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Title: Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi(Zn 0.5Ti 0.5)O 3-BiFeO 3

Abstract

Lead-free piezoelectrics have attracted increasing attention due to the awareness of lead toxicity to the environment. Here, a new Bi-based lead-free perovskite of (1-x)Bi(Zn 0.5Ti 0.5)O 3-xBiFeO 3 has been synthesized via high-pressure and high-temperature method. It exhibits interest-ing properties of giant polarization, morphotropic phase boundary (MPB), and monoclinic phase. In particular, large tetragonality ( c/a = 1.228) and giant spontaneous polariza-tion of 110 μC/cm 2 has been obtained in 0.6Bi(Zn 0.5Ti 0.5)O 3-0.4BiFeO 3, which is much higher than most available lead-free materials and conventional Pb(Zr,Ti)O 3. MPB is clearly identified to be constituted by tetragonal and monoclinic phases at x = 0.5. Notably, a single monoclinic phase has been observed at x = 0.6, which exhibits an intriguing high temperature property. In conclusion, the present results are helpful to explore new lead-free MPB systems in bismuth-based compounds.

Authors:
 [1];  [2];  [3];  [3];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [4];  [5];  [3];  [1]
  1. Univ. of Science and Technology Beijing, Beijing (China)
  2. Univ. of Science and Technology Beijing, Beijing (China); Tokyo Institute of Technology, Yokohama (Japan)
  3. Tokyo Institute of Technology, Yokohama (Japan)
  4. Argonne National Lab. (ANL), Argonne, IL (United States)
  5. RIKEN SPring-8 Center, Hyogo (Japan)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Scientific User Facilities Division; National Natural Science Foundation of China (NNSFC); Japan Synchrotron Radiation Research Institute (JASRI)
OSTI Identifier:
1390948
Grant/Contract Number:
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Inorganic Chemistry
Additional Journal Information:
Journal Volume: 55; Journal Issue: 19; Journal ID: ISSN 0020-1669
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Pan, Zhao, Chen, Jun, Yu, Runze, Yamamoto, Hajime, Rong, Yangchun, Hu, Lei, Li, Qiang, Lin, Kun, You, Li, Zhao, Kun, Fan, Longlong, Ren, Yang, Kato, Kenichi, Azuma, Masaki, and Xing, Xianran. Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi(Zn0.5Ti0.5)O3-BiFeO3. United States: N. p., 2016. Web. doi:10.1021/acs.inorgchem.6b01661.
Pan, Zhao, Chen, Jun, Yu, Runze, Yamamoto, Hajime, Rong, Yangchun, Hu, Lei, Li, Qiang, Lin, Kun, You, Li, Zhao, Kun, Fan, Longlong, Ren, Yang, Kato, Kenichi, Azuma, Masaki, & Xing, Xianran. Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi(Zn0.5Ti0.5)O3-BiFeO3. United States. doi:10.1021/acs.inorgchem.6b01661.
Pan, Zhao, Chen, Jun, Yu, Runze, Yamamoto, Hajime, Rong, Yangchun, Hu, Lei, Li, Qiang, Lin, Kun, You, Li, Zhao, Kun, Fan, Longlong, Ren, Yang, Kato, Kenichi, Azuma, Masaki, and Xing, Xianran. Thu . "Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi(Zn0.5Ti0.5)O3-BiFeO3". United States. doi:10.1021/acs.inorgchem.6b01661. https://www.osti.gov/servlets/purl/1390948.
@article{osti_1390948,
title = {Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi(Zn0.5Ti0.5)O3-BiFeO3},
author = {Pan, Zhao and Chen, Jun and Yu, Runze and Yamamoto, Hajime and Rong, Yangchun and Hu, Lei and Li, Qiang and Lin, Kun and You, Li and Zhao, Kun and Fan, Longlong and Ren, Yang and Kato, Kenichi and Azuma, Masaki and Xing, Xianran},
abstractNote = {Lead-free piezoelectrics have attracted increasing attention due to the awareness of lead toxicity to the environment. Here, a new Bi-based lead-free perovskite of (1-x)Bi(Zn0.5Ti0.5)O3-xBiFeO3 has been synthesized via high-pressure and high-temperature method. It exhibits interest-ing properties of giant polarization, morphotropic phase boundary (MPB), and monoclinic phase. In particular, large tetragonality (c/a = 1.228) and giant spontaneous polariza-tion of 110 μC/cm2 has been obtained in 0.6Bi(Zn0.5Ti0.5)O3-0.4BiFeO3, which is much higher than most available lead-free materials and conventional Pb(Zr,Ti)O3. MPB is clearly identified to be constituted by tetragonal and monoclinic phases at x = 0.5. Notably, a single monoclinic phase has been observed at x = 0.6, which exhibits an intriguing high temperature property. In conclusion, the present results are helpful to explore new lead-free MPB systems in bismuth-based compounds.},
doi = {10.1021/acs.inorgchem.6b01661},
journal = {Inorganic Chemistry},
number = 19,
volume = 55,
place = {United States},
year = {Thu Sep 15 00:00:00 EDT 2016},
month = {Thu Sep 15 00:00:00 EDT 2016}
}

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