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首页> 外文期刊>Journal of Applied Physics >Unconventional high-temperature ferromagnetic semiconductor PbPd_(1-x-y)Fe_yLi_xO_2
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Unconventional high-temperature ferromagnetic semiconductor PbPd_(1-x-y)Fe_yLi_xO_2

机译：非传统高温铁磁半导体PBPD_（1-X-Y）FE_yli_XO_2

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摘要

We have prepared a set of polycrystalline samples of PbPd_(1-x-y)Fe_yLi_xO_2 (x = 0, 0.01, 0.02, 0.03, and 0.04; y = 0, 0.02, and 0.05) and have measured synchrotron x-ray diffraction and magnetization systematically. We have found high-temperature ferromagnetism in Fe- and Li-substituted samples and the largest magnetic moment of 0.023 μ_B per formula unit in PbPd_(0.93)Fe_(0.05)Li_(0.02)O_2. The ferromagnetism survives at 700 K, and the Curie temperature will be far above 800 K. Although similar but controversial high-temperature ferromagnets have been reported in many thin-film samples thus far, the discovered ferromagnetism is macroscopic in the sense that bulk samples stick to a permanent magnet at room temperature. The Fe and Li dependence of the ferromagnetism is complicated, implying that the ferromagnetism is truly unconventional.
机译：我们制备了一组PBPD_（1-XY）Fe_yli_XO_2的多晶样品（x = 0,0.01,0.02,0.03和0.04; Y = 0,0.02和0.05），并系统地测量了同步X射线衍射和磁化 。 在PBPD_（0.93）Fe_（0.05）Li_（0.02）O_2中，我们发现了Fe-和Li-in取代的样品中的高温铁磁性和每种配方单元的最大磁矩为0.023μlB的磁矩。 铁磁体在700 k处存活，居里温度远远超过800克。虽然已经在许多薄膜样本中被报道了类似但有争议的高温铁磁体，所以发现的铁磁性在散装样品棒的意义上是宏观 在室温下的永磁体。 铁磁体的Fe和Li依赖性是复杂的，这意味着铁磁性真正非常规。

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  • 来源
    《Journal of Applied Physics》 |2021年第20期|203903.1-203903.6|共6页
  • 作者

    Yangchen He; Daiki Sato Kazuki Misawa; Daiki Nishihara; Akinori Kimura; Akitoshi Nakano; Hiroki Taniguchi; Ichiro Terasaki;

  • 作者单位

    Department of Physics Nagoya University Nagoya 464-8601 3apan HongYi Honor School Wuhan University Wuhan 27-430072 China;

    Department of Physics Nagoya University Nagoya 464-8601 3apan;

    Department of Physics Nagoya University Nagoya 464-8601 3apan;

    Department of Physics Nagoya University Nagoya 464-8601 3apan;

    Department of Physics Nagoya University Nagoya 464-8601 3apan;

    Department of Physics Nagoya University Nagoya 464-8601 3apan;

    Department of Physics Nagoya University Nagoya 464-8601 3apan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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