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Dielectric Properties and Optical Absorption of Single-Crystalline BaTi2O5 Synthesized Using High-Purity BaCO3 as Source Material

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Abstract:

Highly pure transparent single-crystalline BaTi2O5, 6 mm in diameter and 15 mm in length, was prepared by a floating zone (FZ) method using high purity BaCO3 as a source material. The as-prepared crystal was partially dark blue and became transparent by annealing at 773 K in air. The maximum value of permittivity (εmax) was 36000 at the frequency of 100 kHz and the Curie temperature (TC) was 757 K.

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Periodical:

Key Engineering Materials (Volume 616)

Pages:

153-156

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.616.153

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Online since:

June 2014

Authors:

Keiji Shiga*, Hirokazu Katsui, Takashi Goto

Keywords:

AC Impedance Spectroscopy (ACIS), BaTi2O5, Floating Zone Method

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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