Magnetic anisotropy of epitaxial Co2Fe-Ge Heusler alloy films on MgO (100) substrates

A. N. Pogorily; A. F. Kravets; V. V. Nevdacha; D. Y. Podyalovskiy; S. M. Ryabchenko; V. M. Kalita; M. M. Kulik; A. F. Lozenko; A. Ya. Vovk; M. Godinho; L. Maurel; J. A. Pardo; C. Magen; V. Korenivski

doi:10.1063/1.4978209

journal article·2017-05-01Open access

Magnetic anisotropy of epitaxial Co2Fe-Ge Heusler alloy films on MgO (100) substrates

A. N. Pogorily, A. F. Kravets, V. V. Nevdacha, D. Y. Podyalovskiy, S. M. Ryabchenko, V. M. Kalita, M. M. Kulik, A. F. Lozenko, A. Ya. Vovk, M. Godinho, L. Maurel, J. A. Pardo, C. Magen, V. Korenivski

AIP Advances· Volume 7· Issue 5

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Source abstract

Abstract

Films of Co2Fe-Ge Heusler alloy with variable Ge concentration deposited on monocrystalline MgO (100) substrates by magnetron co-sputtering are investigated using microstructural, morphological, magnetometric, and magnetic resonance methods. The films were found to grow epitaxially, with island-like or continuous-layer morphology depending the Ge-content. The ferromagnetic resonance data versus out-of-plane and in-plane angle indicate the presence of easy plane and 4-fold in-plane anisotropy. The magnetometry data indicate additional weak 2-fold in-plane anisotropy and pronounced at low fields rotatable anisotropy. The observed magnetic anisotropy properties discussed in correlation with the microstructure and morphology of the films.

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Research context

Metals & alloys

OpenAlex topics: Heusler alloys: electronic and magnetic properties · MXene and MAX Phase Materials · Magnetic and transport properties of perovskites and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National Academy of Sciences of Ukraine 1 Institute of Magnetism, , 03680 Kyiv, Ukraine

Royal Institute of Technology 2 Nanostructure Physics, , 10691 Stockholm, Sweden

National Academy of Sciences of Ukraine 3 Institute of Physics, , 03680 Kyiv, Ukraine

Universidade de Lisboa 4 BioISI Biosystems and Integrative Sciences Institute, Faculdade de Cincias, , Campo Grande, 1749-016 Lisboa, Portugal

Universidad de Zaragoza 5 Instituto de Nanociencia de Aragn, , 50018 Zaragoza, Spain

Funding

National Academy of Sciences of Ukraine · Svenska Forskningsrådet Formas

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