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Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders. / Kolesnichenko, Yu A.; Dalakova, N. V.; Beliayev, E. Yu; Bludov, O. M.; Horielyi, V. A.; Osmolowskaya, O. M.; Osmolowsky, M. G.

In: Low Temperature Physics, Vol. 43, No. 5, 01.05.2017, p. 617-624.

Research output: Contribution to journal › Article › peer-review

Harvard

Kolesnichenko, YA, Dalakova, NV, Beliayev, EY, Bludov, OM, Horielyi, VA, Osmolowskaya, OM & Osmolowsky, MG 2017, 'Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders', Low Temperature Physics, vol. 43, no. 5, pp. 617-624. https://doi.org/10.1063/1.4985216

APA

Kolesnichenko, Y. A., Dalakova, N. V., Beliayev, E. Y., Bludov, O. M., Horielyi, V. A., Osmolowskaya, O. M., & Osmolowsky, M. G. (2017). Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders. Low Temperature Physics, 43(5), 617-624. https://doi.org/10.1063/1.4985216

Vancouver

Kolesnichenko YA, Dalakova NV, Beliayev EY, Bludov OM, Horielyi VA, Osmolowskaya OM et al. Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders. Low Temperature Physics. 2017 May 1;43(5):617-624. https://doi.org/10.1063/1.4985216

Author

Kolesnichenko, Yu A. ; Dalakova, N. V. ; Beliayev, E. Yu ; Bludov, O. M. ; Horielyi, V. A. ; Osmolowskaya, O. M. ; Osmolowsky, M. G. / Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders. In: Low Temperature Physics. 2017 ; Vol. 43, No. 5. pp. 617-624.

BibTeX

@article{e4ca7f1cfbaa4b0ca50a630cf48082cb,
title = "Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders",
abstract = "A study of the resistive and low-temperature magnetoresistive properties of pressed powders of ferromagnetic half-metal chromium dioxide CrO2 with nanoparticle shape anisotropy. The effects of Fe impurities on the tunneling resistance and magnetoresistance of CrO2 powders are investigated. It is found that the Fe impurity leads to a decrease in the resistance and tunneling magnetoresistance of chromium dioxide. It is suggested that the decrease in magnetoresistance of the solid solution Cr1-xFexO2 is associated with the formation of additional localized states at the iron impurities in a tunnel barrier. The influence of the magnetic field input rate on the form of the low-temperature tunneling magnetoresistance hysteresis in Cr1-xFexO2 powder is considered. It is shown that the low-temperature singularities of magnetoresistance hysteresis depend on the relaxation rate of the magnetic moments of the nanoparticles to the equilibrium state. Possible reasons for such a dependence are discussed.",
author = "Kolesnichenko, {Yu A.} and Dalakova, {N. V.} and Beliayev, {E. Yu} and Bludov, {O. M.} and Horielyi, {V. A.} and Osmolowskaya, {O. M.} and Osmolowsky, {M. G.}",
year = "2017",
month = may,
day = "1",
doi = "10.1063/1.4985216",
language = "English",
volume = "43",
pages = "617--624",
journal = "Low Temperature Physics",
issn = "1063-777X",
publisher = "American Institute of Physics",
number = "5",

}

RIS

TY - JOUR

T1 - Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders

AU - Kolesnichenko, Yu A.

AU - Dalakova, N. V.

AU - Beliayev, E. Yu

AU - Bludov, O. M.

AU - Horielyi, V. A.

AU - Osmolowskaya, O. M.

AU - Osmolowsky, M. G.

PY - 2017/5/1

Y1 - 2017/5/1

N2 - A study of the resistive and low-temperature magnetoresistive properties of pressed powders of ferromagnetic half-metal chromium dioxide CrO2 with nanoparticle shape anisotropy. The effects of Fe impurities on the tunneling resistance and magnetoresistance of CrO2 powders are investigated. It is found that the Fe impurity leads to a decrease in the resistance and tunneling magnetoresistance of chromium dioxide. It is suggested that the decrease in magnetoresistance of the solid solution Cr1-xFexO2 is associated with the formation of additional localized states at the iron impurities in a tunnel barrier. The influence of the magnetic field input rate on the form of the low-temperature tunneling magnetoresistance hysteresis in Cr1-xFexO2 powder is considered. It is shown that the low-temperature singularities of magnetoresistance hysteresis depend on the relaxation rate of the magnetic moments of the nanoparticles to the equilibrium state. Possible reasons for such a dependence are discussed.

AB - A study of the resistive and low-temperature magnetoresistive properties of pressed powders of ferromagnetic half-metal chromium dioxide CrO2 with nanoparticle shape anisotropy. The effects of Fe impurities on the tunneling resistance and magnetoresistance of CrO2 powders are investigated. It is found that the Fe impurity leads to a decrease in the resistance and tunneling magnetoresistance of chromium dioxide. It is suggested that the decrease in magnetoresistance of the solid solution Cr1-xFexO2 is associated with the formation of additional localized states at the iron impurities in a tunnel barrier. The influence of the magnetic field input rate on the form of the low-temperature tunneling magnetoresistance hysteresis in Cr1-xFexO2 powder is considered. It is shown that the low-temperature singularities of magnetoresistance hysteresis depend on the relaxation rate of the magnetic moments of the nanoparticles to the equilibrium state. Possible reasons for such a dependence are discussed.

UR - http://www.scopus.com/inward/record.url?scp=85021132329&partnerID=8YFLogxK

U2 - 10.1063/1.4985216

DO - 10.1063/1.4985216

M3 - Article

AN - SCOPUS:85021132329

VL - 43

SP - 617

EP - 624

JO - Low Temperature Physics

JF - Low Temperature Physics

SN - 1063-777X

IS - 5

ER -

ID: 45104913