Ferroelectric ceramics are a technologically important class of materials that are currently
exploited in actuators, sensors, transducers, and memory devices. The introduction of …

PZT aerogels are prepared by sol-gel processing and subsequent supercritical drying. After
sintering of the highly porous and uncalcined green body for up to 16 h in the temperature …

Crack‐free monolithic lead titanate (PbTiO3, or PT) aerogels were prepared via a sol‐gel
process and drying in supercritical carbon dioxide. The material was characterized by …

Efforts to improve the properties and reliability of piezoelectric materials have often
concentrated on processing dense ceramic material by techniques such as fine particle size …

Stoichiometric lead zirconate titanate (PbZr0. 53Ti0. 47O3, PZT) alkogels were prepared by
a sol–gel technique. Drying under ambient conditions yielded xerogels while solvent …

For ultrasonic applications in gases porous piezoelectric transducers with low acoustic
impedances are required. Highly porous piezoceramics can be prepared by sol-gel …

Porous piezoelectric ceramics have been prepared by mixing lead zirconate titanate (PZT)
powder with fine particle organic additives. After mixing, the powder was cold pressed to …

The demand for piezoelectric systems with improved performance has lead to the
development of piezocomposite materials, which consist of an active piezoelectric ceramic …