Dielectric anomalies in Nd3+ doped Ba2NaNb5O15 laser crystal

被引：11

作者：

Torres, M. E. ^{[1
]}

Kaminskii, A. A. ^{[2
]}

Gonzalez-Silgo, C. ^{[3
]}

Platas, J. Gonzalez ^{[3
]}

Jaque, D. ^{[4
]}

Rodenas, A. ^{[4
]}

Martin, I. R. ^{[5
]}

Lavin, V. ^{[5
]}

机构：

[1] Univ La Laguna, Dpto Fis Basica, San Cristobal la Laguna 38204, Spain

[2] Russian Acad Sci, V Shubnikov Inst Crystallog, Moscow 117333, Russia

[3] Univ La Laguna, Dpto Fis Fundamental 2, San Cristobal la Laguna 38204, Spain

[4] Univ Autonoma Madrid, Fac Ciencias, Dpto Fis Mat, E-28049 Madrid, Spain

[5] Univ La Laguna, Dpto Fis Fundamental & Expt Elect & Sist, San Cristobal la Laguna 38204, Spain

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 451卷 / 1-2期

关键词：

nonlinear ferroelectric crystal; BNN; Nd3+; laser; BARIUM SODIUM NIOBATE; TRANSITION;

D O I：

10.1016/j.jallcom.2007.04.176

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：

In the present study we analyze the thermal and dielectric behavior from 292 to 930 K of BNN doped with Nd3+ (1 at.%). The crystal was grown by the Czochralski method along the tetragonal axis. The complicated dielectric permittivity epsilon'(r) behavior, which depends on the cooling or heating process, was compared with the pure crystal. Two unexpected epsilon'(r) anomalies were detected around 318 and 847 K while the remaining transitions are in good agreement with the thermal expansion measurements. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：198 / 200

页数：3

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