Microstructure and dielectric properties of sintered Li-Nb-Ti-O solid solution ceramics having superstructure

Yo Yamamotof; Hiroyuki Hayashi; Tohru Sekino; Tadachika Nakayama; Hiroki Kondo; Masashi Wada; Tomohiko Adachi; Koichi Niihara

doi:10.1007/s10019-003-0231-9

Microstructure and dielectric properties of sintered Li-Nb-Ti-O solid solution ceramics having superstructure

Yo Yamamotof, Hiroyuki Hayashi, Tohru Sekino, Tadachika Nakayama, Hiroki Kondo, Masashi Wada, Tomohiko Adachi, Koichi Niihara

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

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

23 Citations (Scopus)

Abstract

Effects of preparation conditions on the microstructures and periodicity of the superstructure for Li_1+xNb_1-xTi_xO ₃ phase M polycrystals were investigated. Obtained specimens, mainly comprised of elongated plate-like grains, and their surfaces were found to be parallel to periodical domains. Sintered materials were found to contain Nb-doped Li₂TiO₃ based solid solution that was one of the end members in the phase diagram of constituent materials. Superperiodicity of phase M was found to be affected by the both chemical compositions and sintering conditions. The dielectric constant increased with increasing of periodicity of superstructures, which could be varied by the amount of Ti concentration.

Original language	English
Pages (from-to)	74-79
Number of pages	6
Journal	Materials Research Innovations
Volume	7
Issue number	2
DOIs	https://doi.org/10.1007/s10019-003-0231-9
Publication status	Published - 2003 Apr 1

Keywords

Ceramics
Dielectric property
LiNbO
Sintering
Superstructure
TiO

ASJC Scopus subject areas

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

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10.1007/s10019-003-0231-9

Cite this

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abstract = "Effects of preparation conditions on the microstructures and periodicity of the superstructure for Li1+xNb1-xTixO 3 phase M polycrystals were investigated. Obtained specimens, mainly comprised of elongated plate-like grains, and their surfaces were found to be parallel to periodical domains. Sintered materials were found to contain Nb-doped Li2TiO3 based solid solution that was one of the end members in the phase diagram of constituent materials. Superperiodicity of phase M was found to be affected by the both chemical compositions and sintering conditions. The dielectric constant increased with increasing of periodicity of superstructures, which could be varied by the amount of Ti concentration.",

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T1 - Microstructure and dielectric properties of sintered Li-Nb-Ti-O solid solution ceramics having superstructure

AU - Yamamotof, Yo

AU - Hayashi, Hiroyuki

AU - Sekino, Tohru

AU - Nakayama, Tadachika

AU - Kondo, Hiroki

AU - Wada, Masashi

AU - Adachi, Tomohiko

AU - Niihara, Koichi

PY - 2003/4/1

Y1 - 2003/4/1

N2 - Effects of preparation conditions on the microstructures and periodicity of the superstructure for Li1+xNb1-xTixO 3 phase M polycrystals were investigated. Obtained specimens, mainly comprised of elongated plate-like grains, and their surfaces were found to be parallel to periodical domains. Sintered materials were found to contain Nb-doped Li2TiO3 based solid solution that was one of the end members in the phase diagram of constituent materials. Superperiodicity of phase M was found to be affected by the both chemical compositions and sintering conditions. The dielectric constant increased with increasing of periodicity of superstructures, which could be varied by the amount of Ti concentration.

AB - Effects of preparation conditions on the microstructures and periodicity of the superstructure for Li1+xNb1-xTixO 3 phase M polycrystals were investigated. Obtained specimens, mainly comprised of elongated plate-like grains, and their surfaces were found to be parallel to periodical domains. Sintered materials were found to contain Nb-doped Li2TiO3 based solid solution that was one of the end members in the phase diagram of constituent materials. Superperiodicity of phase M was found to be affected by the both chemical compositions and sintering conditions. The dielectric constant increased with increasing of periodicity of superstructures, which could be varied by the amount of Ti concentration.

KW - Ceramics

KW - Dielectric property

KW - LiNbO

KW - Sintering

KW - Superstructure

KW - TiO

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Microstructure and dielectric properties of sintered Li-Nb-Ti-O solid solution ceramics having superstructure

Abstract

Keywords

ASJC Scopus subject areas

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