Reviews
Reviews
H. Martin Hövel
Elektrodynamik dünner Metallfilme am Isolator-Metall-Übergang
Physik
Review
ETDE - Energy Database-production no.: DE11G3763, 02.09.2011
Aim of this thesis was to study films near the percolation limit and over a wide spectral range. For this under UHV conditions thin gold layers were deposited on a silicon substrate with a 200 nm thick SiO{sub 2} layer. The layer densities of the gold films evaporated with a rate of 0.9 Aa/min vary in a small range around the percolation limit. By means of a simultaneous fit to the reflection, transmission, ellipsometry, and DC conductivity measurements the properties of the gold films could be determined over the whole frequency range from DC to the ultraviolet. By this near the percolation limit a dielectric anomaly was observed, which influences strongly the optical behaviour of the gold layers.
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