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Title page for ETD etd-07012003-121454

Type of Document Master's Thesis
Author Isaksen, Beth Claire
URN etd-07012003-121454
Title Molecular Quantum-Dot Cellular Automata
Degree Master of Science in Electrical Engineering
Department Electrical Engineering
Advisory Committee
Advisor Name Title
Craig S. Lent Committee Member
Gary H. Bernstein Committee Member
Gregory L. Snider Committee Member
  • molecular electronics
  • nanotechnology
  • quantum dot
Date of Defense 2003-06-23
Availability unrestricted
Quantum-dot cellular automata (QCA) is an approach to computing which eliminates the need for transistors by representing binary digits as charge configurations rather than current levels. Coulomb interactions provide device-device coupling without current flow. Molecular QCA uses redox sites of molecules as quantum dots. Clocked control of the device allows power gain, control of power dissipation, and pipelined computation. We present ab initio analyses of both clocked and unclocked molecular QCA cells. We compare the results of calculations using several different levels of theory. We examine the role of the relaxation of the nuclear coordinates. We show how simple molecular QCA devices can be implemented.
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