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<strong>Induction of electro-activity in polyvinyl alcohol with addition of nanocrystalline PZT ceramic</strong>

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Title Statement <strong>Induction of electro-activity in polyvinyl alcohol with addition of nanocrystalline PZT ceramic</strong>
 
Added Entry - Uncontrolled Name Uma, S ; Sophisticated Test and Instrumentation Center Cochin University of Science and Technology' Cochin 682 022
Philip, Jacob ; Sophisticated Test & Instrumentation Centre, Cochin University of Science and Technology, Cochin 682 022
Department of Science and Technology, Govt. of India
 
Uncontrolled Index Term Condensed matter; Structural, Thermal, Mechanical properties
Polymer-ceramic nanocomposite, Polyvinyl alcohol (PVA), Nanocrystalline PZT, Pyroelectric coefficient, Pyroelectric figures of merit
 
Summary, etc. Flexible polymer-ceramic nanocomposites with electro-activity have been prepared by dispersing lead zirconate titanate (PZT) nanoparticles in polyvinyl alcohol (PVA). Thick films of the composites, with volume fractions of nano PZT ranging from 0 to 3 wt&amp;nbsp;%, are cast for experimentation. Their structural, dielectric, thermal and pyroelectric properties are measured and compared with those of pure PVA. It is found that pyroelectricity can be induced into PVA with addition of nanocrystalline PZT ceramic, with pyroelectric coefficient increasing with the concentration of PZT. The Shore hardness of the samples has been measured by indentation technique, and is found to increase with PZT addition. The relevant pyroelectric figures of merit have been estimated, which also increase with PZT addition. Since the flexibility of the composite decreases with hardness, enhancement in pyroelectric figures of merit is at the expense of flexibility and formability. The results presented in this work offer possibility to design material with optimum property for applications requiring moldable pyroelectric detectors.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2016-06-10 12:52:15
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/961
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 51, ##issue.no## 10 (2013): Indian Journal of Pure & Applied Physics
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJPAP/article/download/961/3938
http://op.niscair.res.in/index.php/IJPAP/article/download/961/3939
http://op.niscair.res.in/index.php/IJPAP/article/download/961/3940
 
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