Abstract
Ho-modified NBT-BT ferroelectric ceramics were synthesized by a conventional solid state reaction. The changes in crystal structure and identification of functional groups in the prepared ceramics were studied by XRD and Raman studies. T-dependent dielectric study reveals a diffuse dielectric phase transitions were observed in the intervals of 200– A thermal stable dielectric constant was noted in long temperature intervals, with increases Ho-concentration. The polarization study indicates the deviation of loop shape from nearly square loop into slanted slim loop with Ho dopant. These observations indicate, NBHT-BT ceramics opens for energy harvesting and thermally stable dielectric materials applications.
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