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Journal of Sol-Gel Science and Technology

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14-03-2018 | Original Paper: Sol-gel and hybrid materials for dielectric, electronic, magnetic and ferroelectric applications

Sol-gel synthesis of ZnO/Zn_2-xFe_xTiO₄ powders: structural properties, electrical conductivity and dielectric behavior

Authors: Izabella Dascalu, Cristian Hornoiu, Jose Maria Calderon-Moreno, Madalin Enache, Daniela Culita, Simona Somacescu

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2018

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Abstract

The aim of this work was an investigation of structural and electrical properties of ZnO/Zn_2-xFe_xTiO₄ (x = 0.7, 1, 1.4) powders. The compounds obtained by sol-gel method are characterized by several techniques: X-ray diffraction (XRD), N₂ adsorption–desorption isotherms, scanning and transmission electron microscopy (SEM and TEM), X-ray photoelectron spectroscopy (XPS), electrical and dielectrical measurements. The XRD, SEM and XPS analysis confirmed the formation of ZnFeTiO₄ inverse spinel structure. The electrical and dielectrical properties of ZnO/Zn_2-xFe_xTiO₄ (x = 0.7, 1, 1.4) were measured by impedance spectroscopy, revealing a decrease in the electrical conductivity and the dielectric constant with Fe content.

previous article Structural, electrical, and optical properties of sol-gel-derived zirconium-doped barium titanate thin films on transparent conductive substrates

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Title: Sol-gel synthesis of ZnO/Zn2-xFexTiO4 powders: structural properties, electrical conductivity and dielectric behavior
Authors: Izabella Dascalu
Cristian Hornoiu
Jose Maria Calderon-Moreno
Madalin Enache
Daniela Culita
Simona Somacescu
Publication date: 14-03-2018
Publisher: Springer US
Published in: Journal of Sol-Gel Science and Technology / Issue 1/2018
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI: https://doi.org/10.1007/s10971-018-4623-0

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