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Determination of miscibility in MgO-ZnO nanocrystal alloys by x-ray absorption spectroscopy
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10.1063/1.3671987
/content/aip/journal/apl/99/26/10.1063/1.3671987
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/26/10.1063/1.3671987

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Measured (a) Mg K-edge, (b) Zn K-edge XANES spectra of MZO nanocrystals and simulated (c) Mg K-edge, (d) Zn K-edge XANES spectra of MZO. The number labeled on each spectrum is the Mg mole fraction (x). For the measured spectra of the mixed phase samples, the linear combination fits are shown using dashed lines.

Image of FIG. 2.
FIG. 2.

(Color online) Phase fractions of samples with different Mg contents (x) as determined by XANES (solid curve) and XRD (dashed curve). The area under (above) the thick black curve represents the fraction of RS (WZ) determined by XANES. For example, at x = 0.50, the RS fraction is 0.72 and WZ is 0.28. The shadings indicate the cation compositions (magenta (darker) = Mg and green (lighter) = Zn) in each phase.

Tables

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Table I.

Rocksalt phase fractions of MgxZn1 − xO nanocrystal alloys obtained by XANES (FXANES) and XRD (FXRD). f Mg and f Zn are the partial phase fractions of Mg and Zn in 6-fold coordination, indicating the fraction of Mg and Zn in RS phase, measured by using Mg and Zn K-edge XANES, respectively.

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/content/aip/journal/apl/99/26/10.1063/1.3671987
2011-12-27
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Determination of miscibility in MgO-ZnO nanocrystal alloys by x-ray absorption spectroscopy
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/26/10.1063/1.3671987
10.1063/1.3671987
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