Interesting magnetic properties of Fe$_{1-x}$Co$_x$Si alloys

Details Interesting magnetic properties of Fe$_{1-x}$Co$_x$Si alloys Interesting magnetic properties of Fe$_{1-x}$Co$_x$Si alloys

2001-12-19

arxiv.org/abs/cond-mat/0112346v1

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages and 3 figures

Scientific paper

10.1103/PhysRevB.65.132409

Solid solution between nonmagnetic narrow gap semiconductor FeSi and diamagnetic semi-metal CoSi gives rise to interesting metallic alloys with long-range helical magnetic ordering, for a wide range of intermediate concentration. We report various interesting magnetic properties of these alloys, including low temperature re-entrant spin-glass like behaviour and a novel inverted magnetic hysteresis loop. Role of Dzyaloshinski-Moriya interaction in the magnetic response of these non-centrosymmetric alloys is discussed.

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