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Cr-doping induced ferromagnetic behavior in antiferromagnetic EuTiO_3 nanoparticles

机译：反铁磁性EuTiO_3纳米粒子中Cr掺杂诱导的铁磁行为

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摘要

We have synthesized a series of high quality EuTi_(1-x)Cr_xO_3 (x = 0.0,0.02, and 0.04) nanoparticles by simple sol-gel technique. The averaged grain size of these obtained nanoparticles displays no obvious change with Cr-doping and is about 100nm. The structural and magnetic properties of EuTi_(1-x)Cr_xO_3 (x = 0.0, 0.02, and 0.04) samples were detailedly investigated. It is found that the G-antiferromagnetic (G-AFM) ordering of pure EuTiO_3 can be significantly modified with slight Cr-doping, and finally the ferromagnetic behavior is enhanced for EuTi_(1-x)Cr_xO_3 system with Cr-doping.
机译：我们已经通过简单的溶胶-凝胶技术合成了一系列高质量的EuTi_（1-x）Cr_xO_3（x = 0.0,0.02和0.04）纳米粒子。这些获得的纳米粒子的平均晶粒尺寸没有显示出随Cr掺杂的明显变化，并且约为100nm。详细研究了EuTi_（1-x）Cr_xO_3（x = 0.0、0.02和0.04）样品的结构和磁性。发现纯EuTiO_3的G-反铁磁（G-AFM）有序可以通过少量Cr掺杂而得到显着改变，最后，对于EuTi_（1-x）Cr_xO_3 Cr掺杂体系，铁磁性能得到增强。

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  • 来源
    《Applied Surface Science》 |2011年第1期|p.599-603|共5页
  • 作者

    T. Wei; Q.G. Song; QJ- Zhou; Z.P. Li; XX. Qj; W.P. Liu; Y.R. Guo; J.-M. Liu;

  • 作者单位

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    College of Science, Civil Aviation University of China, Tianjin 300300, China;

    Laboratory of Solid State Mkrostructures, Nanjing University, Nanjing 210093, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    EuTiO_3; nanoparticles; magnetic properties;

    机译：EuTiO_3;纳米粒子磁性;

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