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Defect free C-axis oriented zinc oxide (ZnO) films grown at room temperature using RF magnetron sputtering

Journal Article · · AIP Conference Proceedings
DOI:https://doi.org/10.1063/1.4947926· OSTI ID:22608698
;  [1]
  1. Department of Physics & Astrophysics, University of Delhi, Delhi-110007 (India)

Radio frequency Magnetron sputtering technique was employed to fabricate ZnO thin films on quartz substrate at room temperature. The effect of varying oxygen to argon (O{sub 2}/Ar) gas ratio on the structural and photoluminescence properties of the film is analyzed.X-ray diffraction (XRD) spectra reveals the formation of hexagonal wurtzite structured ZnO thin films with preferred orientation along (002) plane. Photoluminescence (PL) characterization reveals the preparation of highly crystalline films exhibiting intense Ultraviolet (UV) emission with negligible amount of defects as indicated by the absence of Deep Level Emission (DLE) in the PL spectra.

OSTI ID:
22608698
Journal Information:
AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1731; ISSN APCPCS; ISSN 0094-243X
Country of Publication:
United States
Language:
English