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Conditions for Noncollinear Instabilities of Ferromagnetic Materials
Uppsala University.ORCID iD: 0000-0003-4341-5663
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2004 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 93, no 10, 107205- p.Article in journal (Refereed) Published
Abstract [en]

Two criteria have been identified here which determine whether a magnetic metal orders in a collinear (e.g., ferromagnet) or noncollinear (e.g., spin-spiral) arrangement. These criteria involve the ratio between the strength of the exchange interaction and the width of the electron bands, as well as Fermi-surface nesting between spin-up and spin-down sheets of the Fermi surface. Based on our analysis we predict that even typical ferromagnetic materials (e.g., Fe, Co, and Ni) should be possible to stabilize in a noncollinear magnetic order in, e.g., high pressure experiments.

Place, publisher, year, edition, pages
American Physical Society (APS) , 2004. Vol. 93, no 10, 107205- p.
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-62571DOI: 10.1103/PhysRevLett.93.107205ISI: 000223717600059OAI: diva2:480586
QC 20120221Available from: 2012-01-19 Created: 2012-01-19 Last updated: 2012-02-21Bibliographically approved

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Bergqvist, LarsMohn, Peter
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