Langmuir-Blodgett (LB) films of monodisperse iron oxide nanoparticles have been successfully deposited onto patterned poly(dimethylsiloxane) surfaces. These patterned LB films of iron oxide nanoparticles were transferred onto solid substrates using micro contact printing.

This letter presents a method for making nanopillar arrays of glassy carbon. Anodic aluminum oxide (AAO) nanopores on aluminum were used as templates and furfuryl alcohol (FFA)-based resin was used as filling precursor. The templates and nanopillars were characterized by field emission scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and powder X-ray diffraction (PXRD). It was found that the dimensions of the nanopores and the heating scheme of carbonization are important for making pillar arrays.

S2 1Àcaa measured 1Àcaa complete (1) was calculated from the axial ratio (c/a) measured , where c and a are the lattice parameters of the tetragonal phase, evaluated from FePt (001) and FePt (110) peaks. The axial ratio for fully ordered-L1 0 fct phase (c/a) complete for FePt is 0.9657. Magnetic properties were characterized at room temperature, in a Lake Shore 7400 vibrating samples magnetometry (VSM) instrument using applied magnetic fields up to 2000 mT. The hysteresis loops were measured on the nanoparticle films with the applied magnetic field both parallel (in-plane) and perpendicular (out-of-plane) to the substrate surface.