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

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

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

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

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	247-250
Number of pages	4
Journal	Materials Science Forum
Volume	294-296
Publication status	Published - Dec 1 1999
Externally published	Yes

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "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.",

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AU - Yamamoto, T.

AU - Ikuhara, Y.

AU - Hayashi, K.

AU - Sakuma, T.

PY - 1999/12/1

Y1 - 1999/12/1

N2 - 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.

AB - 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.

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M3 - Article

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VL - 294-296

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JO - Materials Science Forum

JF - Materials Science Forum

SN - 0255-5476

ER -

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

Abstract

All Science Journal Classification (ASJC) codes

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