Hybrid stockbarger zone-leveling melting method for directed crystallization and growth of single crystals of lead magnesium niobate-lead titanate (PMN-PT) solid solutions and related piezocrystals
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United States of America Patent
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Sep 13, 2005
Grant Date -
Sep 4, 2003
app pub date -
Nov 4, 2002
filing date -
Nov 2, 2001
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Abstract
This invention provides a hybrid Stockbarger zone-leveling melting method for seeded crystallization and the manufacture of homogenous large-sized crystals of lead magnesium niobate-lead titanate (PMN-PT) based solid solutions and related piezocrystals. The invention provides three temperature zones resulting in increased compositional homogeneity and speed of crystal growth, in a cost effective multi-crucible configuration.
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