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首页> 外文期刊>Physical review >Temperature-induced and electric-field-induced phase transitions in rhombohedral Pb(In_(1/2)Nb_(1/2))O_3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO_3 ternary single crystals
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Temperature-induced and electric-field-induced phase transitions in rhombohedral Pb(In_(1/2)Nb_(1/2))O_3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO_3 ternary single crystals

机译：菱面体Pb（In_（1/2）Nb_（1/2））O_3-Pb（Mg_（1/3）Nb_（2/3））O_3-PbTiO_3三元单相的温度诱导和电场诱导相变水晶

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摘要

Temperature and electric field effects on rhombohedral (R) ternary Pb(In_(1/2)Nb_(1/2))O_3-Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO_3 (PIN-PMN-PT) ferroelectric single crystals were comprehensively studied by x-ray diffraction. We have focused on how the individual phase transitions as well as the phase transition sequences depend on thermal and electrical history. Electric field-temperature phase diagrams have been constructed under [001] field-cooling and field-heating conditions. As happens to the R phase of binary PMN-PT crystals [H. Cao, J. F. Li, D. Viehland, and G. Y. Xu, Phys. Rev. B 73, 184110 (2006)], the R phase of the zero-field-cooled (ZFC) state is replaced by a monoclinic A (M_A) phase in the field-cooled (FC) diagram. In particular, reciprocal-space mesh scans demonstrated that the M_A phase was stable for crystals poled along the [001] crystallographic direction rather than the initial R phase of the ZFC state. Furthermore, an E-field-induced phase transformational sequence of R → M_A→ tetragonal (T) was observed at constant temperature, revealing a gradual increase in the c lattice parameter. These findings demonstrate that the ternary PIN-PMN-PT crystals exhibit common phase transition features with binary PMN-PT and Pb(Zni_(1/3)Nb_(2/3))O_3-PbTiO_3 (PZN-PT) ones for compositions in the low PT side of the morphotropic phase boundary.
机译：温度和电场对三面体（R）三元Pb（In_（1/2）Nb_（1/2））O_3-Pb（Mg_（1/3）Nb_（2/3））O_3-PbTiO_3（PIN-PMN）的影响-PT）铁电单晶通过X射线衍射进行了全面研究。我们关注于各个相变以及相变序列如何取决于热和电历史。电场-温度相图已经在[001]场冷却和场加热条件下构建。就像二元PMN-PT晶体的R相一样[H.曹J.F.李D.Viehland和徐G.Y.修订版B 73，184110（2006）]中，在场冷（FC）图中，零场冷（ZFC）状态的R相被单斜A（M_A）相代替。尤其是，相互空间网格扫描表明，对于沿[001]晶体学方向极化的晶体，M_A相稳定，而不是ZFC状态的初始R相稳定。此外，在恒定温度下观察到电场诱导的R→M_A→四方（T）的相变序列，揭示了c晶格参数的逐渐增加。这些发现表明三元PIN-PMN-PT晶体具有与二元PMN-PT和Pb（Zni_（1/3）Nb_（2/3））O_3-PbTiO_3（PZN-PT）晶体相同的相变特征。晶相边界的低PT侧。

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  • 来源
    《Physical review》 |2014年第13期|134107.1-134107.10|共10页
  • 作者

    Yaojin Wang; Zhiguang Wang; Wenwei Ge; Chengtao Luo; Jiefang Li; D. Viehland; Jianwei Chen; Haosu Luo;

  • 作者单位

    Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA;

    Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA;

    Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA;

    Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA;

    Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA;

    Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA;

    Shanghai Institute of Ceramics, Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

    Shanghai Institute of Ceramics, Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

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  • 正文语种 eng
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  • 关键词

    elements, oxides, nitrides, borides, carbides, chalcogenides,rnetc.;

    机译：元素;氧化物;氮化物;硼化物;碳化物;硫属化物等。;

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