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首页> 外文期刊>Physical review >Three-dimensional nature of normal and superconducting states in BaNi_2P_2 single crystals with the ThCr_2Si_2-type structure
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Three-dimensional nature of normal and superconducting states in BaNi_2P_2 single crystals with the ThCr_2Si_2-type structure

机译:ThCr_2Si_2型结构的BaNi_2P_2单晶的常态和超导态的三维性质

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摘要

Normal and superconducting states of BaNi_2P_2 single crystals (T_C~2.4 K) have been studied. Anisotropy of resistivity is comparable with that of upper critical fields, indicating the effective mass estimated in the normal state is nearly the same as that in the superconducting state. From magnetization hysteresis with a weak vortex pinning, lower critical fields are estimated. Hall effect is explained by a two-carrier model consistent with a multiple-band with both hole and electron characters. It has been proved that BaNi_2P_2 is an anisotropic three-dimensional intermetallic superconductor.
机译:研究了BaNi_2P_2单晶(T_C〜2.4 K)的正态和超导态。电阻率的各向异性与上临界场的各向异性相当,这表明在正常状态下估计的有效质量与在超导状态下的有效质量几乎相同。通过弱磁钉扎的磁化磁滞,可以估算出较低的临界场。霍尔效应由与具有空穴和电子特性的多频带一致的双载流子模型解释。已经证明BaNi_2P_2是各向异性的三维金属间超导体。

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  • 来源
    《Physical review》 |2009年第13期|108-111|共4页
  • 作者单位

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan;

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan Department of Physics, University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-8656, Japan;

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan Department of Physics, University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-8656, Japan;

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan;

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan;

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan;

    Nano Electronics Research Institute (NeRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan JST, Transformative Research-Project on Iron Pnictides (TRIP), 5 Sanbancho, chiyoda-ku, Tokyo 102-0075, Japan;

    Department of Physics, University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-8656, Japan;

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

    ternary, quaternary and multinary compounds (including Chevrel phases, borocarbides, etc.); superconductivity phase diagrams; transport properties (electric and thermal conductivity, thermoelectric effects, etc.); magnetic properties;

    机译:三元;四元和多元化合物(包括Chevrel相;硼碳化物等);超导相图;传输特性(电导率和热导率;热电效应等);磁性;

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