Improvement of structural, electronic, and magnetic properties of Co2MnSi thin films by He+-irradiation

Gaier, Oksana; Hamrle, Jaroslav; Hillebrands, Burkard; Kallmayer, M.; Pörsch, P.; Schönhense, Gerd; Elmers, Hans Joachim; Fassbender, Jürgen; Gloskovskii, A.; Jenkins, C. A.; Felser, Claudia; Ikenaga, E.; Sakuraba, Y.; Tsunegi, S.; Oogane, M.; Ando, Y.

doi:10.1063/1.3119188

Improvement of structural, electronic, and magnetic properties of Co2MnSi thin films by He+-irradiation

Gaier, O.; Hamrle, J.; Hillebrands, B.; Kallmayer, M.; Pörsch, P.; Schönhense, G.; Elmers, H. J.; Fassbender, J.; Gloskovskii, A.; Jenkins, C. A.; Felser, C.; Ikenaga, E.; Sakuraba, Y.; Tsunegi, S.; Oogane, M.; Ando, Y.

The influence of 30 keV He+ ion irradiation on structural, electronic and magnetic properties of Co2MnSi thin films with B2 order was investigated. It was found, that irradiation with light ions can improve the local chemical order. This provokes changes of the electronic structure and elementspecific magnetization towards the bulk properties of the well-ordered Co2MnSi Heusler compound with L21 structure.

Keywords: magnetism; ion irradiation; Heusler alloy; ordering; chemical order

Applied Physics Letters 94(2009), 122508
DOI: 10.1063/1.3119188
Cited 8 times in Scopus

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