I–V characteristics and the spectrum width during electron tunneling through nanosandwiches W-WO2-(Au 147 − )-Al2O3-Al and Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd. Part I: Quantum-chemical calculation of energies of orbitals for anions of nanoclusters Au55 and Au147

I–V characteristics and the spectrum width during electron tunneling through nanosandwiches... This work is devoted to the investigation of electron tunneling through “magical” nanoclusters Au55 and Au147. Using the quantum-chemical calculation, it is shown that the energy of the highest occupied molecular orbital (HOMO) level is $${E_{HOMOAu5{5^ - }}} = - 3.2eV$$ and E HOMOAu147 = −4.4 eV, respectively. It is established that the difference between energy E LUMO − of the lowest unoccupied level LUMO and energy E LUMO − for the anions of clusters (Au 55 − and Au 147 − ) is 0.86 and 0.24 eV, respectively. Based on the results of the calculations, it is assumed that nanosandwiches W-WO2-(Au 147 − )-Al2O3-Al can be promising structures for implementation of metal nanodiodes based on them, while nanosandwiches Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd can be promising for implementation of energy filters not producing hot electrons and allowing the fabrication of the ring Aharonov-Bohm interferometers based on normal metals at liquid-helium temperatures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Microelectronics Springer Journals

I–V characteristics and the spectrum width during electron tunneling through nanosandwiches W-WO2-(Au 147 − )-Al2O3-Al and Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd. Part I: Quantum-chemical calculation of energies of orbitals for anions of nanoclusters Au55 and Au147

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/lp/springer_journal/i-v-characteristics-and-the-spectrum-width-during-electron-tunneling-lt0X2RX4N0
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/S1063739712020102
Publisher site
See Article on Publisher Site

Abstract

This work is devoted to the investigation of electron tunneling through “magical” nanoclusters Au55 and Au147. Using the quantum-chemical calculation, it is shown that the energy of the highest occupied molecular orbital (HOMO) level is $${E_{HOMOAu5{5^ - }}} = - 3.2eV$$ and E HOMOAu147 = −4.4 eV, respectively. It is established that the difference between energy E LUMO − of the lowest unoccupied level LUMO and energy E LUMO − for the anions of clusters (Au 55 − and Au 147 − ) is 0.86 and 0.24 eV, respectively. Based on the results of the calculations, it is assumed that nanosandwiches W-WO2-(Au 147 − )-Al2O3-Al can be promising structures for implementation of metal nanodiodes based on them, while nanosandwiches Nd-Nd2O3-(Au 55 − )-Nd2O3-Nd can be promising for implementation of energy filters not producing hot electrons and allowing the fabrication of the ring Aharonov-Bohm interferometers based on normal metals at liquid-helium temperatures.

Journal

Russian MicroelectronicsSpringer Journals

Published: Mar 28, 2012

References

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