Figure 1: The metastable state and crystallization of a Bi nanodroplet. | Nature Communications

Figure 1: The metastable state and crystallization of a Bi nanodroplet.

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

Figure 1

(a,b) Sequential snapshots of HRTEM imaging showing the metastable state of the Bi nanodroplet. The blue arrows in b indicate the domains still retained in liquid phase. (c,d) Sequential snapshots of HRTEM imaging showing fast crystallization of the nanodroplet after the induction period. The insets show the corresponding FFT patterns of the nanoparticle. (e) Schematic illustration of the reversible freezing/melting of the Bi nanoparticle. The scale bar in a is 5 nm, which applies to ad. The time labels correspond to when the video snaps were taken.

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