Christoph Schoendorfer

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Ion beams focused to diameters in the range of several tens of nanometers offer an interesting opportunity for maskless processing in the nanoscale regime. Under certain sputter conditions a periodic height modulation in the form of ripples and dots on a submicron length scale develops during broad beam ion exposure as observed for semiconductor materials(More)
In this paper the formation of antimony (Sb) nanowires (NWs) by a focused Ga ion beam approach and their gas sensing capability is reported. The NWs with uniform diameters of only 25 nm and lengths up to several microns are synthesized at predefined positions at room temperature in an ion beam induced self-assembling process. Then individual Sb-NWs are(More)
Several techniques for the production of various types of nanowires have been reported, such as thermal gas decomposition or laser ablation of powder targets. Most of them are based on the Vapor-Liquid-Solid (VLS) mechanism, in which metal droplets catalytically enhance the growth of nanowires [3]. The liquid alloy cluster serves as a preferential site for(More)
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