Table 1 Nucleus coalescence kinetics in the 5square → 4triangle transition

From: In situ observation of coalescence of nuclei in colloidal crystal-crystal transitions

Type

1

2

3

4, 5

Location

Inside domain

Inside domain

Inside domain

On low- or high-angle GB

Nucleation mechanism

Marternsitic

Diffusive

Martensitic and diffusive

Diffusive

Lattice orientation

Parallel

Angled

Angled

Random

Nucleus coupling

Via distortion of parent lattice

Via distortion of parent lattice

Small one melts accompanied by movement

By growth through GB

Example

Fig. 1

Fig. 2

Fig. 3

Fig. 4 or 5

  1. The nucleation mechanisms were previously reported in ref. 12,13. In addition to the five types of coalescence between two crystalline nuclei, coalescence also occurs between a crystalline nucleus and a liquid one(Supplementary Fig. 5), which has three stages similar to those shown in Fig. 6.
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