Nonaqueous solution synthesis process for preparing oxide powders of lead zirconate titanate and related materials
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United States of America Patent
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Jun 1, 1999
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Oct 30, 1997
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Oct 30, 1997
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Abstract
A process for producing powders of perovskite-type compounds which comprises mixing a metal alkoxide solution with a lead acetate solution to form a homogeneous, clear metal solution, adding an oxalic acid/n-propanol solution to this metal solution to form an easily filterable, free-flowing precursor powder and then calcining this powder. This process provides fine perovskite-phase powders with ferroelectric properties which are particularly useful in a variety of electronic applications.
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