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Structural and optical investigations of periodically polarity inverted ZnO heterostructures on (0001)
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10.1063/1.3114989
/content/aip/journal/apl/94/14/10.1063/1.3114989
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/14/10.1063/1.3114989
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Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of overall processes to fabricate the periodically polarity inverted ZnO structure. (a) LT ZnO growth on the Zn preexposed CrN buffer. (b) Formation of stripe patterning on the LT ZnO along the direction. (c) 1D patterned ZnO/CrN after the RIE, which results in the opening of the substrate. (d) ZnO regrowth, which results in the Zn polar on the CrN and the O-polar ZnO on the .

Image of FIG. 2.
FIG. 2.

(a) High resolution TEM micrograph for the detailed structure showing the Zn-polar ZnO on the CrN layer and the O-polar ZnO on the sapphire. (b) Magnified image for the region around the IDB and schematic representation of an IDB in PPI ZnO structure.

Image of FIG. 3.
FIG. 3.

spectra obtained from the Zn-polar, O-polar, and interfacial regions in the PPI ZnO structure. The inset shows PL image in PPI ZnO.

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/content/aip/journal/apl/94/14/10.1063/1.3114989
2009-04-07
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Structural and optical investigations of periodically polarity inverted ZnO heterostructures on (0001) Al2O3
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/14/10.1063/1.3114989
10.1063/1.3114989
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