The erbium׳s amphoteric behavior effects on sodium bismuth titanate properties
Source abstract
Abstract
The effects of erbium doping on lead-free ferroelectric Na0.5Bi0.5TiO3 ceramics are investigated. The scanning electron microscopy shows a highly dense grain structure for all specimens. A pure perovskite structure was observed by X-ray diffraction for all compositions. However, Raman spectroscopy investigations suggest that Er3+ doping is associated with local structural disorder. Doping with Er3+ ions also leads to photoluminescence effect. The depolarization temperature in the dielectric measurement vanishes gradually as the Er3+ amount increases. The ferroelectric properties display a slight decrease in coercive field for the x=0.01 composition.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Microwave Dielectric Ceramics Synthesis · Acoustic Wave Resonator Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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