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Giant negative magnetoresistance in a composite system based on Fe3O4 nanocrystals in a polymer matrix
Journal article   Peer reviewed

Giant negative magnetoresistance in a composite system based on Fe3O4 nanocrystals in a polymer matrix

A E Varfolomeev, D Y Godovskii, G A Kapustin, A V Volkov and M A Moskvina
JETP letters, Vol.67(1), pp.39-42
1998
DOI: https://doi.org/10.1134/1.567624

Abstract

Physical Sciences Physics Physics, Multidisciplinary Science & Technology
Conducting polymer composites based on Fe3O4 nanocrystals in a polyvinyl alcohol matrix are synthesized. The current-voltage characteristics, the magnetization, and the magnetoresistance of the nanocomposites are investigated, and a giant negative magnetoresistance is observed. The decrease in the resistance at room temperature is found to reach 10% in a 10 kOe held. (C) 1998 American Institute of Physics. [S0021-3640(98)00701-4].

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