Clocked Quantum-dot Cellular Automata circuits

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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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Journal: TechConnect Briefs
Volume: 2, Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 2
Published: February 23, 2003
Pages: 149 - 152
Industry sectors: Advanced Materials & Manufacturing | Sensors, MEMS, Electronics
Topics: Nanoelectronics
ISBN: 0-9728422-1-7