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Observation of photogalvanic current for interband absorption in InN films at room temperature

  • C. G. Tang
  • , Y. H. Chen
  • , Y. Liu
  • , R. Q. Zhang
  • , X. L. Liu
  • , Z. G. Wang
  • , R. Zhang
  • , Z. Zhang

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

The linear and circular photogalvanic effects have been observed in undoped InN films for the interband transition by irradiation of 1060 nm laser at room temperature. The spin polarized photocurrent depends on the degree of polarization, and changes its sign when the radiation helicity changes from left-handed to right-handed. This result indicates the sizeable spin-orbit interaction in the InN epitaxial layer and provides an effective method to generate spin polarized photocurrent and to detect spin-splitting effect in semiconductors with promising applications on spintronics. © 2008 IEEE.
Original languageEnglish
Title of host publication2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
Pages1066-1069
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event2008 2nd IEEE International Nanoelectronics Conference, INEC 2008 - Shanghai, China
Duration: 24 Mar 200827 Mar 2008

Conference

Conference2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
PlaceChina
CityShanghai
Period24/03/0827/03/08

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