TY - JOUR
T1 - Dielectric properties of single crystalline Ba(Ti0.99Zr0.01)2O5 prepared by the floating zone method
AU - Shiga, Keiji
AU - Katsui, Hirokazu
AU - Goto, Takashi
N1 - Funding Information:
This study was supported by a Grant-in-Aid of Tohoku University Division for International Advanced Research and Education, and by a cooperative program (Proposal No. 16G0405) of the CRDAM-IMR, Tohoku University, Japan. This study was also partially supported by Seiko Instruments Inc.
Publisher Copyright:
© 2017 Elsevier Ltd.
PY - 2017
Y1 - 2017
N2 - Zr4+-substituted single crystalline BaTi2O5 (Ba(Ti0.99Zr0.01)2O5) was prepared by the floating zone method, and its dielectric properties were investigated. The growth direction of Ba(Ti0.99Zr0.01)2O5 was parallel to the b axis. The Curie temperature of Ba(Ti0.99Zr0.01)2O5 was 710 K, which was 42 K lower than that of BaTi2O5. The complex impedance plane plot of BaTi2O5 in the b direction showed a semicircle associated with ferroelectric response and a spike associated with ionic conduction at 623 K. On the other hand, the complex impedance plot of Ba(Ti0.99Zr0.01)2O5 showed a single semicircle, suggesting almost no ionic conduction. The electrical conductivity of Ba(Ti0.99Zr0.01)2O5 was approximately half of that of BaTi2O5.
AB - Zr4+-substituted single crystalline BaTi2O5 (Ba(Ti0.99Zr0.01)2O5) was prepared by the floating zone method, and its dielectric properties were investigated. The growth direction of Ba(Ti0.99Zr0.01)2O5 was parallel to the b axis. The Curie temperature of Ba(Ti0.99Zr0.01)2O5 was 710 K, which was 42 K lower than that of BaTi2O5. The complex impedance plane plot of BaTi2O5 in the b direction showed a semicircle associated with ferroelectric response and a spike associated with ionic conduction at 623 K. On the other hand, the complex impedance plot of Ba(Ti0.99Zr0.01)2O5 showed a single semicircle, suggesting almost no ionic conduction. The electrical conductivity of Ba(Ti0.99Zr0.01)2O5 was approximately half of that of BaTi2O5.
KW - BaTiO
KW - Ferroelectric material
KW - Impedance Floating zone method
KW - Single crystal
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U2 - 10.1016/j.matpr.2017.09.028
DO - 10.1016/j.matpr.2017.09.028
M3 - Article
AN - SCOPUS:85032023267
VL - 4
SP - 11457
EP - 11460
JO - Materials Today: Proceedings
JF - Materials Today: Proceedings
SN - 2214-7853
IS - 11
ER -