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Large, Nitrogen-Induced Increase of the Electron Effective Mass in InyGa1-yNxAs1-x

  • C. Skierbiszewski
  • , P. Perlin
  • , P. Wisniewski
  • , W. Knap
  • , T. Suski
  • , W. Walukiewicz
  • , W. Shan
  • , K. M. Yu
  • , J. W. Ager
  • , E. E. Haller
  • , J. F. Geisz
  • , J. M. Olson
  • High Pressure Research Center of the Polish Academy of Sciences
  • University of California at Berkeley
  • National Renewable Energy Laboratory

Research output: Contribution to journalArticlepeer-review

256 Scopus Citations

Abstract

A dramatic increase of the conduction band electron mass in a nitrogen-containing III-V alloy is reported. The mass is found to be strongly dependent on the nitrogen content and the electron concentration with a value as large as 0.4m0 in In0.08Ga0.92As0.967N0.033 with 6 × 1019 cm-3 free electrons. This mass is more than five times larger than the electron effective mass in GaAs and comparable to typical heavy hole masses in III-V compounds. The results provide a critical test and fully confirm the predictions of the recently proposed band anticrossing model of the electronic structure of the III-N-V alloys.

Original languageAmerican English
Pages (from-to)2409-2411
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number17
DOIs
StatePublished - 2000

NLR Publication Number

  • NREL/JA-520-28630

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