CHAMINADE, Jean-Pierre; VIRAPHONG, Oudomsack; MIYAZAWA, S.

doi:10.1016/S0022-0248(01)02029-2

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CHAMINADE, Jean-Pierre
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

VIRAPHONG, Oudomsack
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

MIYAZAWA, S.
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of Crystal Growth. 2002, vol. 237-239, n° 1, p. 864-868

Elsevier

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Experimental observations on spiralgrowth phenomena in the Cz-growth of Li6Gd(BO3)3 single crystals are described. With careful observations at the meniscus part during the pulling, we found that the faceting formation is closely correlated with a "dog-leg" footing in combination with unsteady melt convection modes. It is assumed that one of predominant origin of the so-called spiralgrowth should be the faceting inclined against the pulling axis at the meniscus part of the solid-liquid interface. Several origins reported so far are also discussed.< Leer menos

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Convection

Morphological stability

Czochralski method

Borates

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One possible mechanism of spiral/footing growth of Cz-grown Li6Gd(BO3)3

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