Time-resolved ultrathin cobalt film growth on a colloidal polymer template.
Cobalt (Co) sputter deposition onto a colloidal polymer template is investigated using grazing incidence small-angle X-ray scattering (GISAXS), scanning electron microscopy (SEM), and atomic force microscopy (AFM). SEM and AFM data picture the sample topography, GISAXS the surface and near-surface film structure. A two-phase model is proposed to describe the time evolution of the Co growth. The presence of the colloidal template results in the correlated deposition of an ultrathin Co film on the sample surface and thus in the creation of Co capped polystyrene (PS) colloids. Well below the percolation threshold, the radial growth is restricted and only height growth is observed.
HASYLAB-DESY, Notkestr. 85, 22607 Hamburg, Germany. adeline.buffet@desy.de
Adeline
A
Buffet
Mottakin M
MM
Abul Kashem
Kai
K
Schlage
Sébastien
S
Couet
Ralph
R
Röhlsberger
André
A
Rothkirch
Gerd
G
Herzog
Ezzeldin
E
Metwalli
Robert
R
Meier
Gunar
G
Kaune
Monica
M
Rawolle
Peter
P
Müller-Buschbaum
Rainer
R
Gehrke
Stephan V
SV
Roth