Scientists observe nanowires as they grow

Nanoforest: Nanowires on a silicon wafer as recorded at the DESY NanoLab. Source: DESY, Satishkumar Kulkarni/Thomas Keller

Study principle: Small thin nanowires grow on a silicon wafer after bombardment of gallium droplets with gallium and arsenic. Growth can be monitored with the help of X-rays. The fully grown nanowires were examined by electron microscopy (background). Source: Philipp Schroth, KIT