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Uniaxial anisotropy and its manipulation in amorphous Co68Fe24Zr8 thin films (invited)
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2014 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 115, no 17, 172605- p.Article in journal (Refereed) Published
Abstract [en]

We have proven that the growth of Co68Fe24Zr8 layers under external field yields a uniaxial anisotropy, defined by the direction of the field. No magnetic coupling is present between Co68Fe24Zr8 layers when separated by a 3 nm of Al70Zr30. The anisotropy axis can therefore be manipulated at will and the direction can be tailored, layer by layer in multilayers, by the choice of the direction of the applied field during growth. The g-factor (2.13) and the anisotropy constant, obtained from ferromagnetic resonance, support the existence of short-range order. The relation between the temperature dependences of magnetic anisotropy and magnetization are partially captured by Callen-Callen power law. (C) 2014 AIP Publishing LLC.

Place, publisher, year, edition, pages
2014. Vol. 115, no 17, 172605- p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-227178DOI: 10.1063/1.4870591ISI: 000335643700574OAI: oai:DiVA.org:uu-227178DiVA: diva2:730076
Available from: 2014-06-27 Created: 2014-06-24 Last updated: 2017-12-05Bibliographically approved

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Hjörvarsson, Björgvin

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