Can secondary nucleation exist in ice banding of freezing colloidal suspensions?
You Jia-Xue1, Wang Jin-Cheng1, Wang Li-Lin2, Wang Zhi-Jun1, †, , Li Jun-Jie1, Lin Xin1, ‡,
       

Interface positions of supernatant (red dotted line) and suspensions (blue dotted line). Blue dotted line is the position at which a new ice lens initially emerges. The scale bar is 200 μm.