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Unusual Dependence of the Shape of Lines in the Electron Paramagnetic Resonance Spectra of Gd3+ Ions in a Pb1−xGdxS Semiconductor on Microwave Power: Shape Parameters and One Possible Nature of the Effect

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Electron paramagnetic resonance (EPR) spectroscopy reveals an unusual dependence of the shape of resonant lines of Gd3+ centers on the level of microwave power in the spectrometer’s cavity at temperature T = 4.2 K. The centers are contained in crystals of narrow-band semiconductor material Pb1−xGdxS (x = 1.3 ×10–3). The shape of the lines of the observed EPR spectra are analyzed numerically, and possible causes of the detected dependence are discussed.

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Authors and Affiliations

  1. Kazan State Power Engineering University, 420066, Kazan, Tatarstan, Russia

    V. A. Ulanov, R. R. Zainullin & T. A. H. Housheya

  2. Zavoisky Physical-Technical Institute, Kazan Scientific Center, Russian Academy of Sciences, 420029, Kazan, Tatarstan, Russia

    V. A. Ulanov & I. V. Yatsyk

Authors
  1. V. A. Ulanov
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  2. R. R. Zainullin
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  3. T. A. H. Housheya
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  4. I. V. Yatsyk
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Correspondence to V. A. Ulanov.

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Translated by M. Samokhina

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Ulanov, V.A., Zainullin, R.R., Housheya, T.A. et al. Unusual Dependence of the Shape of Lines in the Electron Paramagnetic Resonance Spectra of Gd3+ Ions in a Pb1−xGdxS Semiconductor on Microwave Power: Shape Parameters and One Possible Nature of the Effect. Bull. Russ. Acad. Sci. Phys. 85, 1337–1341 (2021). https://doi.org/10.3103/S1062873821120352

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  • DOI: https://doi.org/10.3103/S1062873821120352

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