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Nano semiconductor doped aluminum greatly improve the electrical conductivity

Source: Time:2013-05-17 19:36:31 views:

Nano electronics and a step forward. A German Max involved in international research team at the Max Planck institute for physics institute of microstructure found a can be used to make very strong conductivity of silicon nanowires effect: using aluminum as a catalyst to generate this kind of nanowires. The scientists found that the silicon absorption in the process of the aluminum, greatly exceeded their expectations. Doped high aluminum content, improved the electrical conductivity of the nanowires. This effect can be used to manufacture other high doping nano material l.

The scientists found that when silicon absorption of aluminum can even 10000 times better than the laws of thermodynamics allows. According to the laws of thermodynamics, silicon crystal by doping was replaced by the aluminum atoms of atomic number less than one over one million. But, in fact, the atom probe tomography, the team of scientists found that they are made of aluminum doped silicon nanowire aluminum content up to about 4%, and aluminum atoms distribution is very uniform.

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