Zahar Kovalyuk

Proceedings Volume 11369, Fourteenth International Conference on Correlation Optics; 1136919 (2020) https://doi.org/10.1117/12.2541620
Event: Fourteenth International Conference on Correlation Optics, 2019, Chernivtsi, Ukraine

Abstract

The influence of the polytypical structure of GaSe on the shape of the EPR spectra of the gadolinium impurity in the Gd³⁺ state has been investigated. It is shown that in a layered crystal at impurity concentration of about 10¹⁸ cm^-3 at least three types of paramagnetic centers appear. The presence of nonequivalent positions of the Gd³⁺ ion is explained by the presence of polytypic modifications in GaSe. It was revealed that the introduction of a paramagnetic impurity into the crystal significantly expands the NQR spectrum.

Citation Download Citation

Andriy Samila, Galina Lastivka, Alexander Khandozhko, and Zahar Kovalyuk "The EPR and NQR in layered crystal of GaSe: Gd", Proc. SPIE 11369, Fourteenth International Conference on Correlation Optics, 1136919 (6 February 2020); https://doi.org/10.1117/12.2541620

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