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Phenomenological considerations in percolating magnetic nanostructures

Authors Wong, S.K.
Zhao, B.
Ng, Tai-Kai
Jing, X.N.
Yan, X.
Issue Date 1997
Summary Transport and magnetotransport properties were analysized systematically in percolating magnetic nanostructures such as Ni-rich NiFe - SiO2 and Fe - SiO2 films, where universal features unique to percolating magnetic nanostructures exhibiting giant Hall effect are pointed out. Assuming the presence of nanometer sized particles in the percolating conduction channels whose contribution to the conduction is sensitive to the temperature and external magnetic field, a phenomenological model was developed which explains the essence of these universal features.
Language English
Format Preprint
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