Structural and electrical properties of Mn-doped Na0.5Bi0.5TiO3lead-free single crystal

Y. Chen; Kwok Ho Lam; D. Zhou; Jiyan Dai; H. S. Luo; X. P. Jiang; H. L.W. Chan

doi:10.1080/10584587.2013.780141

Structural and electrical properties of Mn-doped Na_0.5Bi_0.5TiO₃lead-free single crystal

Y. Chen, Kwok Ho Lam, D. Zhou, Jiyan Dai, H. S. Luo, X. P. Jiang, H. L.W. Chan

Research output: Journal article publication › Conference article › Academic research › peer-review

16 Citations (Scopus)

Abstract

The electrical properties and Raman spectroscopy of [001]-oriented pure lead-free Na0.5Bi0.5TiO3(NBT) and manganese-doped NBT single crystals have been investigated. With the effect of Mn-doping, the remnant polarization Prhas a great enhancement from 15.2 μC/cm2to 30.0 μC/cm2, and the pyroelectric coefficient is improved significantly from 178 μC/m2K to 241 μC/m2K. The Mn-doping has further altered the domain structure of the crystals, as revealed by piezoresponse force microscopy study. The Raman studies suggest that the substitution effect of Mn ions on B-site cations of the perovskite structure results in enhancement of the performance of the Mn-doped NBT single crystals.

Original language	English
Pages (from-to)	120-127
Number of pages	8
Journal	Integrated Ferroelectrics
Volume	141
Issue number	1
DOIs	https://doi.org/10.1080/10584587.2013.780141
Publication status	Published - 12 Jun 2013
Event	International Symposium on Integrated Functionalities, ISIF 2012 - Hong Kong, Hong Kong Duration: 18 Jun 2012 → 21 Jun 2012

Keywords

Electric property
Lead-free single crystal
MnO-doping
Raman spectra

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Control and Systems Engineering
Ceramics and Composites
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

More information

10.1080/10584587.2013.780141

Cite this

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title = "Structural and electrical properties of Mn-doped Na0.5Bi0.5TiO3lead-free single crystal",

abstract = "The electrical properties and Raman spectroscopy of [001]-oriented pure lead-free Na0.5Bi0.5TiO3(NBT) and manganese-doped NBT single crystals have been investigated. With the effect of Mn-doping, the remnant polarization Prhas a great enhancement from 15.2 μC/cm2to 30.0 μC/cm2, and the pyroelectric coefficient is improved significantly from 178 μC/m2K to 241 μC/m2K. The Mn-doping has further altered the domain structure of the crystals, as revealed by piezoresponse force microscopy study. The Raman studies suggest that the substitution effect of Mn ions on B-site cations of the perovskite structure results in enhancement of the performance of the Mn-doped NBT single crystals.",

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T1 - Structural and electrical properties of Mn-doped Na0.5Bi0.5TiO3lead-free single crystal

AU - Chen, Y.

AU - Lam, Kwok Ho

AU - Zhou, D.

AU - Dai, Jiyan

AU - Luo, H. S.

AU - Jiang, X. P.

AU - Chan, H. L.W.

PY - 2013/6/12

Y1 - 2013/6/12

N2 - The electrical properties and Raman spectroscopy of [001]-oriented pure lead-free Na0.5Bi0.5TiO3(NBT) and manganese-doped NBT single crystals have been investigated. With the effect of Mn-doping, the remnant polarization Prhas a great enhancement from 15.2 μC/cm2to 30.0 μC/cm2, and the pyroelectric coefficient is improved significantly from 178 μC/m2K to 241 μC/m2K. The Mn-doping has further altered the domain structure of the crystals, as revealed by piezoresponse force microscopy study. The Raman studies suggest that the substitution effect of Mn ions on B-site cations of the perovskite structure results in enhancement of the performance of the Mn-doped NBT single crystals.

AB - The electrical properties and Raman spectroscopy of [001]-oriented pure lead-free Na0.5Bi0.5TiO3(NBT) and manganese-doped NBT single crystals have been investigated. With the effect of Mn-doping, the remnant polarization Prhas a great enhancement from 15.2 μC/cm2to 30.0 μC/cm2, and the pyroelectric coefficient is improved significantly from 178 μC/m2K to 241 μC/m2K. The Mn-doping has further altered the domain structure of the crystals, as revealed by piezoresponse force microscopy study. The Raman studies suggest that the substitution effect of Mn ions on B-site cations of the perovskite structure results in enhancement of the performance of the Mn-doped NBT single crystals.

KW - Electric property

KW - Lead-free single crystal

KW - MnO-doping

KW - Raman spectra

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