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Phase stability and magnetic behavior of FeCrCoNiGe high-entropy alloy
Royal Inst Technol, Dept Mat Sci & Engn, Appl Mat Phys, SE-10044 Stockholm, Sweden..
Wigner Res Ctr Phys, Inst Solid State Phys & Opt, POB 49, H-1525 Budapest, Hungary..
Wigner Res Ctr Phys, Inst Solid State Phys & Opt, POB 49, H-1525 Budapest, Hungary..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Wigner Res Ctr Phys, Inst Solid State Phys & Opt, POB 49, H-1525 Budapest, Hungary..
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2015 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 107, no 25, 251906Article in journal (Refereed) Published
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Abstract [en]

We report an alternative FeCrCoNiGe magnetic material based on FeCrCoNi high-entropy alloy with Curie point far below the room temperature. Investigations are done using first-principles calculations and key experimental measurements. Results show that the equimolar FeCrCoNiGe system is decomposed into a mixture of face-centered cubic and body-centered cubic solid solution phases. The increased stability of the ferromagnetic order in the as-cast FeCrCoNiGe composite, with measured Curie temperature of 640 K, is explained using the exchange interactions.

Place, publisher, year, edition, pages
2015. Vol. 107, no 25, 251906
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Materials Engineering Other Physics Topics
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URN: urn:nbn:se:uu:diva-277805DOI: 10.1063/1.4938398ISI: 000368442100017OAI: oai:DiVA.org:uu-277805DiVA: diva2:905709
Funder
Swedish Research CouncilSwedish Foundation for Strategic Research VINNOVA, 2014-03374
Available from: 2016-02-23 Created: 2016-02-23 Last updated: 2017-11-30Bibliographically approved

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Kadas, KrisztinaVitos, Levente

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