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Detection of phase transitions in sodium bismuth titanate–barium titanate single crystals by acoustic emission

Dul’kin, E. and Mojaev, E. and Roth, M. and Greicius, S. and Granzow, Torsten (2008):
Detection of phase transitions in sodium bismuth titanate–barium titanate single crystals by acoustic emission.
In: Applied Physics Letters, pp. 012904-1, 92, (1), ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.2828698],
[Article]

Abstract

Acoustic emission measurements are combined with strain, dielectric, and polarization measurements to detect phase transitions in 0.94Na0.5Bi0.5TiO3–0.06BaTiO3 single crystals during thermal cycling as well as electric field cycling at both room temperature and 140 °C. All phase transitions known from the literature (cubic↔tetragonal↔trigonal I↔trigonal II) are determined to be of first order, and the existence of the ferroelectric trigonal II phase at room temperature and its transformation into an antiferroelectric phase during heating above 130 °C is established.

Item Type: Article
Erschienen: 2008
Creators: Dul’kin, E. and Mojaev, E. and Roth, M. and Greicius, S. and Granzow, Torsten
Title: Detection of phase transitions in sodium bismuth titanate–barium titanate single crystals by acoustic emission
Language: English
Abstract:

Acoustic emission measurements are combined with strain, dielectric, and polarization measurements to detect phase transitions in 0.94Na0.5Bi0.5TiO3–0.06BaTiO3 single crystals during thermal cycling as well as electric field cycling at both room temperature and 140 °C. All phase transitions known from the literature (cubic↔tetragonal↔trigonal I↔trigonal II) are determined to be of first order, and the existence of the ferroelectric trigonal II phase at room temperature and its transformation into an antiferroelectric phase during heating above 130 °C is established.

Journal or Publication Title: Applied Physics Letters
Volume: 92
Number: 1
Uncontrolled Keywords: NA1/2BI1/2TIO3; CERAMICS; BEHAVIOR; REGION
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 18 May 2011 15:20
Official URL: http://dx.doi.org/10.1063/1.2828698
Identification Number: doi:10.1063/1.2828698
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