Phys. Rev. B 65, 132409 (2002) [4 pages]Magnetic properties of Fe1-xCoxSi alloysReceived 14 December 2001; published 19 March 2002 The solid solution between nonmagnetic narrow-gap semiconductor FeSi and diamagnetic semimetal CoSi gives rise to interesting metallic alloys with long-range helical magnetic ordering, for a wide range of intermediate concentrations. We report various magnetic properties of these alloys, including low-temperature reentrant spin-glass like behavior and an inverted magnetic hysteresis loop. The role of Dzyaloshinski-Moriya interaction in the magnetic response of these non-centro-symmetric alloys is discussed. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.65.132409
DOI:
10.1103/PhysRevB.65.132409
PACS:
75.50.Bb, 75.50.Lk
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