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Title: Structural and frequency dependent dielectric properties of 0.90PMN-0.10PT ferroelectrics at room temperature
Authors: Kashyap, Sidharth
Bhatt, S C
Uniyal, Manish
Kathait, Gambheer Singh
Kashyap, Savita
Keywords: Perovskite;Pyrochlore phase;Grain boundaries;Dielectric constant;Tangent loss
Issue Date: Sep-2020
Publisher: NISCAIR-CSIR, India
Abstract: In the present study, the composition of (1-x)PMN-(x)PT for X=0.10 binary solid solution was synthesized by double step columbite precursor method with multiple heat treatments at different temperatures. XRD analysis shows the single perovskite phase with minimized pyrochlore phase. The intense peaks of XRD pattern indicates the perovskite phase of composition. It was observed that the pyrochlore phase in the material can be reduced by increase in sintering temperature and proper stoichiometry. SEM micrograph shows the polygonal, dense and compact grain boundaries. Room temperature frequency dependent nature of Dielectric constant and tangent loss of prepared composition was also measured.
Page(s): 188-192
ISSN: 2581-8198 (Online)
Appears in Collections:AIR Vol.02(3) [September 2020]

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