Indirect band gap of light-emitting BC2N

Chen, Y and Barnard, J C and Palmer, R E and Watanabe, M O and Sasaki, T and Chen, Yu (1999) Indirect band gap of light-emitting BC2N. Physical Review Letters, 83 (12). pp. 2406-2408. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.83.2406)

Abstract

We have employed high resolution electron energy loss spectroscopy (HREELS) (in ultrahigh vacuum) to investigate the band gap of the novel semiconductor BC2N by measuring electronic excitations from the valence band to the conduction band. Angle-resolved HREELS allows the observation of transitions which are not vertical in k space, and the measurements indicate an indirect band structure, even though this material emits visible photoluminescence. The results also reconcile scanning tunneling microscopy and photoluminescence measurements for the system.

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• Item metadata

  Item type:	Article
  ID code:	35393
  Dates:	Date Event 20 September 1999 Published
  Subjects:	Science > Physics > Solid state physics. Nanoscience
  Department:	Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	03 Nov 2011 13:54
  Last modified:	11 Nov 2024 09:58
  URI:	https://strathprints.strath.ac.uk/id/eprint/35393