ZnO Thin Films Synthesized by Sol-Gel Process for Photonic Applications

• Authors: L. Znaidi , T. Touam , D. Vrel , N. Souded , S. Ben Yahia , O. Brinza , A. Fischer , A. Boudrioua
• Languages of publication: EN

Abstracts

EN

Undoped and aluminum-doped ZnO thin films are prepared by the sol-gel process. Zinc acetate dihydrate, ethanol and monoethanolamine are used as precursor, solvent and stabilizer, respectively. In the case of Al-doped ZnO, aluminum nitrate nonahydrate is added to the precursor solution with an atomic percentage equal to 1 or 2 at.% Al. The multi thin layers are prepared by spin-coating onto glass substrates, and are transformed into ZnO upon annealing at 550°C. Films with preferential orientation along the c-axis are successfully obtained. The structural, morphological, and optical properties of the thin films as a function of aluminum content have been investigated for different elaboration parameters (e.g. layer number) using X-ray diffraction, atomic force microscopy, scanning electronic microscopy. Waveguiding properties of the thin films have been also studied using m-lines spectroscopy. The results indicate that our films are monomodes at 632.8 nm with propagation optical loss estimated around 1.6 dB/cm.

Keywords

EN

81.20.Fw; 61.46.-w; 78.20.-e

Discipline

• 81.20.Fw: Sol-gel processing, precipitation(for reactions in sol-gels, see 82.33.Ln; for sol-gels as disperse system, see 82.70.Gg)
• 78.20.-e: Optical properties of bulk materials and thin films(for optical properties related to materials treatment, see 81.40.Tv; for optical materials, see 42.70-a; for optical properties of superconductors, see 74.25.Gz; for optical properties of rocks and minerals, see 91.60.Mk; for optical properties of specific thin films, see 78.66.-w)
• 61.46.-w: Structure of nanoscale materials(for thermal properties of nanocrystals and nanotubes, see 65.80.-g; for mechanical properties of nanoscale systems, see 62.25.-g; for electronic transport in nanoscale materials, see 73.63.-b; see also 62.23.-c Structural classes of nanoscale systems; 64.70.Nd Structural transitions in nanoscale materials; for magnetic properties of nanostructures, see 75.75.-c)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 121
• Issue: 1
• Pages: 165-168

Dates

published

2012-01

Contributors

author

L. Znaidi

• Laboratoire des Sciences des Procédés et des Matériaux, CNRS/UPR 3407, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

T. Touam

• Laboratoire de Physique des Lasers, CNRS/UMR 7538, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

D. Vrel

• Laboratoire des Sciences des Procédés et des Matériaux, CNRS/UPR 3407, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

N. Souded

• Laboratoire des Sciences des Procédés et des Matériaux, CNRS/UPR 3407, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

S. Ben Yahia

• Laboratoire des Sciences des Procédés et des Matériaux, CNRS/UPR 3407, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

O. Brinza

• Laboratoire des Sciences des Procédés et des Matériaux, CNRS/UPR 3407, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

A. Fischer

• Laboratoire de Physique des Lasers, CNRS/UMR 7538, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

author

A. Boudrioua

• Laboratoire de Physique des Lasers, CNRS/UMR 7538, Université Paris 13, 99 Av. J.-B. Clément, 93430 Villetaneuse, France

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Identifiers

DOI

10.12693/APhysPolA.121.165