Growth and surface characterization of magnetron sputtered zinc nitride thin films
2012
Abstract Zinc nitride films were deposited on Si(100) substrates at room temperature using RF-magnetron sputtering in pure N 2 and in Ar + N 2 atmospheres. Two active phonon modes (270.81 and 569.80 cm − 1 ) are observed in Raman spectra for films deposited in Ar + N 2 atmosphere. Atomic force microscopy showed that the average surface roughness of the films deposited in pure N 2 atmosphere (1.3–3.33 nm) was less than for those deposited in a mixed Ar + N 2 atmosphere (10.3–12.8 nm). Low temperature cathodoluminescence showed two emission bands centered at 2.05 eV and 3.32 eV for both types of films.
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