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Control of hole distribution through isovalent -cation substitution in superconductors
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10.1063/1.2431458
/content/aip/journal/apl/90/3/10.1063/1.2431458
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/3/10.1063/1.2431458
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

values for the samples plotted against the ionic radius , of the constituent.

Image of FIG. 2.
FIG. 2.

Representative example of the Cu -edge XANES spectra obtained for the samples (here ) and illustration of the fitting of the spectral features (in the area) into and components.

Image of FIG. 3.
FIG. 3.

Average valence of copper, , in the samples as estimated from the Cu -edge XANES spectra and plotted against .

Image of FIG. 4.
FIG. 4.

O -edge XANES spectra obtained for the samples (, Er, Ho, Y, Dy, and Gd).

Image of FIG. 5.
FIG. 5.

Variation of the relative intensities of the three pre-edge peaks in the O -edge XANES spectra of the samples plotted against : the peak (due to hole states at the apical oxygen site), the peak (due to hole states at the -double-chain and -plane oxygen sites), and the UHB peak (inversely proportional to the -plane hole states).

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/content/aip/journal/apl/90/3/10.1063/1.2431458
2007-01-19
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Control of hole distribution through isovalent R-cation substitution in Cu2Ba2RCu2O8 superconductors
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/3/10.1063/1.2431458
10.1063/1.2431458
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