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Size-dependent modifications of the Raman spectrum of rutile
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10.1063/1.2364123
/content/aip/journal/apl/89/16/10.1063/1.2364123
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2364123
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Sample XRD spectra of nc-rutile . The average crystallite sizes (in nanometers) of the samples are indicated. The short vertical bars at the bottom denote XRD positions of bulk rutile.

Image of FIG. 2.
FIG. 2.

(Color online) Raman spectra of rutile . The average crystallite sizes (in nanometers) of the samples are marked.

Image of FIG. 3.
FIG. 3.

(Color online) Eight-peak fit of the Raman spectrum obtained in the range of from a rutile . The first-order Raman modes and their symmetries are indicated. The broad features at ca. 237, 355, 541, and are positioned approximately where combination bands are seen in the bulk rutile spectrum (Ref. 17).

Image of FIG. 4.
FIG. 4.

(Color online) Crystallite-size-dependent variation of the Raman frequency relative to bulk value. The open squares represent nc-rutile (Ref. 30), solid diamonds represent rutile samples of this study, and the solid curve is a phonon confinement model prediction for rutile (Refs. 12 and 30).

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/content/aip/journal/apl/89/16/10.1063/1.2364123
2006-10-18
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size-dependent modifications of the Raman spectrum of rutile TiO2
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2364123
10.1063/1.2364123
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