Figure 5.

Left: the Raman spectrum of the sample prepared at the 10.48-μm wavelength and 51.2 W/cm2 power density with a SEM micrograph in the inset showing the morphology. Right: the corresponding XRD spectrum with the histogram of the diameters of a selection of the nanostructures of the corresponding SEM micrograph in the inset. The Raman and XRD suggest a monoclinic phase WO3.

Govender et al. Nanoscale Research Letters 2011 6:166   doi:10.1186/1556-276X-6-166
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