4.6 Article

Degenerate doping induced metallic behaviors in ZnO nanobelts

Journal

APPLIED PHYSICS LETTERS
Volume 93, Issue 10, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.2981521

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Funding

  1. National Natural Science Foundation of China [50602014]
  2. National Excellent Doctoral Dissertation of People's Republic of China [200752]
  3. Hunan Provincial Natural Science Foundation of China [07jj107]
  4. 973 National Key Basic Research Program of China [2007CB310500]

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The authors report the electrical transport properties of an individual degenerately In-doped ZnO (ZnO:In) nanobelts. The room temperature resistivity and electron concentration of the ZnO: In nanobelts are found to be 8.9 x 10(-4) Omega cm and 1.17 x 10(20) cm(- 3), respectively. The temperature dependent resistivity of the ZnO: In nanobelts agrees well with the Bloch-Gruneisen theory due to the electron-acoustic phonon scattering mechanism. A high failure-current density of 7.4 x 10(6) A/cm(2) is measured because of the single-crystalline metallic structure. (c) 2008 American Institute of Physics.

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