PoisSolver: a Tool for Modelling Silicon Dangling Bond Clocking Networks

24 Feb 2020 · Chiu Hsi Nien The University of British Columbia, Ng Samuel S. H. The University of British Columbia, Retallick Jacob The University of British Columbia, Walus Konrad The University of British Columbia ·

Advancements in the fabrication of silicon dangling bonds (SiDBs) reveal a potential platform for clocked field coupled nanocomputing structures. This work introduces PoisSolver, a finite element simulator for investigating clocked SiDB systems in the SiQAD design tool. Three clocking schemes borrowed from prior work on quantum-dot cellular automata are examined as potential building blocks for a general clocking framework for SiDB circuits. These clocking schemes are implemented in SiQAD, and power estimates are performed with geometrically agnostic methods to characterise each clocking scheme. Clocking schemes using a 14 nm technology node are found to dissipate 10-100 uW cm-2 at 1 GHz and 1-10 W cm-2 at 1 THz.

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PoisSolver: a Tool for Modelling Silicon Dangling Bond Clocking Networks

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