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Integrated Ferroelectrics
An International Journal
Volume 203, 2019 - Issue 1: Proceedings of the International Conference on Nano-Structured Materials and Devices (ICNSMD-2018): Part II of IV
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Section C: Electrical Properties

Electrical and Optical Properties of Yttrium Titanate Thin Films Synthesized by Sol-Gel Technique

Apurba MahapatraDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, India
,
S. SubudhiDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, India
,
Sujata SwainDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, India
,
R. SahuDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, India
,
R. R. NegiDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, India
,
B. SamantaDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, India
&
Pawan KumarDepartment of Physics and Astronomy, National Institute of Technology Rourkela, Rourkela, IndiaCorrespondence[email protected]
 show all
Pages 43-51 | Received 01 Oct 2018, Accepted 12 Aug 2019, Published online: 31 Dec 2019
 
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Abstract

Yttrium titanate (Y2Ti2O7) thin films, having pyrochlore-type structure, were synthesized in single phase by sol-gel synthesis technique. Single-phase formation was confirmed by X-ray diffraction (XRD) study. Surface morphology of thin films was studied by using FESEM and average grain size was found to be in nanometer range. Retention of stoichiometry in thin films was confirmed by EDX analysis. Optical property of Y2Ti2O7 thin films was studied with the help of UV-Vis spectrometer and the energy band gap was found to be ∼3.5 eV. Dielectric properties of thin films are also studied and discussed in details.

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