Physics – Condensed Matter – Materials Science
Scientific paper
2008-03-27
JOURNAL OF APPLIED PHYSICS 103, 063511 (2008)
Physics
Condensed Matter
Materials Science
15 pages, 8 figures
Scientific paper
10.1063/1.2895005
Amorphous chalcogenide thin film deposition can be achieved by a spin-coating technique from proper solutions of the corresponding glass. Films produced in this way exhibit certain grain texture, which is presumably related to the cluster size in solution. This paper deals with the search of such a correlation between grain size of surface morphology of as-deposited spin-coated As33S67 chalcogenide thin films and cluster size of the glass in butylamine solutions. Optical absorption spectroscopy and dynamic light scattering were employed to study optical properties and cluster size distributions in the solutions at various glass concentrations. Atomic force microscopy is used to study the surface morphology of the surface of as-deposited and thermally stabilized spin-coated films. Dynamic light scattering revealed a concentration dependence of cluster size in solution. Spectral-dependence dynamic light scattering studies showed an interesting athermal photo-aggregation effect in the liquid state.
Chrissanthopoulos A.
Frumar M.
Kohoutek T.
Kostadinova O.
Wagner Th.
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