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01-03-2022 | ELECTRICAL AND MAGNETIC PROPERTIES

The Shape of Electron Paramagnetic Resonance Lines of Pr_0.7Ca_0.15Ba_0.15MnO₃ Manganite

Authors: A. N. Ulyanov, Seong-Cho Yu, Hui Xia, S. V. Savilov

Published in: Physics of Metals and Metallography | Issue 3/2022

Abstract

In Pr_0.7Ca_0.15Ba_0.15MnO₃ manganite, the spin dynamics is studied by the method of electron paramagnetic resonance (EPR). The analysis showed that at the temperature Т_L ≈T_min, which corresponds to the minimal width of the EPR line, the shape of lines of absorption spectra is perfectly described by a single Lorentzian. At other temperatures (not Т_L), the absorption lines of the EPR spectra are asymmetric, which is caused by their exchange broadening at Т < Т_L or hopping conductivity at T > Т_L.

previous article Influence of the Peculiarities of Artificial Fragmentation of Domain Structure in a Fe–3% Si Anisotropic Electrical Steel on the Efficiency of Reducing the Magnetic Losses

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Title: The Shape of Electron Paramagnetic Resonance Lines of Pr0.7Ca0.15Ba0.15MnO3 Manganite
Authors: A. N. Ulyanov
Seong-Cho Yu
Hui Xia
S. V. Savilov
Publication date: 01-03-2022
Publisher: Pleiades Publishing
Published in: Physics of Metals and Metallography / Issue 3/2022
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X22030139

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