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Tuned Magnetic Properties of L1(0)-MnGa/Co(001) Films by Epitaxial Strain
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics. Uppsala University, Sweden; Wigner Research Center for Physics, Hungary.ORCID iD: 0000-0003-2832-3293
2016 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 6, 19508Article in journal (Refereed) PublishedText
Abstract [en]

We demonstrate that the interface structure has a significant influence on the magnetic state of MnGa/Co films consisting of L1(0)-MnGa on face-centered-cubic Co(001) surface. We reveal an antiferromagnetic to ferromagnetic magnetization reversal as a function of the lateral lattice constant. The magnetization reversal mainly originates from localized states and weak hybridization at interface due to charge redistribution between muffin-tin spheres and interstitial region. The magnetic anisotropy energy of Mn/Co interface system is enhanced with increasing in-plane lattice constant, which is ascribed to the interface interactions and the above magnetization reversal.

Place, publisher, year, edition, pages
Nature Publishing Group, 2016. Vol. 6, 19508
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Engineering and Technology
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URN: urn:nbn:se:kth:diva-182851DOI: 10.1038/srep19508ISI: 000368289800001PubMedID: 26781348ScopusID: 2-s2.0-84955279557OAI: oai:DiVA.org:kth-182851DiVA: diva2:906573
Note

QC 20160224

Available from: 2016-02-24 Created: 2016-02-23 Last updated: 2016-02-24Bibliographically approved

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