Magnetic properties of Co2Mn1−xFexSi Heusler alloys

6533b85bfe1ef96bd12ba9a3

RESEARCH PRODUCT

Magnetic properties of Co2Mn1−xFexSi Heusler alloys

M. Kallmayer Gerhard H. Fecher Claudia Felser S. Wurmehl Franziska Emmerling Benjamin Balke H. J. Elmers

subject

Acoustics and Ultrasonics Condensed matter physics Magnetic moment Magnetic circular dichroism Chemistry Magnetometer Electron Dichroism Condensed Matter Physics Surfaces Coatings and Films Electronic Optical and Magnetic Materials law.invention Magnetization Ferromagnetism law Circular magnetic dichroism

description

Co2Mn1−xFexSi Heusler alloys with Fe concentration x = 0–0.4 as prepared by arc melting show a L21 long range order for all Fe concentrations. Magnetic properties of Co2Mn1−xFexSi Heusler alloys were investigated by magnetometry and circular magnetic dichroism. The magnetization of the Fe doped Heusler alloys is in agreement with the Slater–Pauling values expected for half-metallic ferromagnets. Element specific magnetic moments as determined by x-ray absorption using the total electron yield method are in disagreement with theoretical predictions for x = 0 but approach the predicted values as the Fe concentration increases. Surprisingly small Fe concentration increases the magnetic moments of all constituents considerably.

year	journal	country	edition	language
2006-02-17	Journal of Physics D: Applied Physics

https://doi.org/10.1088/0022-3727/39/5/s03

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