Investigation of Co2FeSi: The Heusler compound with highest Curie temperature 
and magnetic moment

Wurmehl, Sabine; Fecher, Gerhard H.; Kandpal, Hem Chandra; Ksenofontov, Vadim; Felser, Claudia; Lin, Hong-Ji

doi:10.1063/1.2166205

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Investigation of Co₂FeSi: The Heusler compound with highest Curie temperature and magnetic moment

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Citation

Wurmehl, S., Fecher, G. H., Kandpal, H. C., Ksenofontov, V., Felser, C., & Lin, H.-J. (2006). Investigation of Co₂FeSi: The Heusler compound with highest Curie temperature and magnetic moment. Applied Physics Letters, 88(3): 032503, pp. 1-4. doi:10.1063/1.2166205.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-6617-C

Abstract

This work reports on structural and magnetic investigations of the Heusler compound Co2FeSi. X-ray diffraction and Mo beta bauer spectrometry indicate an ordered L2(1) structure. Magnetic measurements by means of x-ray magnetic circular dichroism and magnetometry revealed that this compound is, currently, the material with the highest magnetic moment (6 mu(B)) and Curie temperature (1100 K) in the classes of Heusler compounds as well as half-metallic ferromagnets. (c) 2006 American Institute of Physics.