Studies on codoping behavior of Nd:Mg:LiNbO3 crystals

被引：32
作者：
Kar, S.
Choubey, R. K.
Sen, P.
Bhagavannarayana, G.
Bartwal, K. S.
机构：
[1] Raja Ramanna Ctr Adv Technol, Laser Mat Dev & Devices Div, Indore 452013, India
[2] SGSITS, Dept Appl Phys, Indore 452003, India
[3] Natl Phys Lab, Crystal Growth Sect, New Delhi 110012, India
来源：
PHYSICA B-CONDENSED MATTER | 2007年 / 393卷 / 1-2期
关键词：
optical materials; crystal growth; X-ray diffraction; crystalline perfection; optical transmittance;
D O I：
10.1016/j.physb.2006.12.034
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Undoped, Mg doped and Mg, Nd codoped LiNbO3 single crystals were grown by Czochralski technique. Powder X-ray diffraction (XRD) analysis shows that doping does not change the basic structure of LiNbO3 crystal. Optical transmission study shows the blue shift in the cutoff frequency in Mg doped and Mg, Nd codoped LiNbO3 crystals. Five absorption peaks are observed in Nd:Mg:LiNbO3 crystals corresponding to transitions from I-4(9/2) ground state of Nd3+ ions. Crystalline perfection of these crystals examined using high-resolution X-ray diffraction (HRXRD) technique. The Mg, Nd codoped crystals show better crystalline perfection. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：37 / 42
页数：6
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