نتایج جستجو برای: lead zirconate
تعداد نتایج: 339670 فیلتر نتایج به سال:
Abstract Lead zirconate (PbZrO 3 ) is considered the prototypical antiferroelectric material with an antipolar ground state. Yet, several experimental and theoretical works hint at a partially polar behaviour in this compound, indicating that polarization may not be completely compensated. In work, we propose simple ferrielectric structure for lead zirconate. First-principles calculations revea...
The development of lead-free perovskite piezoelectrics as environmentally compatible alternatives to lead zirconate titanate (PZT) has received significant attention recently. Two main categories of lead free perovskite piezoelectric ceramic systems were investigated as potential replacements to lead zirconate titantate (PZT) for actuator devices. First, solid solutions based on Li, Ta, and Sb ...
Piezoelectric principles are widely used to harvest energy in the process of vibrating piezoelectric mass. Different design configurations were studied in the research papers listed. A novel dynamic method of Lead Zirconate Titanate Sensor (PZT) to obtain d33 suitable for the MEMS applications is designed, simulated and analysed results were compared with the fabricated sensor. The Lead Zircona...
It has been found that some shapes of lead zirconate titanate (PZT) ceramics respond to rapid temperature fluctuations when mounted in a particular geometrical configuration. This effect is presumably caused by thermal stresses in the crystal which produce a voltage difference across the silvered surfaces. These units were originally constructed to serve as pressure transducers in a lowpressure...
Ž . Ž . The microstereolithography mSL of lead zirconate titanate PZT thick films on platinum-buffered silicon substrates is reported for Ž . the first time in this paper. Crack-free PZT thick films 80–130 mm thick have been fabricated by laser direct-write UV polymerization from the HDDA-based UV curable PZT suspensions. The characterization of the fired films shows dielectric permittivities o...
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