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Microspectroscopic detection of local conducting areas generated by electric-pulse-induced phase transition in films
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10.1063/1.2790830
/content/aip/journal/apl/91/13/10.1063/1.2790830
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/13/10.1063/1.2790830
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic diagram of the experimental setup; (b) the current-voltage characteristics at of two different samples having the same interelectrode gap. The LVS sample exhibits a transition to a high current state at about , while the HVS sample remains in a low current state up to .

Image of FIG. 2.
FIG. 2.

(Color online) Transport and optical properties of the LVS sample under the influence of a voltage pulse. (a) Time-dependent current curves at different voltages. (b) Time-resolved detector signal for regions of the selected sample area at . [(c)–(e)] Spatial distribution of the detector signal as a function of time at , 2.41, and .

Image of FIG. 3.
FIG. 3.

(Color online) Transport and optical properties of the HVS sample under the influence of a voltage pulse. (a) Time-dependent current curves at different voltages. (b) Time-resolved detector signal for regions of the selected sample area at . [(c)–(e)] Spatial distribution of the detector signal as a function of time at , 5, and .

Image of FIG. 4.
FIG. 4.

(Color online) Reflectivity spectra at five different positions with zero applied voltage at in the (a) LVS and (b) HVS samples. The inset in each figure displays the distribution of the reflectivity at , clearly demonstrating inhomogeneity in the LVS sample.

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/content/aip/journal/apl/91/13/10.1063/1.2790830
2007-09-26
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Microspectroscopic detection of local conducting areas generated by electric-pulse-induced phase transition in VO2 films
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/13/10.1063/1.2790830
10.1063/1.2790830
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