Тип публикации: статья из журнала
Год издания: 2000
Идентификатор DOI: 10.1134/1.1312014
Аннотация: The structural, electrical, and magnetic properties, as well as the magnetoresistance of polycrystalline MexMn1-xS (Me = Fe and Cr) sulfides were investigated in longitudinal magnetic fields of up to 50 kOe over the temperature range 4.2-300 K. The ferromagnetic compound FexMn1-xS (x = 0.29) exhibits the giant magnetoresistance (GMR) effect with magnitude delta(H) = -450% in a field of 30 kOe at 50 K. Antiferromagnetic CrxMn1-xS (x = 0.5) sulfide undergoes a transition to the GMR state (delta(H) similar to -25% in a field of 30 kOe at 4.2 K) in the region of antiferromagnet-ferromagnet transition (T-c similar to 66 K). A mechanism of the GMR in these compounds is discussed. (C) 2000 MAIK "Nauka/Interperiodica".
Издание
Журнал: JETP LETTERS
Выпуск журнала: Vol. 72, Is. 2
Номера страниц: 70-72
ISSN журнала: 00213640
Место издания: MELVILLE
Издатель: AMER INST PHYSICS
Персоны
- Petrakovskii G.A. (Kirenskii Inst. of Physics,Siberian Division,Russian Academy of Sciences)
- Ryabinkina L.I. (Kirenskii Inst. of Physics,Siberian Division,Russian Academy of Sciences)
- Abramova G.M. (Krasnoyarsk State University)
- Balaev A.D. (Kirenskii Inst. of Physics,Siberian Division,Russian Academy of Sciences)
- Balaev D.A. (Kirenskii Inst. of Physics,Siberian Division,Russian Academy of Sciences)
- Bovina A.F. (Kirenskii Inst. of Physics,Siberian Division,Russian Academy of Sciences)
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