Crystal structure and conduction path analysis of Li(Co $_{1/3}$ Ni $_{1/3}$ Mn $_{1/3}$ )O $_{2}$ by neutron powder diffraction

Igawa, Naoki ; Taguchi, Tomitsugu; Fukazawa, Hiroshi; Yamauchi, Hiroki ; Utsumi, Wataru

The crystal structure of Li(Co $_{1/3}$ Ni $_{1/3}$ Mn $_{1/3}$ )O $_{2}$ was studied by the Rietveld method using the neutron powder diffraction, and the neutron scattering length density maps were analyzed for the investigation of the Li conduction path by the maximum entropy method (MEM). The crystal structure could be refined with the space group, -3. Though Li, (Co, Ni, Mn) and O atoms were mainly occupied at 3, 3 and 6 sites, 3.8% of 3 site was substituted by Ni atom. According to the neutron scattering length density maps obtained by MEM, it is assumed that the Li atom was diffused through the 3-9-3.

Language	:	Japanese
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Meeting title	:	日本セラミックス協会2009年年会
Held date	:	2009/03
Location (city)	:	野田
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : BB20083395
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Crystal structure and conduction path analysis of Li(CoNiMn)O by neutron powder diffraction

Crystal structure and conduction path analysis of Li(Co $_{1/3}$ Ni $_{1/3}$ Mn $_{1/3}$ )O $_{2}$ by neutron powder diffraction