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Magnetic states of Fe2+ ions in FexMn1–xS induced by chemical pressure / G. M. Abramova, Y. V. Knyazev, O. A. Bayukov, S. P. Kubrin // Phys. Solid State. - 2021. - Vol. 63, Is. 1. - P. 68-74, DOI 10.1134/S1063783421010029. - Cited References: 25. - The work was partially supported by the Ministry of Science and Higher Education of the Russian Federation (state contract in the sphere of scientific activities, Southern Federal University, 2020)
. - ISSN 1063-7834
Кл.слова (ненормированные):
monosulfides of 3d elements -- strongly correlated compounds -- Mossbauer studies -- Fe2+ ion state
Аннотация: Influence of the chemical pressure (x) in single crystals of FexMn1 – xS (0.12 ≤ x ≤ 0.29) on the spin state of iron ions was studied by Mössbauer spectroscopy in the temperature range from 4.2 to 300 K. Peculiarities of formation of the paramagnetic and antiferromagnetic phases of solid solutions were found. Substitution of Fe2+ cations in the high-spin state for Mn2+ was found to occur in FexMn1 – xS as x changes. A decrease in the distance between the ions in FexMn1 – xS induces changes in the state of the Fe2+ ions in the samples with x = 0.25 and 0.29. The asymmetry parameter of the electric field gradient (EFG) tensor and the angle between the directions of the magnetic moment and the principal axis of the electric field gradient were found to change in the magnetically ordered phase at 4.2 K; the angle between the magnetic moment and the electric field gradient axis changes from 21° in the sample with x = 0.12 to 33° when x = 0.29.
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Публикация на русском языке Магнитные состояния ионов Fe2+ в FexMn1-xS, индуцированные химическим давлением [Текст] / Г. М. Абрамова, Ю. В. Князев, О. А. Баюков, С. П. Кубрин // Физ. тверд. тела. - 2021. - Т. 63 Вып. 1.- Ст.69-75
Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Research Institute of Physics, Southern Federal University, Rostov-on-Don, 344090, Russian Federation
Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Knyazev, Yu. V.; Князев, Юрий Владимирович; Bayukov, O. A.; Баюков, Олег Артемьевич; Kubrin, S. P.
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