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- Title
Transport Properties of Magnetic Nanogranular Composites with Dispersed Ions in an Insulating Matrix.
- Authors
Rylkov, V. V.; Emelyanov, A. V.; Nikolaev, S. N.; Nikiruy, K. E.; Sitnikov, A. V.; Fadeev, E. A.; Demin, V. A.; Granovsky, A. B.
- Abstract
This review is devoted to an analysis of the electrical resistance, the magnetoresistance, and the anomalous Hall effect in magnetic "ferromagnetic metal–insulator" nanocomposites at a metal content near the percolation threshold and the memristive properties of the capacitor structures based on these nanocomposites. A high content (up to 1022 cm–3) of dispersed atoms in intergranular gaps leads to a logarithmic temperature dependence of the electrical resistance, a positive contribution to the magnetoresistance, the appearance of tunneling anomalous Hall effect, and a multifilament mechanism of resistive switching (which causes an adaptive character of memristor nanocomposites with dispersed atoms).
- Subjects
MAGNETIC properties; ANOMALOUS Hall effect; NANOCOMPOSITE materials; MAGNETORESISTANCE; IONS
- Publication
Journal of Experimental & Theoretical Physics, 2020, Vol 131, Issue 1, p160
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776120070109