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Abstract <p>The polytungstates of rare earth elements M<sub>10</sub>W<sub>22</sub>O<sub>81</sub> (M = La, Nd, Ce) were synthesized by a solid-phase method; their thermal and electrical-transport properties were studied. The electrical conductivity depending on the temperature and oxygen pressure in the gas phase was measured by the electrochemical impedance method. A combination of three methods (the measurements of electrical conductivity as a function of oxygen pressure, the transport number measurements by the EMF method, and the Tubandt method) showed the studied polytungstates to be oxygen-ion conductors.</p>

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Synthesis and Study of Electrical Transport Properties of Rare Earth Polytungstates M10W22O81 (M = La, Nd)

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • N. N. Pestereva,
  • A. F. Guseva,
  • A. A. Tushkova

摘要

Abstract

The polytungstates of rare earth elements M10W22O81 (M = La, Nd, Ce) were synthesized by a solid-phase method; their thermal and electrical-transport properties were studied. The electrical conductivity depending on the temperature and oxygen pressure in the gas phase was measured by the electrochemical impedance method. A combination of three methods (the measurements of electrical conductivity as a function of oxygen pressure, the transport number measurements by the EMF method, and the Tubandt method) showed the studied polytungstates to be oxygen-ion conductors.