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Thermal conductivity of cubic and hexagonal mesoporous silica thin films
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10.1063/1.3182826
/content/aip/journal/jap/106/3/10.1063/1.3182826
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/3/10.1063/1.3182826

Figures

Image of FIG. 1.
FIG. 1.

(a) Normalized 1D-XRD intensity measurements for mesoporous thin films synthesized with Brij76 (cubic), P123 (cubic and hexagonal), and KLE (cubic); (b) 2D-SAXS patterns of a P123 cubic; and (c) a P123 hexagonal mesoporous silica thin film.

Image of FIG. 2.
FIG. 2.

SEM picture of (a) a KLE cubic and (b) a P123 hexagonal mesoporous silica thin film. (c) Zoomed out SEM picture of a P123 hexagonal mesoporous silica thin film on top of a silicon substrate.

Image of FIG. 3.
FIG. 3.

(a) Schematic and photograph of the metallic heater and contact pads and (b) electrical circuit used for the method (inspired from Ref. 36).

Image of FIG. 4.
FIG. 4.

Measured thermal conductivity of high quality thermal oxide dense films as a function of film thickness along with previously reported data (Refs. 53, 54, and 56).

Image of FIG. 5.
FIG. 5.

Comparison between the measured cross-plane thermal conductivity of cubic and hexagonal mesoporous silica thin films at room temperature as a function of film thickness along with previously reported data (Refs. 9 and 24).

Image of FIG. 6.
FIG. 6.

Comparison of the measured cross-plane thermal conductivity with the previously proposed nine models (Refs. 14, 32, and 52) and previously reported data for templated mesoporous (Refs. 9 and 24) and selected porous (Ref. 2) silica films. The experimental data were best fitted between the PWSM [Eq. (9)] and PWDM [Eq. (10)] models for (Refs. 2, 9, and 24).

Tables

Generic image for table
Table I.

Thermal conductivity of the synthesized cubic and hexagonal mesoporous amorphous silica thin films.

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/content/aip/journal/jap/106/3/10.1063/1.3182826
2009-08-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermal conductivity of cubic and hexagonal mesoporous silica thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/3/10.1063/1.3182826
10.1063/1.3182826
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