Pulsed electron deposition of 50-nm-thick ZnO film at room temperature

Jaehoon Rho, Kwangnam Yu, Rok Hwan Jeong, J. H. Park, J. S. Chung, Eunjip Choi

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4 Scopus citations

Abstract

We used pulsed electron deposition (PED) method to grow 50-nm-thick ZnO thin film on quartz and Si substrate at room temperature. X-ray diffraction (XRD) measurement shows the (002) peak with full width at half maximum (FWHM) of 0.87. Photoluminescenct (PL) and IR transmission data exhibit the energy band gap (3.3 eV) and optical phonon frequency (50.7 meV) which are consistent with those of single crystal ZnO. Visible-UV transmission level is enhanced when oxygen partial pressure in the growth chamber increases. Our results prove that thin ZnO film with reasonable structural, surface and optical property can be grown at low temperatures using PED method.

Original languageEnglish
Article number120209
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume50
Issue number12
DOIs
StatePublished - Dec 2011

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