Dielectric, electrical and nonlinear optical properties of KTiOPO4:La3+

被引：8
|
作者：
Sadhasivam, S. [1 ]
Rajesh, Narayana Perumal [1 ]
Ramasamy, P. [1 ]
机构：
[1] SSN Coll Engn, Dept Phys, Kalavakkam 603110, Tamil Nadu, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 594卷
关键词：
Optical materials; Crystal growth; Dielectric response; Optical properties; Ferroelectrics; X-ray diffraction; SINGLE-CRYSTALS; 2ND-HARMONIC GENERATION; FERROELECTRIC DOMAINS; IONIC-CONDUCTIVITY; KTP CRYSTALS; WAVE-GUIDES; GROWTH; DAMAGE; RBTIOPO4; DEFECTS;
D O I：
10.1016/j.jallcom.2014.01.005
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Lanthanum doped KTP crystal was grown using high temperature top seeded solution growth technique. The 0.08 wt.% of La3+ doping was confirmed by the EDAX analysis. Structural and variation of lattice parameters by doping were investigated by X-ray diffraction. The ferroelectric hysteresis loop was traced in polar axis of grown crystal. Static high frequency dielectric permittivity, suppressed electrical conductivity, low loss tangent, increase of resistivity and modulus properties were studied for lanthanum doped KTP crystal by broad band dielectric spectroscopy. Desirable low ionic conductivity was found as 4 x 10(-7) Omega(-1) cm(-1) in about 40 kHz frequencies. (C) 2014 Elsevier B. V. All rights reserved.
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页码：39 / 43
页数：5
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