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Magnetic behaviour of AuFe and NiMo alloys
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.
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2011 (English)In: Pramana (Bangalore), ISSN 0304-4289, E-ISSN 0973-7111, Vol. 76, no 4, 639-656 p.Article in journal (Refereed) Published
Abstract [en]

We study the electronic structure and a mean-field phase analysis based on the pair-pair energies derived from first-principles electronic structure calculations of AuFe and NiMo alloys. We have used the tight-binding linear muffin-tin orbitals-based augmented space recursion (TB-LMTO-ASR) method to do so. We investigate different behaviours of the two alloy systems by mapping the problems onto equivalent Ising models and then discuss the magnetic phase diagrams using the calculated pair energies. All three phases: paramagnetic, random ferromagnetic and spin glass, have been studied.

Place, publisher, year, edition, pages
2011. Vol. 76, no 4, 639-656 p.
Keyword [en]
INTERNAL FIELD DISTRIBUTION; SINGLE-CRYSTAL ALLOYS; SHORT-RANGE ORDER; SPIN-GLASS; ELECTRONIC-STRUCTURE; BINARY-ALLOYS; SOLVABLE MODEL; ISING-MODEL; MEAN-FIELD; DISORDER
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Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-35112ISI: 000291256000011Scopus ID: 2-s2.0-79955112980OAI: oai:DiVA.org:kth-35112DiVA: diva2:428600
Note
QC 20110630Available from: 2011-06-30 Created: 2011-06-20 Last updated: 2017-12-11Bibliographically approved

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