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Magnetic properties of amorphous Fe93Zr7 films: Effect of light ion implantation
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.
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2015 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 117, no 14, 143903Article in journal (Refereed) Published
Abstract [en]

The Curie temperature (T-c) of amorphous FeZr alloys can be greatly enhanced by doping with light elements. In this investigation, ion implantation is used to dope Fe93Zr7 thin films with H, He, B, C, and N. Extended X-ray absorption fine structure measurements confirm that the amorphous structure is preserved upon implantation for all samples, except for the N-implanted sample which is partially crystallized. The Curie temperature increases from 124 K for the pristine FeZr sample to about 400 K for the (FeZr)B-0.11 sample. The increase of T-c is proportional to the increase in the average Fe-Fe distance, which allows us to conclude that the dominant cause of the T-c enhancement of amorphous Fe93Zr7 upon doping is a volume effect.

Place, publisher, year, edition, pages
2015. Vol. 117, no 14, 143903
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-252143DOI: 10.1063/1.4917212ISI: 000352967400008OAI: oai:DiVA.org:uu-252143DiVA: diva2:809395
Funder
Swedish Research Council
Available from: 2015-05-03 Created: 2015-05-03 Last updated: 2017-12-04Bibliographically approved

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Zamani, AtiehMoubah, RedaAhlberg, MartinaStopfel, HenryArnalds, UnnarHjörvarsson, BjörgvinAndersson, GabriellaJönsson, Petra

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Zamani, AtiehMoubah, RedaAhlberg, MartinaStopfel, HenryArnalds, UnnarHjörvarsson, BjörgvinAndersson, GabriellaJönsson, Petra
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Materials Physics
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