Large spontaneous polarization in polar perovskites of PbTiO3-Bi(Zn1/2Ti1/2)O3

Zhao Pan; Xingxing Jiang; Jun Chen; Lei Hu; Hajime Yamamoto; Linxing Zhang; Longlong Fan; Xi'An Fan; Yawei Li; Guangqiang Li; Yang Ren; Zheshuai Lin; Masaki Azuma; Xianran Xing

doi:10.1039/c8qi00184g

Large spontaneous polarization in polar perovskites of PbTiO₃-Bi(Zn_1/2Ti_1/2)O₃

Zhao Pan, Xingxing Jiang, Jun Chen, Lei Hu, Hajime Yamamoto, Linxing Zhang, Longlong Fan, Xi'An Fan, Yawei Li, Guangqiang Li, Yang Ren, Zheshuai Lin, Masaki Azuma, Xianran Xing

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Abstract

PbTiO₃-Bi(Zn_1/2Ti_1/2)O₃ is considered to be a promising high-ferroelectric performance material in the Pb/Bi-based perovskite family. In the present study, a whole set of (1 - x)PbTiO₃-xBi(Zn_1/2Ti_1/2)O₃ (0 ≤ x ≤ 1) solid solutions have been prepared by the conventional solid-state and high-pressure vs. high-temperature methods. The effect of Bi(Zn_1/2Ti_1/2)O₃ on the crystal structure has been investigated by synchrotron X-ray powder diffraction. Unlike most PbTiO₃-based perovskites, the present system exhibits a continuously enhanced tetragonality (c/a) and large spontaneous polarization (P_S) properties. The enhanced c/a is ascribed to the large spontaneous polarization displacements induced by the strong Pb/Bi-O hybridization and coupling interactions between Ti/Zn and Pb/Bi cations, which can be evidenced from the lattice dynamics study and first-principles calculations. Accordingly, the T_C (i.e., x = 0.5) is expected to be approximately 1000 °C if its perovskite structure can be stabilized. The present study provides a route to obtain large-P_S in PbTiO₃-based ferroelectric materials by introducing isostructural perovskites with strong polarity.

Original language	English
Pages (from-to)	1277-1281
Number of pages	5
Journal	Inorganic Chemistry Frontiers
Volume	5
Issue number	6
DOIs	https://doi.org/10.1039/c8qi00184g
Publication status	Published - 2018 Jun
Externally published	Yes

ASJC Scopus subject areas

Inorganic Chemistry

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@article{2c56a719fb1040889f3642c65db772eb,

title = "Large spontaneous polarization in polar perovskites of PbTiO3-Bi(Zn1/2Ti1/2)O3 ",

abstract = "PbTiO3-Bi(Zn1/2Ti1/2)O3 is considered to be a promising high-ferroelectric performance material in the Pb/Bi-based perovskite family. In the present study, a whole set of (1 - x)PbTiO3-xBi(Zn1/2Ti1/2)O3 (0 ≤ x ≤ 1) solid solutions have been prepared by the conventional solid-state and high-pressure vs. high-temperature methods. The effect of Bi(Zn1/2Ti1/2)O3 on the crystal structure has been investigated by synchrotron X-ray powder diffraction. Unlike most PbTiO3-based perovskites, the present system exhibits a continuously enhanced tetragonality (c/a) and large spontaneous polarization (PS) properties. The enhanced c/a is ascribed to the large spontaneous polarization displacements induced by the strong Pb/Bi-O hybridization and coupling interactions between Ti/Zn and Pb/Bi cations, which can be evidenced from the lattice dynamics study and first-principles calculations. Accordingly, the TC (i.e., x = 0.5) is expected to be approximately 1000 °C if its perovskite structure can be stabilized. The present study provides a route to obtain large-PS in PbTiO3-based ferroelectric materials by introducing isostructural perovskites with strong polarity.",

author = "Zhao Pan and Xingxing Jiang and Jun Chen and Lei Hu and Hajime Yamamoto and Linxing Zhang and Longlong Fan and Xi'An Fan and Yawei Li and Guangqiang Li and Yang Ren and Zheshuai Lin and Masaki Azuma and Xianran Xing",

note = "Funding Information: This work was supported by the National Natural Science Foundation of China (Grant No. 21731001 and 21590793), the National Program for Support of Top-notch Young Professionals, the Program for Chang Jiang Young Scholars, the Fundamental Research Funds for the Central Universities, China (FRF-TP-17-001B), and the General Financial Grant from the China Postdoctoral Science Foundation (2017M622536). This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. The room temperature synchrotron radiation experiments were also performed at the BL44B2 beamline of SPring-8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal NO. 2016A1060). Publisher Copyright: {\textcopyright} 2018 the Partner Organisations.",

year = "2018",

month = jun,

doi = "10.1039/c8qi00184g",

language = "English",

volume = "5",

pages = "1277--1281",

journal = "Inorganic Chemistry Frontiers",

issn = "2052-1545",

publisher = "Royal Society of Chemistry",

number = "6",

}

TY - JOUR

T1 - Large spontaneous polarization in polar perovskites of PbTiO3-Bi(Zn1/2Ti1/2)O3

AU - Pan, Zhao

AU - Jiang, Xingxing

AU - Chen, Jun

AU - Hu, Lei

AU - Yamamoto, Hajime

AU - Zhang, Linxing

AU - Fan, Longlong

AU - Fan, Xi'An

AU - Li, Yawei

AU - Li, Guangqiang

AU - Ren, Yang

AU - Lin, Zheshuai

AU - Azuma, Masaki

AU - Xing, Xianran

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China (Grant No. 21731001 and 21590793), the National Program for Support of Top-notch Young Professionals, the Program for Chang Jiang Young Scholars, the Fundamental Research Funds for the Central Universities, China (FRF-TP-17-001B), and the General Financial Grant from the China Postdoctoral Science Foundation (2017M622536). This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. The room temperature synchrotron radiation experiments were also performed at the BL44B2 beamline of SPring-8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal NO. 2016A1060). Publisher Copyright: © 2018 the Partner Organisations.

PY - 2018/6

Y1 - 2018/6

N2 - PbTiO3-Bi(Zn1/2Ti1/2)O3 is considered to be a promising high-ferroelectric performance material in the Pb/Bi-based perovskite family. In the present study, a whole set of (1 - x)PbTiO3-xBi(Zn1/2Ti1/2)O3 (0 ≤ x ≤ 1) solid solutions have been prepared by the conventional solid-state and high-pressure vs. high-temperature methods. The effect of Bi(Zn1/2Ti1/2)O3 on the crystal structure has been investigated by synchrotron X-ray powder diffraction. Unlike most PbTiO3-based perovskites, the present system exhibits a continuously enhanced tetragonality (c/a) and large spontaneous polarization (PS) properties. The enhanced c/a is ascribed to the large spontaneous polarization displacements induced by the strong Pb/Bi-O hybridization and coupling interactions between Ti/Zn and Pb/Bi cations, which can be evidenced from the lattice dynamics study and first-principles calculations. Accordingly, the TC (i.e., x = 0.5) is expected to be approximately 1000 °C if its perovskite structure can be stabilized. The present study provides a route to obtain large-PS in PbTiO3-based ferroelectric materials by introducing isostructural perovskites with strong polarity.

AB - PbTiO3-Bi(Zn1/2Ti1/2)O3 is considered to be a promising high-ferroelectric performance material in the Pb/Bi-based perovskite family. In the present study, a whole set of (1 - x)PbTiO3-xBi(Zn1/2Ti1/2)O3 (0 ≤ x ≤ 1) solid solutions have been prepared by the conventional solid-state and high-pressure vs. high-temperature methods. The effect of Bi(Zn1/2Ti1/2)O3 on the crystal structure has been investigated by synchrotron X-ray powder diffraction. Unlike most PbTiO3-based perovskites, the present system exhibits a continuously enhanced tetragonality (c/a) and large spontaneous polarization (PS) properties. The enhanced c/a is ascribed to the large spontaneous polarization displacements induced by the strong Pb/Bi-O hybridization and coupling interactions between Ti/Zn and Pb/Bi cations, which can be evidenced from the lattice dynamics study and first-principles calculations. Accordingly, the TC (i.e., x = 0.5) is expected to be approximately 1000 °C if its perovskite structure can be stabilized. The present study provides a route to obtain large-PS in PbTiO3-based ferroelectric materials by introducing isostructural perovskites with strong polarity.

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U2 - 10.1039/c8qi00184g

DO - 10.1039/c8qi00184g

M3 - Article

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JO - Inorganic Chemistry Frontiers

JF - Inorganic Chemistry Frontiers

SN - 2052-1545

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Large spontaneous polarization in polar perovskites of PbTiO₃-Bi(Zn_1/2Ti_1/2)O₃

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