Cation mobility in modified Li1 ? xTi2 ? xNbx(PO4)3 lithium titanium NASICON phosphates |
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| Authors: | I Yu Pinus I A Stenina A I Rebrov N A Zhuravlev and A B Yaroslavtsev |
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| Institution: | (1) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia;(2) Department of Chemistry, Moscow State University, Moscow, 119991, Russia;(3) Institute of Solid-State Chemistry, Ural Division, Russian Academy of Sciences, ul. Pervomaiskaya 91, Yekaterinburg, 620219, Russia |
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| Abstract: | Li1 − x
Ti2 − x
Nb
x
(PO4)3 NASICON materials are prepared and studied by X-ray diffraction, 7Li and 31P NMR spectroscopy, and impedance spectroscopy. Vacancy mobility in Li1 − x
Ti2 − x
Nb
x
(PO4)3 is lower than interstitial lithium mobility. Nb5+ cations with low doping levels increase cation mobility in LiTi2(PO4)3.
Original Russian Text ? I.Yu. Pinus, I.A. Stenina, A.I. Rebrov, N.A. Zhuravlev, A.B. Yaroslavtsev, 2009, published in Zhurnal
Neorganicheskoi Khimii, 2009, Vol. 54, No. 8, pp. 1240–1244. |
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