Effects of nitrogen doping of ZnO during or after deposition

Tingfang Yen, Michael Dinezza, Alan Haungs, Sung Jin Kim, Wayne A. Anderson, Alexander N. Cartwright

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Effects of nitrogen doping of ZnO (ZnO:N) during deposition and after postdeposition annealing have been studied by optical techniques, electronic properties, and the application to metal-semiconductor-metal photodetectors (MSM-PDs). Films of ZnO, nitrogen doped during rf sputtering, show larger grain size, narrower full width at half maximum, band gap emission shift in photoluminescence, and higher conductivity. Postannealing has been studied using tube furnace and rapid thermal annealing in nitrogen. These annealing methods not only reconstruct the lattice structure but also activate the nitrogen in the film to improve the conductivity of the film. The MSM-PDs having high photo to dark current ratio of 104 and responsive (R) of 1.79 A/W have been fabricated with those films.

Original languageEnglish
Pages (from-to)1943-1948
Number of pages6
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume27
Issue number4
DOIs
StatePublished - Aug 14 2009
Externally publishedYes

Fingerprint

Doping (additives)
Nitrogen
nitrogen
Photodetectors
Metals
metals
annealing
photometers
Annealing
Semiconductor materials
conductivity
Rapid thermal annealing
Dark currents
Full width at half maximum
dark current
Electronic properties
furnaces
Sputtering
Photoluminescence
Furnaces

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Effects of nitrogen doping of ZnO during or after deposition. / Yen, Tingfang; Dinezza, Michael; Haungs, Alan; Kim, Sung Jin; Anderson, Wayne A.; Cartwright, Alexander N.

In: Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, Vol. 27, No. 4, 14.08.2009, p. 1943-1948.

Research output: Contribution to journalArticle

Yen, Tingfang ; Dinezza, Michael ; Haungs, Alan ; Kim, Sung Jin ; Anderson, Wayne A. ; Cartwright, Alexander N. / Effects of nitrogen doping of ZnO during or after deposition. In: Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 2009 ; Vol. 27, No. 4. pp. 1943-1948.
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