Impedance of Cubic Li7La3Zr2O12 Film Deposited on Strontium Ruthenate Substrate by Chemical Vapor Deposition

被引：4
|
作者：
Katsui, Hirokazu [1 ]
Goto, Takashi [1 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
来源：
MATERIALS TODAY-PROCEEDINGS | 2017年 / 4卷 / 11期
关键词：
Li7La3Zr2O12; CVD; conductivity; impedance spectroscopy; electrical conductive substrate; GARNET-TYPE LI7LA3ZR2O12; SOLID-STATE BATTERIES; THIN-FILMS; EPITAXIAL-GROWTH; ELECTROLYTE;
D O I：
10.1016/j.matpr.2017.09.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A garnet-type lithium lanthanum zirconium oxide (Li7La3Zr2O12) film was deposited on a strontium ruthenate (SrRuO3) substrate by chemical vapor deposition using metal organic precursors and its ionic conductivity was investigated by impedance spectroscopy in the temperature range of 298-368 K. A single-phase cubic Li7La3Zr2O12 film with a dense granular morphology was formed on the SrRuO3 electrode substrate at a deposition temperature of 1223 K and total pressure of 400 Pa. The complex plane plots of the Li7La3Zr2O12 film comprised part of a semicircle, associated with the transport of Li ions through the film at high frequencies, and a significant spike, attributed to the Warburg impedance at low frequencies. The ionic conductivity was 1.4 x 10(-5) S . cm(-1) at room temperature and increased with an increase in temperature, with an activation energy of 0.36 eV. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：11445 / 11448
页数：4
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