Systematic tuning of segmented magnetic nanowires into three-dimensional arrays of ‘bits’
نویسندگان
چکیده
منابع مشابه
Systematic tuning of segmented magnetic nanowires into three-dimensional arrays of ‘bits’
A method is presented for the preparation of a three-dimensional magnetic data storage material system. The major ingredients are an inert nanoporous matrix prepared by anodization and galvanic plating of magnetic and non-magnetic metals in wire shape inside the cylindrical pores. The individual nanomagnets consist of a nickel–cobalt alloy, the composition of which is tuned systematically by ad...
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Magnetic nanorods or nanowires exhibit degrees of freedom associated with their inherent shape anisotropy and the ability to incorporate different components along their length. The introduction of multiple segments along the length of a nanowire can lead to further degrees of freedom associated with the shape of each segment and the coupling between layers. In this paper, we present an overvie...
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We calculate the resistivity and Giant Magnetoresistance (GMR) of a segmented nanowire consisting of two ferromagnetic segments separated by a thin paramagnetic spacer. The quantization of the electron motion due to the small nanowire cross-section is taken into account; s − d electron scattering gives rise to different mean free paths for spin-up and spin-down s-electrons. The calculated resis...
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ژورنال
عنوان ژورنال: RSC Advances
سال: 2017
ISSN: 2046-2069
DOI: 10.1039/c7ra06734h