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Nonaqueous solution synthesis process for preparing oxide powders of lead zirconate titanate and related materials

Patent ·
OSTI ID:872312
 [1];  [2];  [2];  [3]
  1. Corrales, NM
  2. Albuquerque, NM
  3. Woodbury, MN
+ Show Author Affiliations

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.

Research Organization:
SANDIA CORP
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
US 5908802
OSTI ID:
872312
Country of Publication:
United States
Language:
English

References (3)

Structural Investigations of Prehydrolyzed Precursors Used in the Sol-Gel Processing of Lead Titanate journal August 1990
Recent improvements in the optical and electrooptic properties of plzt ceramics journal February 1972
Recent Improvements in the Optical and Electrooptic Properties of PLZT Ceramics journal April 1972

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Related Subjects

/501/252/423/
acetate
acetate solution
acid
adding
alkoxide
alkoxide solution
applications
aqueous solution
calcining
compounds
comprises
comprises mixing
easily
electronic
electronic applications
ferroelectric
filterable
fine
form
free-flowing
homogeneous
lead
lead zirconate
materials
metal
metal alkoxide
mixing
n-propanol
nonaqueous
nonaqueous solution
oxalic
oxalic acid
oxide
oxide powder
oxide powders
oxide solution
particularly
particularly useful
perovskite-phase
perovskite-type
powder
powders
precursor
precursor powder
preparing
process
process provides
producing
properties
provides
related
related materials
solution
solution synthesis
synthesis
synthesis process
titanate
useful
variety
zirconate
zirconate titanate