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Effect of sulfurization conditions on structural and electrical properties of copper sulfide films
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10.1063/1.2903599
/content/aip/journal/jap/103/7/10.1063/1.2903599
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2903599
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns from various copper sulfide films obtained by the sulfurization of -thick Cu films on Si(001) substrates for various times. The reflections marked ● represent metal Cu peaks.

Image of FIG. 2.
FIG. 2.

SEM images of various copper sulfide films obtained by the sulfurization of initial Cu films for various times.

Image of FIG. 3.
FIG. 3.

S XPS spectra from various copper sulfide films formed by the sulfurization of initial Cu films for various times. The dark solid lines in the spectra represent the fitted peaks.

Image of FIG. 4.
FIG. 4.

atomic percentage ratio of various copper sulfide films as function of the sulfurization time of the initial Cu films.

Image of FIG. 5.
FIG. 5.

Resistivity of various copper sulfide films as function of their atomic percentage ratio.

Image of FIG. 6.
FIG. 6.

characteristics of various copper sulfide films formed by the sulfurization of initial Cu films for various times.

Image of FIG. 7.
FIG. 7.

Schematic illustration of (a) the creation and annihilation of a Cu filament within a copper sulfide film on the respective application of negative and positive biases to the W probe that touched the copper sulfide film, (b) the enhanced growth of a Cu filament due to the presence of excess Cu in the sulfurized mixed metallic Cu-chalcocite phased film, and (c) the highly retarded growth of a Cu cluster/filament due to the absence of excess Cu within the sulfurized chalcocite film.

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/content/aip/journal/jap/103/7/10.1063/1.2903599
2008-04-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of sulfurization conditions on structural and electrical properties of copper sulfide films
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2903599
10.1063/1.2903599
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