화학공학소재연구정보센터
Thin Solid Films, Vol.281-282, 368-371, 1996
Electron-Transport in Percolating Gold-Films
Thin gold films with thicknesses below t=10 nm condensed at T=300 K onto amorphous carbon layers exhibit large channel structures which increase in size approaching the percolation threshold for p>p(c). The topographies of the percolating films show fractal properties as obtained from direct analysis of electron micrographs. For the same films we carried out magnetoresistance (MR) measurements at low temperatures (50 mK10 nm). For both films we find the phase coherence length below 0.5 K to be temperature independent which we interpret as arising from spin scattering at magnetic impurities.