Dresden 2017 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 55: Thin Films: Magnetic Anisotropy

MA 55.5: Vortrag

Donnerstag, 23. März 2017, 16:00–16:15, HSZ 101

Mn-Fe-Ga Films with Perpendicular Magnetic Anisotropy — •Anastasios Markou1, Adel Kalache1, Susanne Selle2, Gerhard H. Fecher1, and Claudia Felser11Max Planck Institute for Chemical Physics of Solids, Dresden, Germany — 2Fraunhofer Institute for Microstructure of Materials and Systems IMWS, 06120 Halle, Germany

Heusler compounds are a remarkable class of materials with a huge potential for different applications [1]. Tetragonally distorted Mn-based Heusler compounds (Mn3Ga and Mn3Ge) are promising class of materials, showing high magnetocrystalline anisotropy, large coercivity and high Curie temperature, but suffer from low magnetization [2]. The substitution of Mn with Fe in D022-Mn3Ga can lead to magnetization increment and making Mn-Fe-Ga compound a candidate material for rare-earth-free permanent magnets. Here, we present a systematic X-ray diffraction (XRD), transmission electron microscopy (TEM) and magnetic characterization of Mn-Fe-Ga films with different compositions and perpendicular anisotropy.
[1] C. Felser, L. Wollmann, S. Chadov, Gerhard H. Fecher and S.S.P Parkin, APL Mater. 3, 041518 (2015).
[2] A. Kalache, G. Kreiner, S. Quardi, S. Selle, C. Patzig, T. Hoche and C. Felser, APL Mater. 4, 086113 (2016)

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