Zobrazeno 1 - 10
of 33
pro vyhledávání: '"N. V. Dalakova"'
Publikováno v:
East European Journal of Physics, Vol 4, Iss 3, Pp 78-84 (2017)
Magnetic and magnetoresistive properties of several samples of compacted powders of ferromagnetic half-metal CrO2, consisting of needle-shaped or spherical nanoparticles coated with thin dielectric shells, were investigated in wide temperature range.
Externí odkaz:
https://doaj.org/article/5582dca12df2485593cb6fb618ace96e
Autor:
N. V. Dalakova
Publikováno v:
East European Journal of Physics, Vol 2, Iss 3, Pp 74-79 (2015)
We measured resistive and magnetoresistive properties of antiferromagnetic cuprate La2CuO4+δ with the Neel temperature TΝ = 265.5 K, synthesized by the method of solid phase reaction. It is shown that for this compound in the temperature range T =
Externí odkaz:
https://doaj.org/article/83f7901696db4108ab488936466c6de4
Autor:
M. G. Osmolovskiy, O. M. Osmolovskaya, N. V. Dalakova, V. A. Gorelyi, O. M. Bludov, E. Yu. Belyaev
Publikováno v:
Low Temperature Physics. 44:1180-1188
Resistive, magnetoresistive, and magnetic properties of chromium dioxide CrO2 nanopowders were studied. The powders consisted of either spherical or needle-shaped nanoparticles that were covered with dielectric shells of varying composition and thick
Autor:
N. P. Bobrysheva, Yu. A. Savina, N. V. Dalakova, E. Yu. Beliayev, O. I. Yuzephovich, S. V. Bengus
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 82:811-814
The effect of the degree of doping with strontium has on the superconducting properties of granular superconductor La2–xSrxCuO4 is considered. It is found that reducing the concentration of strontium under conditions of compositional disorder broad
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 83:778-780
The temperature dependence of coercive force Hc(T) of pressed powders of ferromagnetic half metal CrO2 is compared to the temperature dependence of the maximum field of positive tunneling magnetoresistance Hp(T). It is established that the multidomai
Publikováno v:
East European Journal of Physics, Vol 4, Iss 3, Pp 78-84 (2017)
Magnetic and magnetoresistive properties of several samples of compacted powders of ferromagnetic half-metal CrO2, consisting of needle-shaped or spherical nanoparticles coated with thin dielectric shells, were investigated in wide temperature range.
Features of low-temperature tunneling magnetoresistance of pressed chromium dioxide CrO2 nanopowders
Autor:
E. Yu. Beliayev, O. M. Bludov, Yu. A. Kolesnichenko, M. G. Osmolowsky, V. A. Horielyi, O. M. Osmolowskaya, N. V. Dalakova
Publikováno v:
Low Temperature Physics. 43:617-624
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 magnetoresi
Autor:
N. V. Dalakova, M. G. Osmolowsky, V. A. Horielyi, E. Yu. Beliayev, A. N. Bludov, O. M. Osmolowskaya
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 81:278-281
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.
Autor:
O. M. Osmolowskaya, E. Yu. Beliayev, V. A. Horielyi, Yu. A. Kolesnichenko, M. G. Osmolowsky, N. V. Dalakova
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 80:664-667
The effect iron impurities have on the low-temperature behavior of the magnetoresistance of compacted powders of CrO2 ferromagnetic half-metal with anisotropic particle shape is investigated. The strong dependence of magnetoresistance on the spin rel
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 79:789-793
The effect the shape anisotropy of particles of compacted CrO2 powders have on tunnel magnetoresistance is investigated in the temperature range of 4.2–20 K. Measurements are made at different orientations of the magnetic field relative to the samp