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Вид документа : Статья из журнала Шифр издания :
Автор(ы) : Abramova G. M., Schefer, Juerg, Aliouane N., Boehm M., Petrakovskiy G. A., Vorotynov A. M., Gorev M. V., Bovina A. F., Sokolov V. V.
Заглавие : Single-crystal and powder neutron diffraction study of the FeXMn1−XS solid solutions
Место публикации : J. Alloys Compd.: Elsevier Science, 2015. - Vol. 632. - P.563-567. - ISSN 0925, DOI 10.1016/j.jallcom.2015.01.162. - ISSN 18734669(eISSN)DOI 10.1002/chin.201522001 Примечания : Cited References:23. - This study was supported in part by the INTAS project no. 06-1000013-9002 and the CRDF-SB RAS project no. RUP1-7054-KR-11, N 16854.
Предметные рубрики: PHASE-TRANSITIONS ALPHA-MNS MAGNETIC STRUCTURES HIGH-PRESSURE FEO Ключевые слова (''Своб.индексиров.''): magnetic semiconductors--neutron diffraction Аннотация: The α-MnS-based FeXMn1−XS (0 < x < 0.3) solid solutions are synthesized and shown to be new Mott materials with the rock salt structure. Neutron diffraction data show that the chemical-pressure-induced Neel temperature shift from 150 (x = 0) to 200 K (x = 0.29) observed in these materials is accompanied by a decrease in the NaCl-type cubic lattice parameters. It is established that at the symmetry transformation in the compositions with x = 0.25 and 0.29 the structural transition occurs, which is followed by the magnetic transition. These features make the FeXMn1−XS solid solutions interesting for both fundamental study of the interrelation between the magnetic, electrical, and structural properties in MnO-type strongly correlated electron systems and application.
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