Activity: Talk or presentation types › Oral presentation
Formation mechanism of Fe nanocubes in magnetron sputtering inert gas condensation chamber was reported previously . In the recent study , considering that nucleation happens within a short distance from the sputtering target, we utilize the highpermeability and resultant screening effect induced by magnetic Fe targets of various thicknesses to manipulate the magnetic field configuration and plasma confinement. We can switch from bimodal to single-Gaussian size distributions of Fe nanocubes by modifying their primordial thermal environments, as explained by a combination of modelling methods. Simultaneously, we obtain a material yield increase of more than one order of magnitude compared to experiments using post-growth mass filtration. We further demonstrate the unprecedented NO2 detection performance for Fe-based chemoresistive gas sensors by the deposition of Fe nanocubes on microhotplate devices.