, Volume 11, Issue 9, pp 1583-1592

The congruent melting composition of strontium barium niobate

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Abstract

The congruent melting composition of strontium barium niobate has been investigated over the ternary composition region by DTA, X-ray fluorescence, Curie temperature and lattice parameter measurements. The composition of congruent melt was found to be close tox=0.61,y=0.4993 for the formula (Sr x Ba1−x O)1−y . (Nb2O5) y . Striation-free single crystals are grown from the melt with this composition. The conceivable reasons for the discrepancy between the results of this work and the previous data are briefly discussed.