Relationship between the Li ionic conduction and the local structures in LiyLa(1-y)/3NbO3

Nakayama, Masanobu; Ikuta, Hiromasa; Uchimoto, Yoshiharu; Wakihara, Masataka
May 2004
Applied Physics Letters;5/24/2004, Vol. 84 Issue 21, p4227
Academic Journal
In order to demonstrate the importance of local structural study for the lithium ionic conductor, we investigate the local structure of the Li+ conductor with perovskite structure, LiyLa(1-y)/3NbO3 (0≤y≤0.25) using the extended x-ray absorption fine structure (EXAFS) technique. The results of EXAFS measurement imply that changes of the local structure are more crucial for the property on ionic conductivity than that of the lattice parameter obtained by x-ray diffraction technique. © 2004 American Institute of Physics.


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