Growth and characterization of rare earths doped triglycine sulfate crystals

被引：17

作者：

Batra, AK ^{[1
]}

Guggilla, P ^{[1
]}

Cunningham, D ^{[1
]}

Aggarwal, MD ^{[1
]}

Lal, RB ^{[1
]}

机构：

[1] Alabama A&M Univ, Dept Phys, Normal, AL 35762 USA

来源：

PHYSICA B-CONDENSED MATTER | 2006年 / 371卷 / 02期

基金：

美国国家科学基金会;

关键词：

triglycine sulfate; pyroelectric infrared detector; solution crystal growth;

D O I：

10.1016/j.physb.2005.10.106

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 [凝聚态物理];

摘要：

Ferroelectric triglycine sulfate (TGS) single crystals have been grown by a temperature-lowering technique from the aqueous solution by doping with samarium sulfate, ytterbium sulfate and terbium sulfate in the ferroelectric phase. The effects of these different dopants on the morphology, growth and various properties such as dielectric, pyroelectric and piezoelectric of doped TGS crystals have been investigated. The decrease in values of dielectric constant and pyroelectric coefficient is observed while the dielectric loss has increased. Using these parameters, figure-of-merits for their use in infrared sensors have also been reported and compared with pure TGS crystal. The Vickers's hardness of doped TGS crystals along (010) crystallographic face has increased. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：210 / 214

页数：5

共 43 条

[1]

Doped TGS crystals for IR detection and sensors [J].