Effect of gadolinium (Gd3+) addition on the monophased field and crystal growth of Ba2NaNb5O15 (BNN)

K. Lebbou; H. Itagaki; A. Yoshikawa; T. Fukuda; G. Boulon; A. Brenier

doi:10.1016/S0022-0248(01)00594-2

Effect of gadolinium (Gd³⁺) addition on the monophased field and crystal growth of Ba₂NaNb₅O₁₅ (BNN)

K. Lebbou, H. Itagaki, A. Yoshikawa, T. Fukuda, G. Boulon, A. Brenier

IMR - Materials Design Division

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Ba₂Na_1-3xGd_xNb₅O₁₅ compounds with (0.02≤x≤0.2) have been prepared. The limit of the monophased composition field was determined as a function of Gd substitution. The effect of Gd on barium sodium niobate (BNN) was examined by X-ray powder diffraction at room temperature as a function of temperature. The melt behavior was studied by DTA. The homogeneity of single-crystal fibers doped with Gd and grown by micro-pulling down technique was investigated by EPMA. No cracks or other inhomogeneities could be detected, as already shown for Yb- and Nd-doped BNN. In this study, Gd addition was effective for growth of bulk crystals by Czochralski technique.

Original language	English
Pages (from-to)	59-66
Number of pages	8
Journal	Journal of Crystal Growth
Volume	224
Issue number	1-2
DOIs	https://doi.org/10.1016/S0022-0248(01)00594-2
Publication status	Published - 2001 Apr

Keywords

A2. Growth from melt
A2. Single crystal growth
B1. Tungsten bronzes
B2. Nonlinear optic materials

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10.1016/S0022-0248(01)00594-2

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title = "Effect of gadolinium (Gd3+) addition on the monophased field and crystal growth of Ba2NaNb5O15 (BNN)",

abstract = "Ba2Na1-3xGdxNb5O15 compounds with (0.02≤x≤0.2) have been prepared. The limit of the monophased composition field was determined as a function of Gd substitution. The effect of Gd on barium sodium niobate (BNN) was examined by X-ray powder diffraction at room temperature as a function of temperature. The melt behavior was studied by DTA. The homogeneity of single-crystal fibers doped with Gd and grown by micro-pulling down technique was investigated by EPMA. No cracks or other inhomogeneities could be detected, as already shown for Yb- and Nd-doped BNN. In this study, Gd addition was effective for growth of bulk crystals by Czochralski technique.",

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author = "K. Lebbou and H. Itagaki and A. Yoshikawa and T. Fukuda and G. Boulon and A. Brenier",

year = "2001",

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doi = "10.1016/S0022-0248(01)00594-2",

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T1 - Effect of gadolinium (Gd3+) addition on the monophased field and crystal growth of Ba2NaNb5O15 (BNN)

AU - Lebbou, K.

AU - Itagaki, H.

AU - Yoshikawa, A.

AU - Fukuda, T.

AU - Boulon, G.

AU - Brenier, A.

PY - 2001/4

Y1 - 2001/4

N2 - Ba2Na1-3xGdxNb5O15 compounds with (0.02≤x≤0.2) have been prepared. The limit of the monophased composition field was determined as a function of Gd substitution. The effect of Gd on barium sodium niobate (BNN) was examined by X-ray powder diffraction at room temperature as a function of temperature. The melt behavior was studied by DTA. The homogeneity of single-crystal fibers doped with Gd and grown by micro-pulling down technique was investigated by EPMA. No cracks or other inhomogeneities could be detected, as already shown for Yb- and Nd-doped BNN. In this study, Gd addition was effective for growth of bulk crystals by Czochralski technique.

AB - Ba2Na1-3xGdxNb5O15 compounds with (0.02≤x≤0.2) have been prepared. The limit of the monophased composition field was determined as a function of Gd substitution. The effect of Gd on barium sodium niobate (BNN) was examined by X-ray powder diffraction at room temperature as a function of temperature. The melt behavior was studied by DTA. The homogeneity of single-crystal fibers doped with Gd and grown by micro-pulling down technique was investigated by EPMA. No cracks or other inhomogeneities could be detected, as already shown for Yb- and Nd-doped BNN. In this study, Gd addition was effective for growth of bulk crystals by Czochralski technique.

KW - A2. Growth from melt

KW - A2. Single crystal growth

KW - B1. Tungsten bronzes

KW - B2. Nonlinear optic materials

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ER -

Effect of gadolinium (Gd³⁺) addition on the monophased field and crystal growth of Ba₂NaNb₅O₁₅ (BNN)

Abstract

Keywords

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