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Phase transition behavior and electrical properties of (1− x)Bi0.5Na0.5TiO3–x(Na0.53K0.44Li0.04)(Nb0.88Sb0.08Ta0.04)O3 lead-free ceramics

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Title: Phase transition behavior and electrical properties of (1− x)Bi0.5Na0.5TiO3–x(Na0.53K0.44Li0.04)(Nb0.88Sb0.08Ta0.04)O3 lead-free ceramics
Authors: Wang, Hong-Qiang1, Dai, Ye-Jing1 daiyj04@gmail.com, Shen, Zhu-Rui1 ericshen1124@yahoo.com.cn, Zhang, Xiao-Wen2
Source: Journal of the European Ceramic Society. Jul2012, Vol. 32 Issue 8, p1481-1484. 4p.
Subjects: Phase transitions, Electric properties of metals, Titanium oxides, Antimony, Piezoelectric materials, Ceramic materials, Molecular structure
Abstract: Abstract: (1− x)Bi0.5Na0.5TiO3–x(Na0.53K0.44Li0.04)(Nb0.88Sb0.08Ta0.04)O3 (BNT–xNKLNST) with x =0–0.10 lead-free piezoelectric ceramics were prepared by a solid state method, and the structure and electrical properties were investigated in this study. It is found that a morphotropic phase boundary (MPB) of rhombohedral (R) and tetragonal (T) phase exists in the range of 0.03≤ x ≤0.05 and the structure changes to paraelectric phase when x >0.07. The samples with x =0.05 exhibit improved electrical properties owing to the formation of MPB, which are as follows: piezoelectric constant d 33 =120pC/N, remnant polarization P r =39.4μC/cm2 and coercive field E c =3.6kV/mm. These results indicate that the enhanced piezoelectric properties for BNT can be achieved by forming the coexistence of R and T phase. [Copyright &y& Elsevier]
Copyright of Journal of the European Ceramic Society is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 73804035
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  Data: Phase transition behavior and electrical properties of (1− x)Bi<subscript>0.5</subscript>Na<subscript>0.5</subscript>TiO<subscript>3</subscript>–x(Na<subscript>0.53</subscript>K<subscript>0.44</subscript>Li<subscript>0.04</subscript>)(Nb<subscript>0.88</subscript>Sb<subscript>0.08</subscript>Ta<subscript>0.04</subscript>)O<subscript>3</subscript> lead-free ceramics
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Hong-Qiang%22">Wang, Hong-Qiang</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Dai%2C+Ye-Jing%22">Dai, Ye-Jing</searchLink><relatesTo>1</relatesTo><i> daiyj04@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Shen%2C+Zhu-Rui%22">Shen, Zhu-Rui</searchLink><relatesTo>1</relatesTo><i> ericshen1124@yahoo.com.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xiao-Wen%22">Zhang, Xiao-Wen</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+European+Ceramic+Society%22">Journal of the European Ceramic Society</searchLink>. Jul2012, Vol. 32 Issue 8, p1481-1484. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+properties+of+metals%22">Electric properties of metals</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium+oxides%22">Titanium oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Antimony%22">Antimony</searchLink><br /><searchLink fieldCode="DE" term="%22Piezoelectric+materials%22">Piezoelectric materials</searchLink><br /><searchLink fieldCode="DE" term="%22Ceramic+materials%22">Ceramic materials</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+structure%22">Molecular structure</searchLink>
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  Label: Abstract
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  Data: Abstract: (1− x)Bi0.5Na0.5TiO3–x(Na0.53K0.44Li0.04)(Nb0.88Sb0.08Ta0.04)O3 (BNT–xNKLNST) with x =0–0.10 lead-free piezoelectric ceramics were prepared by a solid state method, and the structure and electrical properties were investigated in this study. It is found that a morphotropic phase boundary (MPB) of rhombohedral (R) and tetragonal (T) phase exists in the range of 0.03≤ x ≤0.05 and the structure changes to paraelectric phase when x >0.07. The samples with x =0.05 exhibit improved electrical properties owing to the formation of MPB, which are as follows: piezoelectric constant d 33 =120pC/N, remnant polarization P r =39.4μC/cm2 and coercive field E c =3.6kV/mm. These results indicate that the enhanced piezoelectric properties for BNT can be achieved by forming the coexistence of R and T phase. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the European Ceramic Society is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jeurceramsoc.2012.01.008
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 1481
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      – SubjectFull: Phase transitions
        Type: general
      – SubjectFull: Electric properties of metals
        Type: general
      – SubjectFull: Titanium oxides
        Type: general
      – SubjectFull: Antimony
        Type: general
      – SubjectFull: Piezoelectric materials
        Type: general
      – SubjectFull: Ceramic materials
        Type: general
      – SubjectFull: Molecular structure
        Type: general
    Titles:
      – TitleFull: Phase transition behavior and electrical properties of (1− x)Bi0.5Na0.5TiO3–x(Na0.53K0.44Li0.04)(Nb0.88Sb0.08Ta0.04)O3 lead-free ceramics
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            NameFull: Wang, Hong-Qiang
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            NameFull: Dai, Ye-Jing
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            NameFull: Shen, Zhu-Rui
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            NameFull: Zhang, Xiao-Wen
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              Text: Jul2012
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              Y: 2012
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