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Ferroelectric Polarization Properties in High-Performance Bismuth Sodium Titanate Single Crystals
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First-Principles Calculations of Structural Changes Induced by Oxygen Vacancies in Tetragonal Phase BaTiO₃
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 485Ferroelectric Polarization Properties in...

Ferroelectric Polarization Properties in High-Performance Bismuth Sodium Titanate Single Crystals

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Abstract:

(Bi_0.5Na_0.5)TiO₃ (BNT) single crystals were grown by flux method at a high oxygen pressure (Po₂) of 1 MPa, and their polarization properties were investigated. BNT single crystals exhibited a saturated polarization hysteresis with a remanent polarizations (P_r) of 31 μC/cm² along [100]_c, 44 μC/cm² along [110]_c and 54 μC/cm² along [111]_c. These results show that spontaneous polarization of BNT is approximately 55 mC/cm² or larger.

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Electroceramics in Japan XIV

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Periodical:

Key Engineering Materials (Volume 485)

Pages:

7-10

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.485.7

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Online since:

July 2011

Authors:

Muneyasu Suzuki, Yuuki Kitanaka, Yuji Noguchi, Jun Akedo, Masaru Miyayama

Keywords:

Bismuth Sodium Titanate, Ferroelectric, Single Crystal

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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