Magnetic anisotropy and anisotropic tunneling magnetoresistance of compacted half-metal CrO 2  nanopowders

N. V. Dalakova; A. N. Bludov; E. Yu. Beliayev; V. A. Horielyi; O. M. Osmolowskaya; M. G. Osmolowsky

doi:10.3103/S1062873817030108

Magnetic anisotropy and anisotropic tunneling magnetoresistance of compacted half-metal CrO₂ nanopowders

Authors: Dalakova N.V.¹, Bludov A.N.¹, Beliayev E.Y.¹, Horielyi V.A.¹, Osmolowskaya O.M.², Osmolowsky M.G.²
Affiliations:
1. Verkin Institute for Low Temperature Physics and Engineering
2. Faculty of Chemistry
Issue: Vol 81, No 3 (2017)
Pages: 278-281
Section: Proceedings of the “OMA-19”, “ODPO-19”
URL: https://journals.rcsi.science/1062-8738/article/view/184989
DOI: https://doi.org/10.3103/S1062873817030108
ID: 184989

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Abstract

Low-temperature magnetic and magnetoresistive properties of compacted ferromagnetic halfmetal CrO₂ powders with nanoparticle shape anisotropy are studied. Magnetic anisotropy induced by the formation of magnetic texture during compaction is revealed. It is shown that tunneling magnetoresistance anisotropy is associated with the difference between a sample’s rates of magnetization in the longitudinal and transverse fields.