Abstract:We grew prism faces of ice crystals heteroepitaxially on a {101̅ 0} CdSe wafer. Then, we observed the lateral growth of elementary spiral steps on prism faces in vapor by advanced optical microscopy. On prism faces, we found that outcrops of screw dislocations are mostly located in the interiors of prism faces and that distance L between adjacent spiral steps is uniform, whereas these two features are not observed on basal faces. We measured the velocity V step of elementary spiral steps on prism faces under v… Show more
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