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首页> 外文期刊>Applied Physics Letters >Enhanced ferroelectric properties and thermal stability of nonstoichiometric 0.92(Na_(0.5)Bi_(0.5))TiO_3-0.08(K_(0.5)Bi_(0.5))TiO_3 single crystals
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Enhanced ferroelectric properties and thermal stability of nonstoichiometric 0.92(Na_(0.5)Bi_(0.5))TiO_3-0.08(K_(0.5)Bi_(0.5))TiO_3 single crystals

机译：非化学计量的0.92（Na_（0.5）Bi_（0.5））TiO_3-3-0.08（K_（0.5）Bi_（0.5））TiO_3单晶的增强铁电性能和热稳定性

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摘要

Bi deficient, Mn doped 0.92(Na_(0.5)Bi_(0.5))Ti03-0.08(K_(0.5)Bi_(0.5))TiO_3 single crystals were grown by carefully controlled top-seeded solution growth method. Local structures were investigated by transmission electron microscopy. The site occupation and valence state of manganese were characterized by electron paramagnetic resonance spectrum. The leakage current density in the as-grown single crystals is effectively depressed. The introduced defect complexes suppress the temperature induced phase transformation, increasing the depolarization temperature (165 ℃) and thermal stability of ferroelectric properties.
机译：通过精心控制的顶晶溶液生长方法，生长出Bi不足，Mn掺杂的0.92（Na_（0.5）Bi_（0.5））TiO3-0.08（K_（0.5）Bi_（0.5））TiO_3单晶。通过透射电子显微镜研究局部结构。用电子顺磁共振谱表征了锰的位占据和价态。有效地抑制了生长中的单晶中的漏电流密度。引入的缺陷配合物抑制了温度引起的相变，提高了去极化温度（165℃）和铁电性能的热稳定性。

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  • 来源
    《Applied Physics Letters》 |2013年第21期|243-247|共5页
  • 作者

    Haiwu Zhang; Chao Chen; Xiangyong Zhao; Hao Deng; Long Li; Di Lin; Xiaobing Li; Bo Ren; Haosu Luo; Jun Yan;

  • 作者单位

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

    Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800, China;

    Shibei Power Supply Branch, Shanghai Municipal Electric Power Company, Shanghai 200072, China;

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