Electrical Properties of Black Phosphorus Single Crystals Prepared by the Bismuth-Flux Method

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説明

Systematic measurement of the electrical transport phenomena of black phosphorus grown by the all-closed bismuth-flux method has been performed in the range from room temperature down to 0.5 K for the electrical resistivity and down to 1.5 K for the Hall effect and the magnetoresistance effect. These samples exhibited p-type conduction with two types of acceptors, of which activation energies were 26.1 meV and 11.8 meV, respectively. The effective concentrations of acceptors were typically 1.36×1015 cm−3 for the deeper level and 0.44×1015 cm−3 for the shallower level. The maximum of the Hall mobility was found to be 2×104 cm2/Vs around 20 K. A new observation of n-type conduction below about 7 K for some of these samples suggested the existence of a surface inversion layer as a channel of electron conduction.

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詳細情報 詳細情報について

  • CRID
    1573105977200204160
  • NII論文ID
    110003902611
  • NII書誌ID
    AA10457675
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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