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A general approach for fast detection of charge carrier type and conductivity difference in nanoscale materials

  • Lili Jiang
  • , Bin Wu
  • , Hongtao Liu
  • , Yuan Huang
  • , Jianyi Chen
  • , Dechao Geng
  • , Hongjun Gao*
  • , Yunqi Liu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A general method using a biased atomic force microscopy tip that allows a qualitative, fast, and reliable determination of key electronic properties such as metallic, n-, or p-doped characteristics has been reported for the first time. This method eliminates the detrimental effect of contact in the traditional transport measurement and is much simpler than the common-electrostatic force microscopy detection method, thus providing a powerful tool for fast characterizations of nanomaterials.

Original languageEnglish
Pages (from-to)7015-7019
Number of pages5
JournalAdvanced Materials
Volume25
Issue number48
DOIs
Publication statusPublished - 23 Dec 2013
Externally publishedYes

Keywords

  • asymmetric polarization
  • atomic force microscopy
  • charge carrier type
  • two-dimensional materials

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