Search Results - "Guseva, A. F."

Synthesis and Electrical Properties of Nd2(WO4)3–SiO2 Composites by Guseva, A. F., Pestereva, N. N.

“…Abstrac t—The (1 – x )Nd 2 (WO 4 ) 3 – x SiO 2 composites where the silicon oxide mole fraction is x ≤ 0.5 were manufactured by the solid-phase method. The…”
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Oxygen-Ion Conducting Composites MWO4–SiO2 (M—Sr, Ba) by Pestereva, N. N., Guseva, A. F., Belyatova, V. A., Korona, D. V.

“…Composite materials (1 – f )SrWO 4 – f SiO 2 and (1 – f )BaWO 4 – f SiO 2 , where f is the volume fraction of the disperse additive SiO 2 , are prepared by the…”
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Transport Properties of La2(WO4)3–Al2O3 Composites by Pestereva, N. N., Guseva, A. F., Vasilenko, N. A., Beketov, I. V., Selezneva, N. V.

“…(1 – φ)La 2 (WO 4 ) 3 –φAl 2 O 3 composites are obtained by the solid-phase method (φ is the volume fraction of nanodispersed alumina) and their thermal…”
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Effect of SiO2 Concentration on the Electrical Conductivity of M2(WO4)3/SiO2 (M = La, Sm) Composites by Guseva, A. F., Pestereva, N. N., Pyrlik, E. V., Korona, D. V.

“…— Composites with the general formulas (1 – x )La 2 (WO 4 ) 3 – x SiO 2 and (1 – x )Sm 2 (WO 4 ) 3 – x SiO 2 have been prepared by solid-state reactions. The…”
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Electric Conductivity of In2(MoO4)3 and Composites (1 – х)In2(MoO4)3–хMoO3 by Pestereva, N. N., Guseva, A. F., Dahle, Ya. A.

“…Indium molybdate and eutectic composites (1 – х )In 2 (MoO 4 ) 3 – х MoO 3 (where the molar fraction is х = 0; 0.1; 0.3; 0.5) were synthesized, their…”
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Conductivity of Composites MeWO4–Al2O3 (Me = Ca, Sr) by Guseva, A. F., Pestereva, N. N., Kuznetsov, D. K., Boyarshinova, A. A., Gardt, V. A.

“…Composites (1 – x )MeWO 4 – x Аl 2 O 3 (Me = Ca, Sr) are synthesized by the solid-phase method. Their phase composition and thermodynamic stability are…”
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Ionic Conductivity of Solid Solutions and Composites Based on Sm2W3O12 by Guseva, A. F., Pestereva, N. N., Vostrotina, E. L., Otcheskikh, D. D., Lopatin, D. A.

“…The conductivity of samples based on Sm 2 W 3 O 12 obtained by using homogeneous (solid solutions Sm 2 – x М x W 3 O 12 – 0.5 x , where М = Ca, Zn) and…”
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Conductivity of Al2(WO4)3–WO3 and Al2(WO4)3–Al2O3 Composites by Guseva, A. F., Pestereva, N. N., Otcheskikh, D. D., Vostrotina, E. L.

“…Composites of (1 – x )Al 2 (WO 4 ) 3 – x WO 3 and (1 – x )Al 2 (WO 4 ) 3 – x Al 2 O 3 are synthesized and their conductivity is studied as dependent on the…”
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Nature of ionic conductivity of lanthanide tungstates with imperfect scheelite structure by Pestereva, N. N., Vyatkin, I. A., Lopatin, D. A., Guseva, A. F.

“…Electric properties of tungstates with imperfect scheelite structure, Ln 2 (WO 4 ) 3 (Ln = La, Sm, Eu), are studied; the charge carrier type is determined in…”
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Transport Processes on the M2(WO4)3|WO3 (M = Sm, Gd) Interphase Boundary by Guseva, A. F., Pestereva, N. N., Lopatin, D. A., Vostrotina, E. L., Korona, D. V.

“…New data are obtained on the distribution of tungsten oxide by M 2 (WO 4 ) 3 (M = Sm, Gd) grain boundaries in an electric field. It is established that…”
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Electric transport in tungstates Ln2(WO4)3 (La = Yb, Lu) by Pestereva, N. N., Lopatin, D. A., Guseva, A. F., Vostrotina, E. L., Korona, D. V., Nokhrin, S. S.

“…Electrical transport in orthorhombic ytterbium and lutetium tungstates with Sc 2 (WO 4 ) 3 structural type was studied. It was proved by using two independent…”
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Surface reactions with participation of oxides of molybdenum and tungsten by Guseva, A. F., Trifonova, M. V.

“…The kinetics of surface reactions in one-dimensional and radial (two-dimensional) distribution of diffusant MoO3 (WO3) on the surface of the substrate MeO (Me…”
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Surface reactions with participation of oxides of molybdenum and tungsten: the influence of external factors by Guseva, A. F., Trifonova, M. V., Pestereva, N. N.

“…This work is a continuation of the article "Surface reactions with participation of oxides of molybdenum and tungsten", published in the previous issue of the…”
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Effect of Silicon, Vanadium, and Tungsten Oxide Additives on the Electrical Properties of Composites Based on CaWO4 by Pestereva, N. N., Guseva, A. F., Kuznetsov, D. K., Selezneva, N. V., Korona, D. V.

“…A study is made of the effect the nature of a heterogeneous highly dispersed additive has on the electrical properties of composites based on an oxygen-ion…”
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Phase equilibria in the La2O3-Ga2O3-CoO system at 1100 deg C by Guseva, A F, Cherepanov, V A

“…The phase equilibria in the La2O3-Ga2O3-CoO system have been studied at 1100 deg C in air, using samples prepared by a standard ceramic processing technique…”
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Phase equilibria in the La2O3-Ga2O3-CoO system at 1100°C by Guseva, A. F., Cherepanov, V. A.

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Origin of potential difference selfgenerated by reaction and transport processes by Neiman, A

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Origin of potential difference selfgenerated by reaction and transport processes by NEIMAN, A. Ya, GUSEVA, A. F, SHARAFUTDINOV, A. R

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