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, ‡,
       

Ice banding during freezing alumina suspensions with mean diameter d = 50 nm, initial volume fraction ϕ0 = 9.74%, temperature gradient G = 7.23 K/cm and pulling speed V = 16 μm/s. The scale bar is 200 μm.