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Journals / Turkish Journal of Physics / 2014 / Cilt: 38 - Sayı: 2

Annealing effects of ZnO thin films on p-Si(100) substrate deposited by PFCVAD

KAMURAN KARA
EBRU ŞENADIM TÜZEMEN
RAMAZAN ESEN
Pages
238–244
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The Raman scattering spectra of the films was observed at a laser power of 2 mW.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, ZnO films were prepared on p-Si substrates using the pulsed filtered cathodic vacuum arc deposition (PFCVAD) method.
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Key Findings & Data:The films had a weak peak (100) orientation at 2theta = sim 32°.
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Conclusion & Impact:The Raman scattering spectra of the films was observed at a laser power of 2 mW.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:ZnO · Kubelka-Munk function · Raman scattering

Abstract

In this study, ZnO films were prepared on p-Si substrates using the pulsed filtered cathodic vacuum arc deposition (PFCVAD) method. We report the effect of annealing temperature on structural and optical properties. The crystallographic structure and the size of the crystallites in the films were studied by means of X-ray diffraction. The films had a weak peak (100) orientation at 2theta = sim 32°. X-ray diffraction analysis of the as-deposited ZnO and the film annealed at 850 °C showed a strong ZnO (002) diffraction peak centered at 34.1° and 34.5°, respectively. The (004) peak was seen for film annealed at 850 °C. ZnO film annealed at 850 °C had higher grain size and better crystallinity. Optical properties of the ZnO films were studied using a UV-Vis-NIR spectrophotometer. The optical band gap of the films was determined using the reflectance spectra by means of the Kubelka-Munk formula. From the optical properties, the band gap energy estimated for films as-deposited and annealed at 850 °C was 3.00 and 3.28 eV, respectively. The Raman scattering spectra of the films was observed at a laser power of 2 mW.

Özet

In this study, ZnO films were prepared on p-Si substrates using the pulsed filtered cathodic vacuum arc deposition (PFCVAD) method. We report the effect of annealing temperature on structural and optical properties. The crystallographic structure and the size of the crystallites in the films were studied by means of X-ray diffraction. The films had a weak peak (100) orientation at 2theta = sim 32°. X-ray diffraction analysis of the as-deposited ZnO and the film annealed at 850 °C showed a strong ZnO (002) diffraction peak centered at 34.1° and 34.5°, respectively. The (004) peak was seen for film annealed at 850 °C. ZnO film annealed at 850 °C had higher grain size and better crystallinity. Optical properties of the ZnO films were studied using a UV-Vis-NIR spectrophotometer. The optical band gap of the films was determined using the reflectance spectra by means of the Kubelka-Munk formula. From the optical properties, the band gap energy estimated for films as-deposited and annealed at 850 °C was 3.00 and 3.28 eV, respectively. The Raman scattering spectra of the films was observed at a laser power of 2 mW.

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Cite This Article

KARA, K., TÜZEMEN, E. Ş., ESEN, R. (2014). Annealing effects of ZnO thin films on p-Si(100) substrate deposited by PFCVAD. Turkish Journal of Physics, Cilt: 38 - Sayı: 2, 238–244. https://ajindex.com/articles/378003

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