Nano Science and Technology Institute
Nanotech 2003 Vol. 2
Nanotech 2003 Vol. 2
Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 2
Chapter 4: Nano Electronics

Clocked Quantum-dot Cellular Automata circuits

Authors:R. Kummamurui, A. Orlov, C. Lent, G. Bernstein and G. Snider
Affilation:University of Notre Dame, US
Pages:149 - 152
Keywords:quantum-dot celular qutomata, single-electron logic devices
Abstract:We present an experimental demonstration of novel Quantum-dot Cellular Automata (QCA) circuits utilizing clocked architecture -a QCA latch and a two-bit QCA shift register. Devices are fabricated using metal tunnel junction technology and operate at low temperature. The operation of the circuits is demonstrated, and sources and methods of lowering of the digital errors are analysed. discussed. Future generations of the QCA devices based on molecular electronics are discussed. Much higher operational speeds with low levels of digital errors are expected.
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