Preparation and Magnetotransport Properties of Alpha-Fe Nanoparticles Dispersed in AlN Granular Films

The structure and magnetotransport properties of alpha-Fe (hereafter denote as α-Fe) nanoparticles in reactively cosputter-deposited Al 1- x Fe x N films (0.18≤ x ≤0.91) were studied after their annealing. α-Fe-dispersed crystalline AlN films were obtained by annealing in the temperature range betwe...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2004-08, Vol.43 (8R), p.5671
Main Authors: Kawaai, Yumi, Yamada, Atsushi, Takeda, Takashi, Kikkawa, Shinichi
Format: Article
Language:English
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Summary:The structure and magnetotransport properties of alpha-Fe (hereafter denote as α-Fe) nanoparticles in reactively cosputter-deposited Al 1- x Fe x N films (0.18≤ x ≤0.91) were studied after their annealing. α-Fe-dispersed crystalline AlN films were obtained by annealing in the temperature range between 300°C and 500°C in hydrogen. A magnetoresistance of 0.82% at room temperature was observed on the granular film annealed at 400°C. This value increased to 2.16% at 77 K.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.43.5671