Nanoscale mapping of optical band gaps using monochromated Electron Energy Loss Spectroscopy

Zhan, Wei; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Johansen, Klaus Magnus H; Jensen, Ingvild Julie Thue; Kuznetsov, Andrej; Prytz, Øystein
Peer reviewed, Journal article
Accepted version
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URI
https://hdl.handle.net/11250/2719803
Date
2017
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Original version
10.1088/1361-6528/aa5962
Abstract
Using monochromated electron energy loss spectroscopy in a probe-corrected scanning transmission electron microscope we demonstrate band gap mapping in ZnO/ZnCdO thin films with a spatial resolution below 10 nm and spectral precision of 20 meV.
Publisher
IOP Science
Journal
Nanotechnology
Copyright
This is the accepted manuscript. The published article is available at: https://iopscience.iop.org/article/10.1088/1361-6528/aa5962