| 弛豫铁电单晶铌镁酸铅-钛酸铅的工程畴结构研究 |
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| 引用本文： | 张锐,项阳,李秀明.弛豫铁电单晶铌镁酸铅-钛酸铅的工程畴结构研究[J].大庆师范学院学报,2011,31(3):84-87. |
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| 作者姓名： | 张锐 项阳 李秀明 |
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| 作者单位： | 哈尔滨工业大学凝聚态科学与技术研究中心;大庆师范学院物理与电气信息工程学院; |
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| 摘 要： | 综述了目前对铁电晶体畴结构进行观测的主要技术方法,及国内外相关研究单位对新型弛豫铁电单晶铌镁酸铅-钛酸铅(1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3(PMN-xPT)]的工程畴结构的研究进展。以往的研究表明,该类单晶的机电性能与其工程畴结构之间存在着密不可分的关系,这些研究结果对阐明PMN-xPT单晶在不同极化方向与工程畴结构状态下,其优异机电性能的起源机制与发生规律,进而指导剪切波换能器、垂直极化方向的大应变驱动器等电机器件的设计与制作,具有重要的理论意义与实际应用价值。
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| 关 键 词： | 铁电学 单晶体 畴结构 极化 机电性能 |
Observation Technique and Investigation Progress of Engineering Domain Structure of the Relaxor Ferroelectric Single Crystals Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO_3 |
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| ZHANG Rui,XINAG Yang, LI Xiu-ming.Observation Technique and Investigation Progress of Engineering Domain Structure of the Relaxor Ferroelectric Single Crystals Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO_3[J].Journal of Daqing Normal University,2011,31(3):84-87. |
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| Authors: | ZHANG Rui XINAG Yang LI Xiu-ming |
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| Institution: | ZHANG Rui1,XINAG Yang1,and LI Xiu-ming2(1.Center for Condensed Matter science and technology,Harbin Institute of Technology,Harbin,150080,China,2.College of Physics and Electricity Informection Engineering,Daqing Normal University,Daqing 163712,China) |
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| Abstract: | This article summarizes the main observation method for domain structure of ferroelectric crystals in domestic and foreign,and the investigation progress in engineering domain structure of new type ferroelectric single crystal Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT).The former research indicated there is inseparable relation between the electromechanical properties and domain structure of PMN-PT single crystals.It can be used to expound the origin mechanism of excellent electromechanical properties of PMN-xPT cryst... |
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| Keywords: | ferroelectric single crystal domain structure polarize electromechanical properties |
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