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Bandgap tuning in highly c-axis oriented Zn1−xMgxO thin films
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/content/aip/journal/apl/102/22/10.1063/1.4809575
2013-06-04
2014-10-23

Abstract

We propose Mg doping in zinc oxide (ZnO) films for realizing wider optical bandgap in highly -axis oriented Zn Mg O (0 ≤ x ≤ 0.3) thin films. A remarkable enhancement of 25% in the bandgap by 30% Mg doping was achieved. The bandgap was tuned between 3.25 eV (ZnO) and 4.06 eV (Zn Mg O), which was further confirmed by density functional theory based simulation employing a combined generalized gradient approximation with scissor corrections. The change of stress and crystallite size in these films were found to be the causes for the observed blueshift in the bandgap.

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Scitation: Bandgap tuning in highly c-axis oriented Zn1−xMgxO thin films
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/22/10.1063/1.4809575
10.1063/1.4809575
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