| Scientists polish diamond transistors (liquid molybdenum) |
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| Written by PCPro | |
| Wednesday, 12 April 2006 | |
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"The key to getting the diamonds to connect is an application of liquid molybdenum. Diamond vapour at 900°C is poured to form a wafer on top of which more of the vapour, 'doped' with nitrogen, forms a second layer. Liquid molybdenum is then deposited to form the contacts before the whole thing is topped with more diamond, mixed with hydrogen so that it does not bond with the molybdenum contacts. These contacts therefore poke through the surface to make connector electrodes. The inventors believe that the transistors may be ideally suited for implanting in living tissue." |
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