Electrical conduction properties of La-substituted bismuth titanate single crystals

被引：0
作者：
Takahashi, M
Noguchi, Y
Miyayama, M
机构：
[1] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538904, Japan
[2] JST, PREST, Meguro Ku, Tokyo 1538904, Japan
来源：
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2005年 / 6卷 / 04期
关键词：
bismuth titanate; lanthanum substitution; single crystal; Ab initio calculation; oxygen vacancy;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Single crystals of lanthanum-substituted bismuth titanate were grown by a self-flux method, and electrical conductivities were investigated at high temperatures. Lanthanum substitution suppressed Bi vaporization during annealing and decreased the electrical conductivity in both the a- and c-axes. It is suggested that lanthanum substitution stabilizes the perovskite blocks and hence decreases the concentrations of oxygen vacancies and holes as the conduction carriers. An ab-initio calculation indicated that the formation energy of an oxygen vacancy in the perovskite block is increased by lanthanum substitution, supporting the above experimental results.
引用
收藏
页码：281 / 285
页数：5
相关论文
共 50 条
[41]   Single crystal synthesis and magnetic properties of Co2+-substituted and non-substituted magnetoplumbite-type Na-La ferrite [J].
Waki, Takeshi ;
Takao, Kenta ;
Tabata, Yoshikazu ;
Nakamura, Hiroyuki .
JOURNAL OF SOLID STATE CHEMISTRY, 2020, 282
[42]   Growth and Dielectric Properties of Ta-Doped La2Ti2O7 Single Crystals [J].
Wang, Hui ;
Li, Qin ;
Wang, Chaoyue ;
He, Huan ;
Yu, Jianding ;
Xu, Jiayue .
CRYSTALS, 2018, 8 (03)
[43]   Electrical properties of p-type β-FeSi2 single crystals grown from Ga and Zn solvents [J].
Udono, H ;
Kikuma, I .
THIN SOLID FILMS, 2004, 461 (01) :188-192
[44]   Single-crystal growth and magnetic properties of Co-substituted Ca-La magnetoplumbite-type ferrite [J].
Waki, T. ;
Uji, K. ;
Tabata, Y. ;
Nakamura, H. .
JOURNAL OF SOLID STATE CHEMISTRY, 2019, 270 :366-369
[45]   Effect of La-Na Doping in Co-Ti Substituted Barium Hexaferrite on Electrical and X-Band Microwave Absorption Properties [J].
Arora, Amit ;
Narang, Sukhleen Bindra .
JOURNAL OF ELECTRONIC MATERIALS, 2018, 47 (08) :4919-4928
[46]   Scintillation Properties of Ba3RE(PO4)3 Single Crystals (RE = Y, La, Lu) [J].
Takebuchi, Yuma ;
Koshimizu, Masanori ;
Ichiba, Kensei ;
Kato, Takumi ;
Nakauchi, Daisuke ;
Kawaguchi, Noriaki ;
Yanagida, Takayuki .
MATERIALS, 2023, 16 (13)
[47]   Electrical properties of layer-structured Pb2Bi4Ti5O18 single crystals [J].
Yi, IS ;
Miyayama, M .
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 1998, 106 (03) :285-289
[48]   Optical and scintillation properties of Pr3+-doped (La, Y)2Si2O7 single crystals [J].
Abe Y. ;
Horiai T. ;
Pejchal J. ;
Yokota Y. ;
Yoshino M. ;
Murakami R. ;
Hanada T. ;
Yamaji A. ;
Sato H. ;
Ohashi Y. ;
Kurosawa S. ;
Kamada K. ;
Yoshikawa A. ;
Nikl M. .
Optical Materials: X, 2024, 22
[49]   Low-temperature magnetic properties of R0.7Pb0.3MnO3 (R = Nd and La) single crystals [J].
Gu, BX ;
Zhang, SY ;
Zhang, HC ;
Shen, BG .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1999, 204 (1-2) :45-48
[50]   Scintillation Properties of Ca8La2(PO4)6O2:Ce Single Crystals [J].
Miyazaki, Keiichiro ;
Nakauchi, Daisuke ;
Takebuchi, Yuma ;
Kato, Takumi ;
Kawaguchi, Noriaki ;
Yanagida, Takayuki .
SENSORS AND MATERIALS, 2025, 37 (02) :575-580
12345