Grain boundary structure in BaTiO3 with a small excess of Ti-site dopant

T. Yamamoto, Y. Ikuhara, K. Hayashi, T. Sakuma

研究成果: ジャーナルへの寄稿記事

7 引用 (Scopus)

抄録

Grain boundary structure was examined with HRTEM and EELS for BaTiO3 doped with a small amount of cations with a special interest in chemical bonding state. It was found that the grain boundary structure was sensitive to a small excess of Ti-site dopant. The grain boundaries arc facetted with {210} habits and an ordered structure is formed. HRETM and EELS examination combined with molecular orbital calculation clearly revealed that TiO6 octahedral linkage changes from corner-sharing in the grain interior to edge-sharing at the grain boundary.

元の言語英語
ページ(範囲)247-250
ページ数4
ジャーナルMaterials Science Forum
294-296
出版物ステータス出版済み - 12 1 1999
外部発表Yes

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Grain boundaries
grain boundaries
Doping (additives)
Electron energy loss spectroscopy
Orbital calculations
habits
Molecular orbitals
linkages
Cations
molecular orbitals
arcs
examination
Positive ions
cations

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

これを引用

Grain boundary structure in BaTiO3 with a small excess of Ti-site dopant. / Yamamoto, T.; Ikuhara, Y.; Hayashi, K.; Sakuma, T.

:: Materials Science Forum, 巻 294-296, 01.12.1999, p. 247-250.

研究成果: ジャーナルへの寄稿記事

Yamamoto, T, Ikuhara, Y, Hayashi, K & Sakuma, T 1999, 'Grain boundary structure in BaTiO3 with a small excess of Ti-site dopant', Materials Science Forum, 巻. 294-296, pp. 247-250.
Yamamoto, T. ; Ikuhara, Y. ; Hayashi, K. ; Sakuma, T. / Grain boundary structure in BaTiO3 with a small excess of Ti-site dopant. :: Materials Science Forum. 1999 ; 巻 294-296. pp. 247-250.
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