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Microstructure and growth mechanism of Pt Al2O3 co-sputtered nanocermet films studied by SAXS, TEM and AFM

Author

Listed:
  • Sella, C.
  • Mâaza, M.
  • Pardo, B.
  • Dunsteter, F.
  • Martin, J.C.
  • Sainte Catherine, M.C.

Abstract

The physical properties of nanocermets are related mostly to their morphology. In this contribution, we present the microstructural and morphological evolution of co-sputtered Pt Al2O3 granular films with thickness, metal concentration and thermal annealing. These investigations are achieved by grazing angle X-ray reflectometry, transmission electron microscopy and atomic force microscopy. The experimental results show that (i) the diameter of platinum clusters increases as a function of film thickness, annealing temperature and metal concentration and (ii) a columnar growth is observed whose morphology also depends on the previous parameters and on the growth direction.

Suggested Citation

  • Sella, C. & Mâaza, M. & Pardo, B. & Dunsteter, F. & Martin, J.C. & Sainte Catherine, M.C., 1997. "Microstructure and growth mechanism of Pt Al2O3 co-sputtered nanocermet films studied by SAXS, TEM and AFM," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 241(1), pages 192-198.
    • Handle: RePEc:eee:phsmap:v:241:y:1997:i:1:p:192-198
    DOI: 10.1016/S0378-4371(97)00082-4
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    Cited by:

    1. Nuru, Z.Y. & Arendse, C.J. & Mongwaketsi, N. & Gohshal, S.K. & Nkosi, M. & Maaza, M., 2015. "Effects of substrate temperatures on the thermal stability of AlxOy/Pt/AlxOy multilayered selective solar absorber coatings," Renewable Energy, Elsevier, vol. 75(C), pages 590-597.

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