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Phase equilibria, charge transport, and mass transport in Sr4Nb2O9-“M4Nb2O9” (M = Cd, Cu, Ni, and Zn) systems. / Pantyukhina, M. I.; Podkorytov, A. L.; Zhukovskii, V. M.
в: Russian Journal of Inorganic Chemistry, Том 55, № 1, 2010, стр. 103-111.

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@article{a4227d3d12c44058ab0762fa2b222dab,
title = "Phase equilibria, charge transport, and mass transport in Sr4Nb2O9-“M4Nb2O9” (M = Cd, Cu, Ni, and Zn) systems",
abstract = "Homogeneous fields of Sr4 - x M x Nb 2O9 (M = Cd, Cu, Ni, or Zn) solid solutions were determined using powder X-ray diffraction. Phase fields were plotted proceeding from the tolerance factor t and electronegativity ratio {\=κ} A/{\=κ}B with a satisfactory fit of experimental results. Thermogravimetry was used to establish the major kinetic laws of solid-phase synthesis (conversion, rate-controlling stage, and effective activation energy) in (4 - x)SrCO3 + xMO + Nb2O 5 powdery mixtures. Direct radiometry was used to determine 90Sr, 63Ni, and 65Zn self-diffusion coefficients in solid solutions based on the Sr4Nb2O 9 phase. Electrical conductivity was measured as a function of temperature for all Sr4Nb2O9-{"}M 4Nb2O9{"} samples. The conductivity of Sr4 - x M x Nb2O9 (M = Cd, Cu, Ni, or Zn) solid solutions has a mixed ion-electron character. {\textcopyright} 2010 Pleiades Publishing, Ltd.",
author = "Pantyukhina, {M. I.} and Podkorytov, {A. L.} and Zhukovskii, {V. M.}",
year = "2010",
doi = "10.1134/S0036023610010201",
language = "English",
volume = "55",
pages = "103--111",
journal = "Russian Journal of Inorganic Chemistry",
issn = "0036-0236",
publisher = "Pleiades Publishing",
number = "1",

}

RIS

TY - JOUR

T1 - Phase equilibria, charge transport, and mass transport in Sr4Nb2O9-“M4Nb2O9” (M = Cd, Cu, Ni, and Zn) systems

AU - Pantyukhina, M. I.

AU - Podkorytov, A. L.

AU - Zhukovskii, V. M.

PY - 2010

Y1 - 2010

N2 - Homogeneous fields of Sr4 - x M x Nb 2O9 (M = Cd, Cu, Ni, or Zn) solid solutions were determined using powder X-ray diffraction. Phase fields were plotted proceeding from the tolerance factor t and electronegativity ratio κ̄ A/κ̄B with a satisfactory fit of experimental results. Thermogravimetry was used to establish the major kinetic laws of solid-phase synthesis (conversion, rate-controlling stage, and effective activation energy) in (4 - x)SrCO3 + xMO + Nb2O 5 powdery mixtures. Direct radiometry was used to determine 90Sr, 63Ni, and 65Zn self-diffusion coefficients in solid solutions based on the Sr4Nb2O 9 phase. Electrical conductivity was measured as a function of temperature for all Sr4Nb2O9-"M 4Nb2O9" samples. The conductivity of Sr4 - x M x Nb2O9 (M = Cd, Cu, Ni, or Zn) solid solutions has a mixed ion-electron character. © 2010 Pleiades Publishing, Ltd.

AB - Homogeneous fields of Sr4 - x M x Nb 2O9 (M = Cd, Cu, Ni, or Zn) solid solutions were determined using powder X-ray diffraction. Phase fields were plotted proceeding from the tolerance factor t and electronegativity ratio κ̄ A/κ̄B with a satisfactory fit of experimental results. Thermogravimetry was used to establish the major kinetic laws of solid-phase synthesis (conversion, rate-controlling stage, and effective activation energy) in (4 - x)SrCO3 + xMO + Nb2O 5 powdery mixtures. Direct radiometry was used to determine 90Sr, 63Ni, and 65Zn self-diffusion coefficients in solid solutions based on the Sr4Nb2O 9 phase. Electrical conductivity was measured as a function of temperature for all Sr4Nb2O9-"M 4Nb2O9" samples. The conductivity of Sr4 - x M x Nb2O9 (M = Cd, Cu, Ni, or Zn) solid solutions has a mixed ion-electron character. © 2010 Pleiades Publishing, Ltd.

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UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=75149134255

U2 - 10.1134/S0036023610010201

DO - 10.1134/S0036023610010201

M3 - Article

VL - 55

SP - 103

EP - 111

JO - Russian Journal of Inorganic Chemistry

JF - Russian Journal of Inorganic Chemistry

SN - 0036-0236

IS - 1

ER -

ID: 37889150