Stabilization of antiferromagnetism in CeFe2 alloys: Effects of chemical and hydrostatic pressure

Details Stabilization of antiferromagnetism in CeFe2 alloys: Effects of chemical and hydrostatic pressure Stabilization of antiferromagnetism in CeFe2 alloys: Effects of chemical and hydrostatic pressure

2010-05-20

arxiv.org/abs/1005.3669v1

J. Phys.: Condens. Matter 21, 496003 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

14 pages, 7 figures

Scientific paper

10.1088/0953-8984/21/49/496003

Effects of Al, Mn and Sb dopings in CeFe2 and effect of applied pressure have been investigated. Al doping gives rise to the FM-AFM transition and a reduction in the magnetic moment and TC values, clearly indicating the growth of the AFM component. Mn and Sb dopings only cause a reduction in TC value. It is found that in general external pressure enhances the antiferromagnetism in both the pure and the doped alloys. Enhancement of the Ce 4f- Fe 3d hybridization as a result of dopings and with the external pressure may be the reason for the stabilization of antiferromagnetism in these alloys.

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