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Electron transport properties of InN

  • R. E. Jones
  • , H. C. M. Van Genuchten
  • , S. X. Li
  • , L. Hsu
  • , K. M. Yu
  • , W. Walukiewicz
  • , J. W. Ager III
  • , E. E. Haller
  • , H. Lu
  • , W. J. Schaff

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

Abstract

High-energy particle irradiation has been used to control the free electron concentration and electron mobility in InN by introducing native point defects that act as donors. A direct comparison between theoretical calculations and the experimental electron mobility suggests that scattering by triply-charged donor defects limits the mobility in irradiated samples across the entire range of electron concentrations studied. Thermal annealing of irradiated films in the temperature range 425°C to 475°C results in large increases in the electron mobility that approach the values predicted for singly-ionized donor defect scattering. It is suggested that the radiation-induced donor defects are stable, singly-charged nitrogen vacancies, and triply-charged, relaxed indium vacancy complexes that are removed by the annealing. © 2006 Materials Research Society.
Original languageEnglish
Title of host publicationMRS Symposium Proceedings. Volume 892
PublisherCambridge University Press
ISBN (Print)1558998462, 9781558998469
DOIs
Publication statusPublished - Dec 2005
Externally publishedYes
Event2005 Materials Research Society Fall Meeting - Boston, MA, United States
Duration: 28 Nov 20052 Dec 2005

Publication series

NameMRS Symposium Proceedings Series
Volume892
ISSN (Print)0272-9172

Conference

Conference2005 Materials Research Society Fall Meeting
PlaceUnited States
CityBoston, MA
Period28/11/052/12/05

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