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Issue 103, 2016
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Dielectric characteristics of Fe-doped LaTiO3+δ and visible light modulation

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Abstract

Fe-doped La1−xFexTiO3+δ (x = 0.05, 0.1, and 0.3, 0.4) ceramic samples are prepared via a traditional solid-state reaction route. The low temperature (77 K ≤ T ≤ 360 K) dielectric properties of the samples have been systematically investigated in the frequency range from 100 Hz to 1 MHz. It is clearly observed that extraordinarily high low-frequency dielectric constants appear at room temperature in La0.6Fe0.4TiO3+δ, which is ∼1000 times larger than that of La0.95Fe0.05TiO3+δ. Interestingly, the dielectric characteristics of the samples have obvious light dependence at room temperature within the measured frequency range. The results have demonstrated that visible light improves the dielectric properties of the ceramics by means of IV and complex impedance analysis.

Graphical abstract: Dielectric characteristics of Fe-doped LaTiO3+δ and visible light modulation

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Publication details

The article was received on 04 Sep 2016, accepted on 17 Oct 2016 and first published on 19 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA22168H
Citation: RSC Adv., 2016,6, 101571-101577
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    Dielectric characteristics of Fe-doped LaTiO3+δ and visible light modulation

    Y. Chen, Y. Cui and J. Yao, RSC Adv., 2016, 6, 101571
    DOI: 10.1039/C6RA22168H

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