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Published in: Journal of Nanoparticle Research 2/2020

01-01-2020 | Research Paper

Structural and frequency-dependent dielectric properties of (SnO2)1−x(Fe2O3)x

Authors: S.A. Saleh, I.A. Abdel-Latif, A.M. Abdel Hakeem, E.M.M. Ibrahim

Published in: Journal of Nanoparticle Research | Issue 2/2020

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Abstract

A series of iron-substituted tin dioxide ceramics with composition Snx−1FexO2 was synthesized using a conventional solid-state method in order to investigate its detailed structural and dielectric properties. Samples formed in the tetragonal structure with grain sizes of around 88–48 nm. Reduction in grain size was found because of the suppression in the grain growth with Fe addition. From FTIR analysis, a broad peak was centered on 650 cm−1 due to Sn–O vibration. Many Raman-active phonon modes observed for as prepared samples. The Fe substitution in SnO2 essentially changes the position of modes, where all the modes shifted to a lower wave number. For all the samples, frequency-dependent dielectric and AC conductivity measurements collected at room temperature and in the frequency range from 75 kHz to 10 MHz. In this frequency range, large dielectric dispersion was noted. According to our analysis of electrical properties of the samples under study, it is found that the conduction mechanism in these materials is based only on a small polaron.

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Appendix
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Literature
go back to reference Abdel-Latif IA, Saleh SA (2012) Effect of iron doping on the physical properties of europium manganites. J Alloys Compd 530:116–120CrossRef Abdel-Latif IA, Saleh SA (2012) Effect of iron doping on the physical properties of europium manganites. J Alloys Compd 530:116–120CrossRef
go back to reference Ahmad N, Khan S, Ansari MMN (2018) Microstructural, optical and electrical transport properties of Cd-doped SnO2 nanoparticles. Mater Res Express 5(3):035045CrossRef Ahmad N, Khan S, Ansari MMN (2018) Microstructural, optical and electrical transport properties of Cd-doped SnO2 nanoparticles. Mater Res Express 5(3):035045CrossRef
go back to reference Nalwa HS (2000) Handbook of nanostructured materials and nanotechnology. Elsevier Inc, Academic, USA Nalwa HS (2000) Handbook of nanostructured materials and nanotechnology. Elsevier Inc, Academic, USA
Metadata
Title
Structural and frequency-dependent dielectric properties of (SnO2)1−x(Fe2O3)x
Authors
S.A. Saleh
I.A. Abdel-Latif
A.M. Abdel Hakeem
E.M.M. Ibrahim
Publication date
01-01-2020
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 2/2020
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-020-4763-3

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