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- Title
The Thermionic Vacuum Arc Method for Rapid Deposition of Cu/CuO/Cu<sub>2</sub>O Thin Film.
- Authors
Musaoğlu, Caner; Pat, Suat; Mohammadigharehbagh, Reza; Özen, Soner; Korkmaz, Şadan
- Abstract
Copper oxide (CuOx) thin film has been deposited on glass substrate using the thermionic vacuum arc (TVA) method. The TVA system works in high-vacuum condition. The microstructural, surface, and optical properties were investigated. Reflection planes corresponding to Cu2O, CuO, and Cu crystal networks were detected in the x-ray diffraction (XRD) pattern. According to the XRD results, the deposited thin film was in polycrystalline form. The grain size, Miller indices, dislocation density, and microstrain were calculated. The crystalline size obtained from the CuO reflections was approximately 20 nm. The average roughness of the deposited film was measured to be 1.8 nm. The height distribution function of the grain size on the deposited surface was determined, revealing a mean grain height of 11 nm. The deposited film exhibited high transparency in the ultraviolet-visible (UV-Vis) spectroscopic region. The refractive index of the film was measured to be 2.20 at 632 nm. The optical bandgap and real part of the dielectric constant were found to be 1.5 eV and 4.84, respectively.
- Subjects
THERMIONIC converters; COPPER oxide; THIN films; X-ray diffraction; GRAIN size
- Publication
Journal of Electronic Materials, 2019, Vol 48, Issue 4, p2272
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-018-06906-9