Abstract
Single-crystalline Ge nanowires covered with amorphous carbon were synthesized by usingGeO2 as the Ge source and reacting it with a mixed gas ofC2H4 and NH3 at 750 °C. Electron microscopy studies show that the nanowires have a diameter distribution rangingfrom 15 to 50 nm and a length up to tens of micrometres. The growth mechanism of the Genanowires could be attributed to the well known vapour–liquid–solid (VLS) catalyticgrowth process promoted by nanoparticles attached at the end of the nanowires.
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