Figure 4: Quantifying the phase transitions of the nanoparticle. | Nature Communications

Figure 4: Quantifying the phase transitions of the nanoparticle.

From: In situ study on atomic mechanism of melting and freezing of single bismuth nanoparticles

Figure 4

The amount of crystalline order was measured from the integrated profiles taken from the 2D FFT images. The 2D FFT images in Figs 2 and 3 were transformed to FFT spectra by the Fit2D program (see details in Supplementary Fig. 9). The distinctive peaks on the integrated profiles were produced by pixel intensities of the spots in the FFT patterns. (a,b) The intensity of the left-most peak in the integrated profile, I, corresponds to the time labels in Figs 2 and 3, respectively.

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