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Density of state effective mass and related charge transport properties in K-doped BiCuOSe

机译：掺K的BiCuOSe中状态有效质量的密度和相关的电荷输运性质

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摘要

We report the enhanced p-type conduction properties in BiCuOSe by doping of monovalent ions (K~+). As compared with undoped BiCuOSe, simultaneous increase in both the carrier concentration and the Hall mobility was achieved in the K-doped BiCuOSe. The origin of the enhancement was discussed in terms of the two-band structure in the valence band of the BiCuOSe, and the density of state effective masses of the heavy (~1.1/m_e) and light hole (~0.18 m_e) were estimated by using Pisarenko relation.
机译：我们报告了通过掺杂单价离子（K〜+）在BiCuOSe中增强的p型导电性能。与未掺杂的BiCuOSe相比，在掺杂K的BiCuOSe中，载流子浓度和霍尔迁移率均同时提高。根据BiCuOSe价带的两带结构讨论了增强的起源，并通过使用Pisarenko关系。

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  • 来源
    《Applied Physics Letters》 |2013年第23期|232110.1-232110.4|共4页
  • 作者

    Dong Sun Lee; Tae-Ho An; Mahn Jeong; Hyoung-Seuk Choi; Young Soo Lim; Won-Seon Seo; Cheol-Hee Park; Chan Park; Hyung-Ho Park;

  • 作者单位

    Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, South Korea,Department of Materials Science and Engineering, Yonsei University, Seoul 120-749, South Korea;

    Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, South Korea,Department of Materials Science and Engineering, Seoul National University, Seoul 151-744, South Korea;

    Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, South Korea;

    Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, South Korea;

    Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, South Korea;

    Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, South Korea;

    LG Chem/Research Park, Daejeon 305-380, South Korea;

    Department of Materials Science and Engineering, Seoul National University, Seoul 151-744, South Korea;

    Department of Materials Science and Engineering, Yonsei University, Seoul 120-749, South Korea;

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