Ferroelectric Lead Metaniobate and its Solid Solutions: Solid State Synthesis and Characterization

Orthorhombic Lead metaniobate (PbNb2O6) exhibits ferroelectric properties and has a Curie temperature, TC of 570 degrees C. This work reports on investigations made on ferroelectric Lead metaniobate, (PN) and its solid solutions with bismuth and titanium Pb(1-X)BiX(Nb(1-X/2)TiX/2)(2)O-6, (PBTN), bismuth and sodium Pb(1-X)BiX/2NaX/2Nb2O6, (PBNN), bismuth and potassium Pb(1-X)BiX/2KX/2Nb2O6,(PBKN), and calcium and titanium (1-x)PbNb2O6-xCaTiO(2), (PCTN). The ferroelectric polymorph was obtained for all the solid solutions without quenching, and the optimized sintering temperature was reduced with increasing substitution level except in the system PCTN. The lattice parameters of the solid solutions were found to systematically vary with composition. Curie temperature was reduced with increasing substitution level in all the series. Piezoelectric charge constant d33 increases with composition of the solid solutions.


Published in:
2012 International Symposium On Applications Of Ferroelectrics Held Jointly With 11Th Ieee Ecapd And Ieee Pfm (Isaf/Ecapd/Pfm)
Presented at:
21st IEEE International Symposium on Applications of Ferroelectrics held jointly with 11th European Conference on the Applications of Polar Dielectrics and 4th Conference on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials, Aveiro, PORTUGAL, JUL 09-13, 2012
Year:
2012
Publisher:
New York, Ieee
ISSN:
1099-4734
ISBN:
978-1-4673-2669-8
Keywords:
Laboratories:




 Record created 2013-03-28, last modified 2018-03-17


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