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Phase stability and magnetic behavior of FeCrCoNiGe high-entropy alloy
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.
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2015 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 107, no 25Article in journal (Refereed) PublishedText
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
American Institute of Physics (AIP), 2015. Vol. 107, no 25
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-181815DOI: 10.1063/1.4938398ISI: 000368442100017ScopusID: 2-s2.0-84952683248OAI: diva2:901933
Swedish Research CouncilVINNOVA, 2014-03374

QC 20160209. QC 20160216

Available from: 2016-02-09 Created: 2016-02-05 Last updated: 2016-02-16Bibliographically approved

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Huang, ShouVitos, Levente
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