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Time-resolved visualization of the heat flow in films
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10.1063/1.2437086
/content/aip/journal/apl/90/5/10.1063/1.2437086
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2437086
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Temperature-dependent reflectivity spectra in the midinfrared region obtained during the heating process. The inset shows the temperature-dependent change of the integrated reflectivity, , which monotonically increases with temperature.

Image of FIG. 2.
FIG. 2.

(a) Schematic diagram of the experimental setup. (b) Visual image of the film with gold electrodes. The dotted area corresponds to the mapping region. A aperture size used for these measurements is indicated as an open square. (c) The current curve with a voltage amplitude of . (d) The time-resolved MCT signal, , for the regions along the square trace shown in (b).

Image of FIG. 3.
FIG. 3.

Mapping data of the MCT detector signal, , [(a)–(c)] and the temperature modeled [(d)–(f)] for , 30, and for the area enclosed by the dotted line in Fig. 2(b).

Image of FIG. 4.
FIG. 4.

Line scan curves for the MCT detector signal, , and the temperature profiles calculated for the area along the trace in Fig. 2(b) at , 30, and by using the reflection mode with a aperture (a) and the transmission mode with a aperture (b). Electric powers applied in each case are 0.9 and .

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/content/aip/journal/apl/90/5/10.1063/1.2437086
2007-01-30
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Time-resolved visualization of the heat flow in VO2∕Al2O3 films
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2437086
10.1063/1.2437086
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