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Energy band alignment at the nanoscale

Deuermeier, Jonas ; Fortunato, Elvira ; Martins, Rodrigo ; Klein, Andreas (2017):
Energy band alignment at the nanoscale.
In: Applied Physics Letters, 110 (5), pp. 051603. American Institute of Physics, ISSN 00036951,
[Article]

Abstract

The energy band alignments at interfaces often determine the electrical functionality of a device. Along with the size reduction into the nanoscale, functional coatings become thinner than a nanometer. With the traditional analysis of the energy band alignment by in situ photoelectron spectroscopy, a critical film thickness is needed to determine the valence band offset. By making use of the Auger parameter, it becomes possible to determine the energy band alignment to coatings, which are only a few Angstrom thin. This is demonstrated with experimental data of Cu2O on different kinds of substrate materials.

Item Type: Article
Erschienen: 2017
Creators: Deuermeier, Jonas ; Fortunato, Elvira ; Martins, Rodrigo ; Klein, Andreas
Title: Energy band alignment at the nanoscale
Language: English
Abstract:

The energy band alignments at interfaces often determine the electrical functionality of a device. Along with the size reduction into the nanoscale, functional coatings become thinner than a nanometer. With the traditional analysis of the energy band alignment by in situ photoelectron spectroscopy, a critical film thickness is needed to determine the valence band offset. By making use of the Auger parameter, it becomes possible to determine the energy band alignment to coatings, which are only a few Angstrom thin. This is demonstrated with experimental data of Cu2O on different kinds of substrate materials.

Journal or Publication Title: Applied Physics Letters
Journal Volume: 110
Issue Number: 5
Publisher: American Institute of Physics
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Surface Science
DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > D - Component properties
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > D - Component properties > Subproject D3: Function and fatigue of oxide electrodes in organic light emitting diodes
Date Deposited: 06 Feb 2017 15:27
URL / URN: http://dx.doi.org/10.1063/1.4975644
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