Dielectric anomalies in Nd3+ doped Ba2NaNb5O15 laser crystal

被引：0

作者：

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

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

González-Silgo, C. ^{[3
]}

Platas, J. González ^{[3
]}

Jaque, D. ^{[4
]}

Ródenas, A. ^{[4
]}

Martín, I.R. ^{[5
]}

Lavín, V. ^{[5
]}

机构：

[1] Dpto. Física Básica, Universidad de La Laguna, Avda. Astrofisico Fco. Sanchez s/n La Laguna, 38204, Spain

[2] V. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Moscow, 117333, Russia

[3] Dpto. Física Fundamental II, Universidad de La Laguna, Avda. Astrofisico Fco. Sanchez s/n La Laguna, 38204, Spain

[4] Dpto. Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, 28049, Spain

[5] Dpto. Física Fundamental y Experimental, Electrónica y Sistemas, Universidad de La Laguna, Avda. Astrofisico Fco. Sanchez s/n La Laguna, 38204, Spain

来源：

Journal of Alloys and Compounds | 1600年 / 451卷 / 1-2期

关键词：

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 Ε{lunate}′r behavior; which depends on the cooling or heating process; was compared with the pure crystal. Two unexpected Ε{lunate}′r anomalies were detected around 318 and 847 K while the remaining transitions are in good agreement with the thermal expansion measurements. © 2007 Elsevier B.V. All rights reserved;

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页码：198 / 200

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