Crystal growth of alkali metal ion doped potassium niobate fiber single crystals

被引：9

作者：

Kimura, H. ^{[1
]}

Tanahashi, R. ^{[1
]}

Zhao, H. Y. ^{[1
]}

Maiwa, K. ^{[1
]}

Cheng, Z. X. ^{[2
]}

Wang, X. L. ^{[2
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[2] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2519, Australia

来源：

OPTICAL MATERIALS | 2010年 / 32卷 / 07期

基金：

澳大利亚研究理事会; 日本学术振兴会;

关键词：

Alkali metal ion; Potassium niobate; Single crystal; Fiber-shape; Composition change; Transmittance; Impedance; PULSED-LASER DEPOSITION; KNBO3; CRYSTAL;

D O I：

10.1016/j.optmat.2010.02.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Alkali metal (Na, Rb or Cs) ion doped KNbO3 fiber single crystals are grown using an original pulling down method, to improve their composition change during a crystal growth, by means of co-doping of small ionic size Na and large ionic size Rb or Cs into KNbO3. In spite of the co-doping, single crystals can be grown with orthorhombic single-phase at room temperature, as well as pure KNbO3. Their electric properties, such as impedance, are changed depending on the doping ions. Na and Rb co-doped KNbO3 is promising Pb free ferroelectric and piezoelectric crystals. (C) 2010 Elsevier B.V. All rights reserved.

引用

收藏

页码：735 / 738

页数：4

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