Mn3GaC inverse perovskite thin films by magnetron sputtering from elemental targets | Zendy

Andrejs Petruhins | Zendy; Á.S. Ingason | Zendy; S. Ólafsson | Zendy; Johanna Rosén | Zendy

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Mn₃GaC inverse perovskite thin films by magnetron sputtering from elemental targets

Author(s) -

Andrejs Petruhins,

Á.S. Ingason,

S. Ólafsson,

Johanna Rosén

Publication year - 2020

Publication title -

materials research express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.383

H-Index - 35

ISSN - 2053-1591

DOI - 10.1088/2053-1591/abc193

Subject(s) - magnetometer , thin film , sputter deposition , materials science , curie temperature , analytical chemistry (journal) , perovskite (structure) , anisotropy , inverse , sputtering , cavity magnetron , condensed matter physics , chemistry , crystallography , ferromagnetism , optics , nanotechnology , magnetic field , physics , geometry , mathematics , quantum mechanics , chromatography

We have deposited epitaxial thin films of the inverse perovskite Mn 3 GaC using magnetron sputtering from elemental targets. Two substrates were used, MgO (111) and (100), resulting in corresponding orientation of the Mn 3 GaC thin films. Both samples displayed magnetic properties consistent with an AFM to FM transition at ∼170 K and a Curie temperature around 265 K, evaluated with vibrating sample magnetometry (in-plane measurements). These two ground states are further supported by first principles calculations. Based on that the two orientations of Mn 3 GaC display very similar magnetic properties, it can be concluded that shape anisotropy dominates over the material’s easy axis.

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