Paper Title:
Influence of Annealing on Domain Structures of Bismuth-Titanate-Based Crystals
  Abstract

Influence of annealing on the domain structures of bismuth titanate (BiT) and rare-earth (La and Nd)-substituted BiT crystals (BLT or BNT) were investigated by optical microscope and piezoresponse force microscope (PFM). Annealing of BiT at 950°C in air significantly decreased the number of striped 90° domain walls, while charged 180° domain walls were still present in the crystals after the annealing. The annealing for the crystals of BLT and BNT at the same condition did not change their 90° domain structures. PFM observations indicated that antiphase domain boundaries in BLT play an important role in the formation of 90° domain structures.

  Info
Periodical
Edited by
Keiichi Katayama, Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki
Pages
27-30
DOI
10.4028/www.scientific.net/KEM.320.27
Citation
S. Katayama, Y. Noguchi, M. Miyayama, "Influence of Annealing on Domain Structures of Bismuth-Titanate-Based Crystals ", Key Engineering Materials, Vol. 320, pp. 27-30, 2006
Online since
September 2006
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$32.00
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