Phase Transitions and Ion Conductivity in NASICON-type Compounds Li_(1±X)Zr_(2-X)M_X(PO_4)_3, M = Ta, Nb, Y, Sc, In

机译：NASICON型化合物Li_（1±X）Zr_（2-X）M_X（PO_4）_3的相变和离子电导率，M = Ta，Nb，Y，Sc，In

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Ionic conductivity and phase transitions of lithium-zirconium phosphates, Li_(1±X)Zr_(2-X) M_X(PO_4)_3 (M = Ta, Nb, Y, Sc, In), with NASICON structure were studied using X-ray powder diffraction, calorimetry, ~(31)P and ~7Li NMR and impedance spectroscopy. Triclinic-rhombohedral phase transition in these materials occurs in a wide temperature range at coexistence of both phases. Unusual change of LiZr_2(PO_4)O_3 lattice parameters with temperature increase was found. During heating of this compound parameter "a" significantly decreases.

机译：使用X-色散研究了具有NASICON结构的锂锆磷酸锂Li_（1±X）Zr_（2-X）M_X（PO_4）_3（M = Ta，Nb，Y，Sc，In）的离子电导率和相变射线粉末衍射，量热法，〜（31）P和〜7Li NMR和阻抗谱。这些材料中的三斜-方四面体相变在较宽的温度范围内同时存在。发现LiZr_2（PO_4）O_3晶格参数随温度升高出现异常变化。在加热该化合物期间，参数“ a”显着降低。

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来源
《International Conference on Diffusion in Solids: Past, Present and Future; 20050523-27; Moscow(RU)》|2005年|P.255-262|共8页
会议地点 Moscow(RU)
作者
I.A. Stenina; M.N. Kislitsyn; I.Yu. Pinus; S.M. Haile; A.B. Yaroslavtsev;
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作者单位

Kurnakov Institute of General and Inorganic Chemistry RAS, 31 Leninsky pr., 119991 Moscow Russia;

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原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
lithium zirconium phosphate; heterovalent doping; NASICON; phase transitions; ionic conductivity;

机译：磷酸锆锆;异价掺杂; NASICON;相变;离子电导率;

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2. Cation Mobility in NASICON Compounds Li_(1-x)Zr_(2-x)Nb_x(PO_4)_3 and Li_(1+x)Zr_(2-x)Sc_x(PO_4)_3 [J] . I. A. Stenina, A. D. Aliev, E. V. Antipov Russian Journal of Inorganic Chemistry . 2002,第10期

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3. Physical Methods of Investigation Phase Transformations and Cation Mobility in NASICON Lithium Zirconium Double Phosphates Li_(1+ - x) Zr_(2-x)M_X(PO_4)_3 (M = Sc, Y In, Nb, Ta) [J] . I. A. Stenina, M. N. Kislitsyn, I. Yu. Pines Russian Journal of Inorganic Chemistry . 2005,第6期

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5. Phase Transitions and Ion Conductivity in NASICON-type Compounds Li_(1±X)Zr_(2-X)M_X(PO_4)_3, M = Ta, Nb, Y, Sc, In [C] . I.A. Stenina, M.N. Kislitsyn, I.Yu. Pinus, International Conference on Diffusion in Solids: Past, Present and Future . 2006

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Phase Transitions and Ion Conductivity in NASICON-type Compounds Li_(1±X)Zr_(2-X)M_X(PO_4)_3, M = Ta, Nb, Y, Sc, In

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