Transport properties of single-crystalline n-type semiconducting PbTe nanowires

So Young Jang, Han Sung Kim, Jeunghee Park, Minkyung Jung, Jinhee Kim, Seung Hyun Lee, Jong Wook Roh, Wooyoung Lee

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Single-crystalline PbTe nanowires were synthesized using the chemical vapor transport method. They consisted of rock-salt structure PbTe nanocrystals uniformly grown in the [100] direction. We fabricated field-effect transistors using a single PbTe nanowire, providing evidence for its intrinsic n-type semiconductor characteristics. The values of the carrier mobility and concentration were estimated to be 0.83 cm2V-1s -1 and 8.8 × 1017 cm-3, respectively. The Seebeck coefficients (-72νVK-1) of individual nanowires were measured to show their n-type carrier-dominated thermoelectric transport properties.

Original languageEnglish
Article number415204
Issue number41
Publication statusPublished - 2009 Oct 12

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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    Jang, S. Y., Kim, H. S., Park, J., Jung, M., Kim, J., Lee, S. H., Roh, J. W., & Lee, W. (2009). Transport properties of single-crystalline n-type semiconducting PbTe nanowires. Nanotechnology, 20(41), [415204].