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Russian Microelectronics

, Volume 41, Issue 2, pp 122–131 | Cite as

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

  • V. A. Zhukov
  • V. G. Maslov
Article

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.

Keywords

Quantum Chemical Calculation High Occupied Molec Ular Orbital RUSSIAN Microelectronics Electron Tunneling Atomic Potential 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  1. 1.St. Petersburg Institute of Information Science and AutomationRussian Academy of SciencesSt. PetersburgRussia
  2. 2.St. Petersburg State University of Information Technologies, Mechanics, and OpticsSt. PetersburgRussia

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