Two types of domain boundaries in lanthanum magnesium niobate

Hwack Joo Lee, Hyun Min Park, Yang Koo Cho, Yong Won Song, Jong Hoo Paik, Sahn Nahm, Jae Dong Byun

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Microstructural studies of the domain boundaries in the complex perovskite compound lanthanum magnesium niobate (La[Mg2/3Nb1/3]O3, LMN) were conducted using transmission electron microscopy. Both the 1:1 chemical ordering of B-site cations and the tilting of oxygen octahedra affected the domain boundaries. Two types of domain boundaries were observed. In addition to the presence of antiphase boundaries, which were insensitive to the crystallographic planes, ferroelastic domain boundaries that were caused by the phase transition due to the tilting of oxygen octahedra also were present. In some grains, only one type of oxygen tilting was present, which resulted in a single domain in one grain. Two or three domains were observed in a grain where the walls were parallel to the {110} plane. Many domains also were observed in a grain that had boundaries whose linear characteristics were gradually reduced.

Original languageEnglish
Pages (from-to)2875-2877
Number of pages3
JournalJournal of the American Ceramic Society
Volume83
Issue number11
Publication statusPublished - 2000 Nov 1

Fingerprint

Lanthanum
Magnesium
magnesium
Oxygen
Lanthanum compounds
oxygen
Perovskite
Cations
Phase transitions
Positive ions
perovskite
Transmission electron microscopy
phase transition
transmission electron microscopy
cation

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Lee, H. J., Park, H. M., Cho, Y. K., Song, Y. W., Paik, J. H., Nahm, S., & Byun, J. D. (2000). Two types of domain boundaries in lanthanum magnesium niobate. Journal of the American Ceramic Society, 83(11), 2875-2877.

Two types of domain boundaries in lanthanum magnesium niobate. / Lee, Hwack Joo; Park, Hyun Min; Cho, Yang Koo; Song, Yong Won; Paik, Jong Hoo; Nahm, Sahn; Byun, Jae Dong.

In: Journal of the American Ceramic Society, Vol. 83, No. 11, 01.11.2000, p. 2875-2877.

Research output: Contribution to journalArticle

Lee, HJ, Park, HM, Cho, YK, Song, YW, Paik, JH, Nahm, S & Byun, JD 2000, 'Two types of domain boundaries in lanthanum magnesium niobate', Journal of the American Ceramic Society, vol. 83, no. 11, pp. 2875-2877.
Lee HJ, Park HM, Cho YK, Song YW, Paik JH, Nahm S et al. Two types of domain boundaries in lanthanum magnesium niobate. Journal of the American Ceramic Society. 2000 Nov 1;83(11):2875-2877.
Lee, Hwack Joo ; Park, Hyun Min ; Cho, Yang Koo ; Song, Yong Won ; Paik, Jong Hoo ; Nahm, Sahn ; Byun, Jae Dong. / Two types of domain boundaries in lanthanum magnesium niobate. In: Journal of the American Ceramic Society. 2000 ; Vol. 83, No. 11. pp. 2875-2877.
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