Spin stress contribution to the lattice dynamics of FePt

Invar-behavior occurring in many magnetic materials has long been of interest to materials science. Here, we show not only invar behavior of a continuous film of FePt but also even negative thermal expansion of FePt nanograins upon equilibrium heating. Yet, both samples exhibit pronounced transient...

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Publicat a:Sci Adv
Autors principals: von Reppert, A., Willig, L., Pudell, J.-E., Zeuschner, S. P., Sellge, G., Ganss, F., Hellwig, O., Arregi, J. A., Uhlíř, V., Crut, A., Bargheer, M.
Format: Artigo
Idioma:Inglês
Publicat: American Association for the Advancement of Science 2020
Matèries:
Research Articles
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC7343378/
https://ncbi.nlm.nih.gov/pubmed/32685678
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1126/sciadv.aba1142
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