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Fabrication of wide-band-gap quasi-ternary alloys by molecular-beam epitaxy
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10.1063/1.1923762
/content/aip/journal/apl/86/19/10.1063/1.1923762
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/19/10.1063/1.1923762

Figures

Image of FIG. 1.
FIG. 1.

Variation of RHEED patterns of MgO on a ZnO buffer layer with the growth time. The growth rate of MgO was about .

Image of FIG. 2.
FIG. 2.

RHEED patterns of a MgZnO quasi-ternary alloy during the growth, that is, (about ) and (about ) after starting the growth, showing wurtzite structure throughout the growth.

Image of FIG. 3.
FIG. 3.

Cross-sectional TEM images of a MgZnO quasi-ternary alloy with a ( superlattice.

Image of FIG. 4.
FIG. 4.

An example of optical transmission spectrum of a MgZnO quasi-ternary alloy with wide band gap, in comparison to that of the MgZnO single layer of wurtzite structure and possessing the highest band-gap energy of .

Image of FIG. 5.
FIG. 5.

XRD spectra of MgZnO quasi-ternary alloys, in comparison to that of the MgZnO single layer of wurtzite structure and possessing the highest band-gap energy of .

Tables

Generic image for table
Table I.

Structures of superlattices and their band gaps determined from optical transmission spectra. The theoretical values of the band gaps calculated by using the Kronig–Penny model under the assumption of the band offset at as and the effective masses of wurtzite MgO as for electrons and for holes are also shown in the table for comparison.

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/content/aip/journal/apl/86/19/10.1063/1.1923762
2005-05-06
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fabrication of wide-band-gap MgxZn1−xO quasi-ternary alloys by molecular-beam epitaxy
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/19/10.1063/1.1923762
10.1063/1.1923762
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