Current-voltage characteristic and the spectrum width of electrons tunneling through W-WO2-(Au 147 − )-Al2O3-Al and Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd nanosandwiches. Part II: Construction and analysis of 1D models for 3D nanosandwiches

Current-voltage characteristic and the spectrum width of electrons tunneling through W-WO2-(Au... This is the second part of the series of two articles devoted to the analysis of electron tunneling through magic nanoclusters of Au55 and Au147. Models of 1D projections of W-WO2-(Au 147 − )-Al2O3-Al and Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd 3D tunnel nanostructures are constructed with the use of the highest occupied molecular orbital (HOMO) levels $E_{HOMO^ - } $ of the anions of the nanoclusters of Au55 and Au147, and the potentials of Au, W, Al, and Nd atoms calculated in the first part of this study. The levels of the bottom of the potential wells of 1D structures are chosen so that they include resonance energy levels coinciding with the anion level $E_{HOMO^ - } $ for an appropriate 3D structure (Au 147 − or Au 55 − ). With regard to the potentials in the structures of a nanocapacitor and the image forces, the current-voltage characteristic (CVC) and the width of the resonance peak in the spectrum of tunneling electrons are calculated as a function of the potential difference across the external electrodes of metal-metal nanodiodes. A scheme of a hypothetical high-frequency nanoscale metal transistor is proposed that is based on a cluster of Au147 that does not produce hot electrons. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Microelectronics Springer Journals

Current-voltage characteristic and the spectrum width of electrons tunneling through W-WO2-(Au 147 − )-Al2O3-Al and Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd nanosandwiches. Part II: Construction and analysis of 1D models for 3D nanosandwiches

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Engineering; Electrical Engineering
ISSN
1063-7397
eISSN
1608-3415
D.O.I.
10.1134/S1063739712030092
Publisher site
See Article on Publisher Site

Abstract

This is the second part of the series of two articles devoted to the analysis of electron tunneling through magic nanoclusters of Au55 and Au147. Models of 1D projections of W-WO2-(Au 147 − )-Al2O3-Al and Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd 3D tunnel nanostructures are constructed with the use of the highest occupied molecular orbital (HOMO) levels $E_{HOMO^ - } $ of the anions of the nanoclusters of Au55 and Au147, and the potentials of Au, W, Al, and Nd atoms calculated in the first part of this study. The levels of the bottom of the potential wells of 1D structures are chosen so that they include resonance energy levels coinciding with the anion level $E_{HOMO^ - } $ for an appropriate 3D structure (Au 147 − or Au 55 − ). With regard to the potentials in the structures of a nanocapacitor and the image forces, the current-voltage characteristic (CVC) and the width of the resonance peak in the spectrum of tunneling electrons are calculated as a function of the potential difference across the external electrodes of metal-metal nanodiodes. A scheme of a hypothetical high-frequency nanoscale metal transistor is proposed that is based on a cluster of Au147 that does not produce hot electrons.

Journal

Russian MicroelectronicsSpringer Journals

Published: May 4, 2012

References

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