Anisotropic tunnel magnetoresistance of pressed nanopowders of chromium dioxide

N. V. Dalakova, E. Yu Belyaev, O. M. Bludov, V. A. Gorelyi, O. M. Osmolovskaya, M. G. Osmolovskiy

Research output

1 Citation (Scopus)

Abstract

Resistive, magnetoresistive and magnetic properties of chromium dioxide nanopowders CrO 2 are investigated. The powders consisted of either spherical or needle-shaped nanoparticles. The nanoparticles were covered with dielectric shells of different composition and thickness. Anisotropy of the tunnel magnetoresistance was observed for all the powders. It is shown that the anisotropy of the tunnel magnetoresistance of CrO 2 powders is explained by the formation of an induced magnetic texture and is determined by the difference in the magnetization rate of the sample along and perpendicular to the plane of compaction of the powders.

Original languageEnglish
Pages (from-to)1510-1520
Number of pages11
JournalFizika Nizkikh Temperatur
Volume44
Issue number11
Publication statusPublished - 1 Nov 2018

Scopus subject areas

  • Physics and Astronomy(all)

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