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A Two-Stage Shift Register for Clocked Quantum-Dot Cellular Automata

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Abstract:

Quantum-Dot Cellular Automata (QCA) is a computational scheme utilizing the position of interacting single electrons within arrays of quantum dots ("cells") to encode and process binary information. Clocked QCA architectures can provide power gain, logic level restoration, and memory features. Using arrays of micron-sized metal dots, we experimentally demonstrate operation of a QCA latch-inverter and a two-stage shift register.

Keywords: METAL DOTS; QUANTUM-DOT CELLULAR AUTOMATA; TWO-STAGE SHIFT REGISTER

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2002.109

Affiliations: Department of Electrical Engineering, University of Notre Dame, Notre Dame, Indiana, USA

Publication date: 2002-07-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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