Diffusion pathway of mobile ions and crystal structure of ionic and mixed conductors - A brief review
Diffusion pathway of mobile ions and crystal structure of ionic and mixed conductors - A brief review
复制标题
DOI：
10.2109/jcersj2.117.1055
复制
发表时间：
2009
影响因子：
1.1
通讯作者：
M. Yashima
中科院分区：
文献类型：
--
作者：
M. Yashima
本文对固态离子学的研究进展作了简要的评述，包括移动的离子的扩散途径、晶体结构和材料。在氧化铈固溶体、氧化铋固溶体δ-Bi_（1.4）Yb_（0.6）O_3和碘化铜CuI等萤石结构离子导体中，观察到了类似的沿方向的弯曲扩散路径。Ce0.93Y0.07O1.96在具有立方ABO 3钙钛矿型结构的离子和混合导体如镓酸镧和钴酸镧固溶体中，移动的离子沿着曲线扩散，在一定程度上保持B阳离子和O2-阴离子之间的原子间距离。描述了双钙钛矿型La0.64Ti0.92Nb0.08O2.99、K2 NiF 4型（Pr0.9La0.1）2（Ni0.74Cu0.21Ga0.05）O 4 +δ和磷灰石型La9.69（Si5.70Mg0.30）O26.24的结构和扩散路径。Li+离子在La0.62Li0.16TiO3和Li0.6FePO4中的扩散路径分别为二维和一维。
A brief review on the field of Solid State Ionics, including the diffusion pathway of mobile ions, crystal structure and materials, is presented. In the fluorite-structured ionic conductors such as ceria solid solution Ce0.93Y0.07O1.96, bismuth oxide solid solution δ-Bi1.4Yb0.6O3 and copper iodide CuI, a similar curved diffusion pathway along the directions is observed. In the ionic and mixed conductors with the cubic ABO3 perovskite-type structure such as lanthanum gallate and lanthanum cobaltite solid solutions, the mobile ions diffuse along a curved line keeping the interatomic distance between the B cation and O2- anion to some degree. The structure and diffusion path of double-perovskite-type La0.64Ti0.92Nb0.08O2.99, K2NiF4-type (Pr0.9La0.1)2(Ni0.74Cu0.21Ga0.05)O4+δ , and apatite-type La9.69(Si5.70Mg0.30)O26.24 are described. The diffusion paths of Li+ ions in La0.62Li0.16TiO3 and Li0.6FePO4 are two- and one-dimensional, respectively.