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Substrate Influence in YBaCuO Melt-Texturing Growth

Published online by Cambridge University Press:  26 February 2011

N. Pellerin ,
M. Gervais  and
P. Odier
N. Pellerin
Affiliation:
Centre de Recherches sur la Physique des Hautes Températures, C. N. R. S., 45071 Orleans Cedex 2, France.
M. Gervais
Affiliation:
Centre de Recherches sur la Physique des Hautes Températures, C. N. R. S., 45071 Orleans Cedex 2, France.
P. Odier
Affiliation:
Centre de Recherches sur la Physique des Hautes Températures, C. N. R. S., 45071 Orleans Cedex 2, France.
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Abstract

Melt-texturing of YBaCuO is generally processed on substrates. Due to its high chemical activity, the non-stoichiometric liquid, mainly due to the barium element, generally reacts with the substrate which is therefore subjected to play a role in the crystallization of YBaCuO and in the development of the texture. The particular case of Y2O3, which is a reacting but non-polluting substrate, is treated in details. The comparison of textured YBaCuO in similar conditions but on different substrates: Al2O3, Y2O3 and MgO gives some insight in the texturing process.

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References

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