Search Results - "Orlov, Yu.S."

Exchange interaction between the high spin Co 3 + states in LaCoO 3 by Orlov, Yu.S., Nikolaev, S.V., Gavrichkov, V.A., Ovchinnikov, S.G.

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Improving of thermoelectric figure of merit in Sr0.925Dy0.075TiO3 ceramics by Dudnikov, V.A., Orlov, Yu.S., Vereshchagin, S.N., Belov, A.A., Solovyov, L.A., Borus, A.A., Zharkov, S.M., Zeer, G.M., Ustyuzhanin, Yu.N., Volochaev, M.N., Bondarev, V.S., Ovchinnikov, S.G.

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Exchange interaction between the high spin Co3+ states in LaCoO3 by Orlov, Yu.S., Nikolaev, S.V., Gavrichkov, V.A., Ovchinnikov, S.G.

“…The formation of the exchange interaction between HS Co3+ ions, which are excited in LaCoO3, is studied within the multielectron approach. Two main…”
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Effect of mechanical activation on the thermoelectric properties of Sr1-Sm TiO3 ceramics by Orlov, Yu.S., Vereshchagin, S.N., Novikov, S.V., Burkov, A.T., Borus, A.A., Sitnikov, M.V., Solovyov, L.A., Volochaev, M.N., Dudnikov, V.A.

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Order–disorder transition in the Dy0.2Sr0.8CoO3-δ rare-earth cobalt oxide solid solutions: Structural and thermoelectric properties by Orlov, Yu.S., Dudnikov, V.A., Vereshchagin, S.N., Volochaev, M.N., Gavrilkin, S.Yu, Tsvetkov, A.Yu

“…By the example of the Dy0.2Sr0.8CoO3-δ compound undergoing an order–disorder phase transition with increasing temperature, we demonstrate a significant…”
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Concentration dependence of the spin gap in solid solutions La 1−x Gd x CoO 3−δ by Ovchinnikov, S.G., Orlov, Yu.S., Dudnikov, V.A., Vereschagin, S.N., Perov, N.S.

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Thermoelectric properties of the SmCoO3 and NdCoO3 cobalt oxides by Dudnikov, V.A., Fedorov, A.S., Orlov, Yu.S., Solovyov, L.A., Vereshchagin, S.N., Gavrilkin, S. Yu, Tsvetkov, A. Yu, Gorev, M.V., Novikov, S.V., Ovchinnikov, S.G.

“…The thermoelectric properties of the NdCoO3 and SmCoO3 rare-earth cobalt oxides with a perovskite structure have been investigated in a wide temperature range…”
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Magnetic transitions and excitonic order enhancement in spin crossover strongly correlated electron systems by Orlov, Yu.S., Nikolaev, S.V., Tegai, S.Ph, Paklin, N.N., Ovchinnikov, S.G.

“…The effects of exciton Bose condensation in strongly correlated spin crossover systems are considered within the effective Hamiltonian obtained from the…”
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Effect of mechanical activation on the thermoelectric properties of Sr1-xSmxTiO3 ceramics by Orlov, Yu.S., Vereshchagin, S.N., Novikov, S.V., Burkov, A.T., Borus, A.A., Sitnikov, M.V., Solovyov, L.A., Volochaev, M.N., Dudnikov, V.A.

“…The Sr1-xSmxTiO3 (х = 0.025, 0.05, 0.075, 0.1, 0.2) strontium titanate solid solutions were prepared from oxides and carbonates using a conventional ceramic…”
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Effect of A -site cation ordering on the thermoelectric properties of the complex cobalt oxides Gd 1-x Sr x CoO 3-δ ( x  = 0.8 and 0.9) by Dudnikov, V.A., Orlov, Yu.S., Kazak, N.V., Fedorov, A.S., Solov'yov, L.A., Vereshchagin, S.N., Burkov, A.T., Novikov, S.V., Gavrilkin, S.Yu, Ovchinnikov, S.G.

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Effect of A-site cation ordering on the thermoelectric properties of the complex cobalt oxides Gd1-xSrxCoO3-δ (x = 0.8 and 0.9) by Dudnikov, V.A., Orlov, Yu.S., Kazak, N.V., Fedorov, A.S., Solov'yov, L.A., Vereshchagin, S.N., Burkov, A.T., Novikov, S.V., Gavrilkin, S.Yu, Ovchinnikov, S.G.

“…The effect of substitution of Sr2+ ions for Gd3+ ions on the phase composition, electrical resistivity, thermoelectricity, and thermal conductivity of…”
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Structural, magnetic, electronic, and dilatation properties of the ordered solid solutions Ln0.2Sr0.8CoO3-δ (Ln = Sm, Gd, Dy) with the same oxygen nonstoichiometry index δ by Dudnikov, V.A., Orlov, Yu.S., Bushinsky, M.V., Solovyov, L.A., Vereshchagin, S.N., Gavrilkin, S.Yu, Tsvetkov, A.Yu, Gorev, M.V., Novikov, S.V., Mantytskaya, O.S., Ovchinnikov, S.G.

“…Single-phase samples of the layered perovskite-like cobalt oxides Ln0.2Sr0.8CoO3-δ (Ln = Sm, Gd, Dy) with the same oxygen nonstoichiometry index…”
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Concentration dependence of the spin gap in solid solutions La1−xGdxCoO3−δ by Ovchinnikov, S.G., Orlov, Yu.S., Dudnikov, V.A., Vereschagin, S.N., Perov, N.S.

“…The temperature dependence of the static magnetization of polycrystalline rare-earth cobaltites La1−xGdxCoO3−δ (x=0.2, 0.5, 1) was measured in a wide…”
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Thermoelectric properties and stability of the Re0.2Sr0.8CoO3-δ Re = Gd, Dy) complex cobalt oxides in the temperature range of 300‒800 K by Dudnikov, V.A., Orlov, Yu.S., Kazak, N.V., Fedorov, A.S., Solov’yov, L.A., Vereshchagin, S.N., Burkov, A.T., Novikov, S.V., Ovchinnikov, S.G.

“…Temperature dependences of the electrical resistivity and Seebeck coefficient of the Re0.2Sr0.8CoO3‒δ Re = Gd, Dy) complex cobalt oxides in the temperature…”
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Temperature and field dependent electronic structure and magnetic properties of LaCoO3 and GdCoO3 by Ovchinnikov, S.G., Orlov, Yu.S., Dudnikov, V.A.

“…The transformation of the band structure of LaCoO3 in the applied magnetic field has been theoretically studied. If the field is below its critical value…”
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Low-Temperature Schottky Anomalies and the Magnetic State of the p Electrons of Oxygen in Substituted [Gd.sub.0.4][Sr.sub.0.6]Co[O.sub.3 - [delta]] Cobaltites by Orlov, Yu.S, Dudnikov, V.A, Platunov, M.S, Gorev, M.V, Velikanov, D.A, Kazak, N.V, Gavrilkin, S. Yu, Solov'ev, L.A, Veligzhanin, A.A, Vereshchagin, S.N, Ovchinnikov, S.G

“…The XANES spectra (X-ray absorption near-edge spectra) at the K edge of Co and the [L.sub.3] edge of Gd in polycrystalline [Gd.sub.0.4][Sr.sub.0.6]Co[O.sub.3 -…”
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Effect of the Interatomic Exchange Interaction on the Magnetic Phase Transitions in Spin Crossover Systems under High-Pressure by Ovchinnikov, S. G., Orlov, Yu. S., Nikolaev, S. V., Nesterov, A. I., Ovchinnikova, T. M.

“…The phase diagram of an antiferromagnet with the spin crossover from the high-spin to low-spin state with S = 0 with increasing external pressure has been…”
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