Search Results - "Dalakova, N. V."

COERCIVE FORCE IN THE SYSTEM OF FERROMAGNETIC GRANULES FOR HALF METAL CrO2 WITH PERCOLATION CONDUCTIVITY by Dalakova, N. V., Beliayev, E. Yu, Horielyi, V. A.

“…Magnetic and magnetoresistive properties of several samples of compacted powders of ferromagnetic half-metal CrO2, consisting of needle-shaped or spherical…”
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Low-temperature spin relaxation in compacted powders of CrO2 solid solutions with iron impurities by Dalakova, N. V., Beliayev, E. Yu, Kolesnichenko, Yu. A., Horielyi, V. A., Osmolowskaya, O. M., Osmolowsky, M. G.

“…The effect iron impurities have on the low-temperature behavior of the magnetoresistance of compacted powders of CrO 2 ferromagnetic half-metal with…”
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Tunnel magnetoresistance of compacted CrO2 powders with particle shape anisotropy by Dalakova, N. V., Beliayev, E. Yu, Osmolovskaya, O. M., Osmolovsky, M. G., Gorelyy, V. A.

“…The effect the shape anisotropy of particles of compacted CrO 2 powders have on tunnel magnetoresistance is investigated in the temperature range of 4.2–20 K…”
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Anomalies of conductivity behavior near the paramagnetic-antiferromagnetic transition in single-crystals La2CuO4+δ by BELEVTSEV, B. I, DALAKOVA, N. V, PANFILOV, A. S, BELIAYEV, E. Yu

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Effect of γ-Irradiation on Superconductivity in Polycrystalline YBa2Cu3O7-δ by Belevtsev, B.I., Volchok, I.V., Dalakova, N.V., Dotsenko, V.I., Ivanchenko, L.G., Kuznichenko, A.V., Logvinov, I.I.

“…A bulk polycrystalline sample of YBa2Cu3O7–δ (δ ≈︂ 0.1) has been irradiated by γ‐rays with 60Co source. Non‐monotonic behavior of Tc (defined as the…”
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Polytherms of angles of wetting by tin-strontium melts for aluminum films on silicon before and after photon annealing by Dalakova, N. V., Elekoeva, K. M., Kashezhev, A. Z., Manukyants, A. R., Ponegev, M. Kh, Prokhorenko, A. D., Sozaev, V. A.

“…Polytherms of the angles of wetting by Sn-Sr melts for aluminum films on silicon are investigated by the sessile drop method in helium. Such melts are…”
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Temperature dependence of angles of wetting of silicon with tin-barium melts by Dalakova, N. V., Elekoeva, K. M., Kashezhev, A. Z., Ponegev, M. Kh, Sozaev, V. A.

“…Experimental data on polytherms of the angle of wetting of silicon surface with tin-barium melts are presented. It is found that the polytherms are linear in…”
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Percolation effects in the conductivity and magnetoresistance of compacted chromium dioxide powder by Belevtsev, B. I., Dalakova, N. V., Osmolowsky, M. G., Beliayev, E. Yu, Selutin, A. A., Kolesnichenko, Yu. A.

“…The resistive and magnetoresistive properties of a submicron (120 nm) compacted CrO 2 powder with a Curie temperature of ∼385 K were investigated in the…”
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Effect of γ-irradiation on superconducting transition temperature and resistive transition in polycrystalline YBa2Cu3O(7−δ) by Belevtsev, B.I., Volchok, I.V., Dalakova, N.V., Dotsenko, V.I., Ivanchenko, L.G., Kuznichenko, A.V., Logvinov, I.I.

“…A bulk polycrystalline sample of YBa2Cu3O(7-d) (d approx equal to 0.1) has been irradiated by gamma-rays with 60Co source. Non-monotonic behavior of Tc with…”
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The surface tension and density of molten tin with low additions of barium by Dalakova, N. V., Direktor, L. B., Kashezhev, A. Z., Maikov, I. L., Mozgovoi, A. G., Ponezhev, M. Kh, Sozaev, V. A.

“…Data on polytherms of the density and surface tension of tin—barium melts are published for the first time. The data were obtained by means of an automated…”
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Magnetoresistive properties of cold-pressed CrO2 powder, prepared by hydrothermal synthesis by Belevtsev, B. I., Dalakova, N. V., Osmolovsky, M. G., Belyaev, E. Yu, Selyutin, A. A.

“…The resistive, magnetoresistive and magnetic properties of cold-pressed CrO 2 , powder prepared by hydrothermal synthesis from chromic anhydride have been…”
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ABOUT MECHANISM OF NEGATIVE MAGNETORESISTANCE FOR La(2)CuO(4+δ) SINGLE CRYSTAL IN THE REGIME OF MOTT INSULATOR by N. V. Dalakova

“…We measured resistive and magnetoresistive properties of antiferromagnetic cuprate La2CuO4+δ with the Neel temperature TΝ = 265.5 K, synthesized by the method…”
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Intercrystallite internal adsorption in In-Na solid solutions by Dalakova, N. V., Enaldieva, O. L., Orkvasov, T. A., Ponezhev, M. Kh, Sozaev, V. A.

“…The influence of isochronous (3-h) annealings on the electrical resistivity measured at the liquid-nitrogen temperature (ρ^sub 77^) and the average grain size…”
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Anomaly in the Temperature Dependence of the Coercive Force of an Ensemble of Ferromagnetic CrO2 Nanoparticles under Conditions of Percolation Conductivity by Dalakova, N. V., Beliayev, E. Yu, Horielyi, V. A., Osmolowskaya, O. M., Osmolowsky, M. G.

“…The temperature dependence of coercive force H c ( T ) of pressed powders of ferromagnetic half metal CrO 2 is compared to the temperature dependence of the…”
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Effect of Composition Disorder in a System of Superconducting Granules on the Superconducting Properties of La2–x Sr x CuO4 Ceramic Samples by Dalakova, N V, E Yu Beliayev, Savina, Yu A, Yuzephovich, O I, Bengus, S V, Bobrysheva, N P

“…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…”
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Effect of Composition Disorder in a System of Superconducting Granules on the Superconducting Properties of La2–xSrxCuO4 Ceramic Samples by Dalakova, N. V., Beliayev, E. Yu, Savina, Yu. A., Yuzephovich, O. I., Bengus, S. V., Bobrysheva, N. P.

“…The effect of the degree of doping with strontium has on the superconducting properties of granular superconductor La 2– x Sr x CuO 4 is considered. It is…”
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Magnetic anisotropy and anisotropic tunneling magnetoresistance of compacted half-metal CrO2 nanopowders by Dalakova, N. V., Bludov, A. N., Beliayev, E. Yu, Horielyi, V. A., Osmolowskaya, O. M., Osmolowsky, M. G.

“…Low-temperature magnetic and magnetoresistive properties of compacted ferromagnetic halfmetal CrO 2 powders with nanoparticle shape anisotropy are studied…”
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Transport and magnetotransport properties of cold-pressed CrO2 powder, prepared by hydrothermal synthesis by Belevtsev, B.I., Dalakova, N.V., Osmolowsky, M.G., Beliayev, E.Yu, Selutin, A.A.

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Resistive and magnetoresistive properties of CrO2 pressed powders with different types of inter-granular dielectric layers by Dalakova, N. V, Belevtsev, B. I, Beliayev, E. Yu, Bludov, O. M, Pashchenko, V. A, Osmolovsky, M. G, Osmolovskaya, O. M

“…Resistive, magnetoresistive and magnetic properties of four kinds of pressed CrO2 powders, synthesized by hydrothermal method of chromic anhydride have been…”
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Anomalies of conductivity behavior near the paramagnetic-antiferromagnetic transition in single-crystals La_{2}CuO_{4+\delta} by Belevtsev, B. I, Dalakova, N. V, Panfilov, A. S, Beliayev, E. Yu

“…Physica B 405 (2010) 1307-1311 The temperature dependences of resistance, R(T), of two single-crystals La_{2}CuO_{4+\delta} samples have been studied with the…”
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