Large electrocaloric strength in the (100)-oriented relaxor ferroelectric Pb[(Ni1/3Nb2/3)0.6Ti0.4]O3 single crystal at near morphotropic phase boundary

Biaolin Peng; Qi Zhang; Shanming Ke; Tao Li; Hanben Niu; Xierong Zeng; Huiqing Fan; Haitao Huang

doi:10.1016/j.ceramint.2015.03.285

Large electrocaloric strength in the (100)-oriented relaxor ferroelectric Pb[(Ni_1/3Nb_2/3)_0.6Ti_0.4]O₃ single crystal at near morphotropic phase boundary

Biaolin Peng, Qi Zhang, Shanming Ke, Tao Li, Hanben Niu, Xierong Zeng, Huiqing Fan, Haitao Huang

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

17 Citations (Scopus)

Abstract

Abstract Relaxor ferroelectric Pb[(Ni_1/3Nb_2/3)_0.6Ti_0.4]O₃ (PNNT) single crystal with composition close to the morphotropic phase boundary (MPB) was successfully prepared using the molten salt method. The analysis results of XRD and TEM indicated that the as-grown crystal is of almost pure perovskite phase with coexistence of tetragonal and rhombohedral. Typical relaxor behavior was observed when the crystal was aged. Large electrocaloric strength (ΔT/ΔE) of 44.97 mK cm/kV was obtained near the phase transition temperature of paraelectric to ferroelectric, indicating that PNNT is a promising material for application in cooling system. Moreover, it is found that the aging of point defects may make an important contribution to the electrocaloric performance of the single crystal, in addition to the contribution of the transition of phases induced by the electric field.

Original language	English
Article number	10364
Pages (from-to)	9344-9349
Number of pages	6
Journal	Ceramics International
Volume	41
Issue number	8
DOIs	https://doi.org/10.1016/j.ceramint.2015.03.285
Publication status	Published - 1 Jan 2015

Keywords

Electrocaloric strength
MPB
PNNT single crystal
Relaxor ferroelectric

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

More information

10.1016/j.ceramint.2015.03.285

Cite this

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title = "Large electrocaloric strength in the (100)-oriented relaxor ferroelectric Pb[(Ni1/3Nb2/3)0.6Ti0.4]O3 single crystal at near morphotropic phase boundary",

abstract = "Abstract Relaxor ferroelectric Pb[(Ni1/3Nb2/3)0.6Ti0.4]O3 (PNNT) single crystal with composition close to the morphotropic phase boundary (MPB) was successfully prepared using the molten salt method. The analysis results of XRD and TEM indicated that the as-grown crystal is of almost pure perovskite phase with coexistence of tetragonal and rhombohedral. Typical relaxor behavior was observed when the crystal was aged. Large electrocaloric strength (ΔT/ΔE) of 44.97 mK cm/kV was obtained near the phase transition temperature of paraelectric to ferroelectric, indicating that PNNT is a promising material for application in cooling system. Moreover, it is found that the aging of point defects may make an important contribution to the electrocaloric performance of the single crystal, in addition to the contribution of the transition of phases induced by the electric field.",

keywords = "Electrocaloric strength, MPB, PNNT single crystal, Relaxor ferroelectric",

author = "Biaolin Peng and Qi Zhang and Shanming Ke and Tao Li and Hanben Niu and Xierong Zeng and Huiqing Fan and Haitao Huang",

year = "2015",

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language = "English",

volume = "41",

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journal = "Ceramics International",

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Large electrocaloric strength in the (100)-oriented relaxor ferroelectric Pb[(Ni_1/3Nb_2/3)_0.6Ti_0.4]O₃ single crystal at near morphotropic phase boundary. / Peng, Biaolin; Zhang, Qi; Ke, Shanming et al.

In: Ceramics International, Vol. 41, No. 8, 10364, 01.01.2015, p. 9344-9349.

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

TY - JOUR

T1 - Large electrocaloric strength in the (100)-oriented relaxor ferroelectric Pb[(Ni1/3Nb2/3)0.6Ti0.4]O3 single crystal at near morphotropic phase boundary

AU - Peng, Biaolin

AU - Zhang, Qi

AU - Ke, Shanming

AU - Li, Tao

AU - Niu, Hanben

AU - Zeng, Xierong

AU - Fan, Huiqing

AU - Huang, Haitao

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Abstract Relaxor ferroelectric Pb[(Ni1/3Nb2/3)0.6Ti0.4]O3 (PNNT) single crystal with composition close to the morphotropic phase boundary (MPB) was successfully prepared using the molten salt method. The analysis results of XRD and TEM indicated that the as-grown crystal is of almost pure perovskite phase with coexistence of tetragonal and rhombohedral. Typical relaxor behavior was observed when the crystal was aged. Large electrocaloric strength (ΔT/ΔE) of 44.97 mK cm/kV was obtained near the phase transition temperature of paraelectric to ferroelectric, indicating that PNNT is a promising material for application in cooling system. Moreover, it is found that the aging of point defects may make an important contribution to the electrocaloric performance of the single crystal, in addition to the contribution of the transition of phases induced by the electric field.

AB - Abstract Relaxor ferroelectric Pb[(Ni1/3Nb2/3)0.6Ti0.4]O3 (PNNT) single crystal with composition close to the morphotropic phase boundary (MPB) was successfully prepared using the molten salt method. The analysis results of XRD and TEM indicated that the as-grown crystal is of almost pure perovskite phase with coexistence of tetragonal and rhombohedral. Typical relaxor behavior was observed when the crystal was aged. Large electrocaloric strength (ΔT/ΔE) of 44.97 mK cm/kV was obtained near the phase transition temperature of paraelectric to ferroelectric, indicating that PNNT is a promising material for application in cooling system. Moreover, it is found that the aging of point defects may make an important contribution to the electrocaloric performance of the single crystal, in addition to the contribution of the transition of phases induced by the electric field.

KW - Electrocaloric strength

KW - MPB

KW - PNNT single crystal

KW - Relaxor ferroelectric

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