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April 21st, 2006

Theoretical Analysis of Diamond Mechanosynthesis

The paper was published in February 2006 in the peer-reviewed Journal of Computational and Theoretical Nanoscience. It reports that the most-studied mechanosynthesis tooltip motif (DCB6Ge) successfully places a C2 carbon dimer on a C(110) diamond surface at both 300K (room temperature) and 80K (liquid nitrogen temperature), and that the silicon variant (DCB6Si) also works at 80K but not at 300K. Maximum acceptable limits for tooltip translational and rotational misplacement errors are reported in the paper. Over 100,000 CPU hours were invested in this study. The DCB6 tooltip motif, initially described at a Foresight Conference in 2002, was the first complete tooltip ever proposed for diamond mechanosynthesis and remains the only tooltip motif that has been successfully simulated for its intended function on a full 200-atom diamond surface. (PDF)


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