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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > May  >
Symposium: Chemistry at the Nanometer Scale
Electrochemical Fabrication of Metallic Quantum Wires
Nongjian Tao
Department of Electrical Engineering and Center for Solid State Electronics Research, Arizona State University, Tempe, AZ 85287
Cover
May 2005
Vol. 82 No. 5
p. 720
Abstract
As materials shrink in size, quantum effects become increasingly important. One such phenomenon is conductance quantization in metal nanowires. These nanowires can be fabricated using relatively simple electrodeposition and etching methods, and the quantum phenomenon can be observed and studied in water or electrolytes at room temperature. We provide here an overview of basic quantum-transport concepts, such as the characteristic lengths and the transition between classical and quantum regimes when the materials dimensions are reduced below the characteristic lengths. We also describe how to fabricate such metal nanowires using electrochemical methods and discuss possible applications using the quantum wires.
More Information
*  Citation
 Tao, Nongjian. J. Chem. Educ. 2005 82 720.
*  Keywords
 Conductance Quantization*; Electrochemical Fabrication*; Quantum Point Contacts*; Quantum Wires*
*  History
 Created:
Last Updated:		 March 28, 2005
April 15, 2005
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