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Transport anisotropy in hetero-amorphous (CoFeB)-SiO2 thin films
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2003 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 93, no 10, 8101-8103 p.Article in journal (Refereed) Published
Abstract [en]

We here present resisitivity and magnetoresistance measurements of two granular (CoFeB)-SiO2 amorphous thin films, with a different amount of metallic content. The films were deposited onto substrates sitting on a rotating cylinder. This induces anisotropy in the film plane, which is higher for the sample with less metallic content. This film exhibits typical isotropic giant magnetoresistance (GMR), while the film with higher-metallic content has less anisotropic resistivity, and shows a mixture of GMR and anisotropic magnetoresistance (AMR). The AMR appears at fields below 500 Oe. We believe that this has not been observed before in amorphous samples.

Place, publisher, year, edition, pages
2003. Vol. 93, no 10, 8101-8103 p.
Keyword [en]
giant magnetoresistance, alloys
URN: urn:nbn:se:kth:diva-22495DOI: 10.1063/1.1558238ISI: 000182822600154OAI: diva2:341193
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Grishin, Alexander M.
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Microelectronics and Information Technology, IMIT
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