Enhanced Dielectric Properties of Ba3znta2-xnbxo9 in Microwave Region Using Tungstic Acid

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Title:	Enhanced Dielectric Properties of Ba3znta2-xnbxo9 in Microwave Region Using Tungstic Acid
Authors:	Tomar, R Bisht, Y Abhilash, P Thirumal, M
Keywords:	Perovskite 1:2 ordering dielectric properties highQ ceramics
Issue Date:	2-Jan-2020
Publisher:	Taylor & Francis
Citation:	Phase Transitions;93(1):175-182
Abstract:	Dielectric resonators belonging to the families of complex perovskiteBa3ZnTa2−xNbxO9were synthesized by a solid-state reaction route.Calcination at 1250°C leads to oxides with ordered (hexagonal)perovskite structure over the range (0.25≤x≤1.75). However, orderingrefraction intensity of PXRD patterns increased on sintering at 1340°Cwith tungstic acid, as a sintering aid. Sintering has lead to >90% density.In microwave range, Ba3ZnTa0.5Nb1.5O9shows much higher permittivity(35) and quality factor (43,120 GHz).
URI:	https://doi.org/10.1080/01411594.2019.1696464 http://localhost:8080/xmlui/handle/123456789/4264
Appears in Collections:	2020

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