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This study explores the growth behavior of C60 magic islands observed through scanning tunneling microscopy (STM). It highlights how a significant 19.1° rotated C60 island on the left upper side acts as a strong sink, causing the adjacent island on the lower right to predominantly grow. The growth of the 56-mer is driven by the controlled switching of C60 flux, leading to the sequential formation of high-order magic islands. The results illustrate a stepped dependence of island size on C60 deposition time, offering insights into molecular growth dynamics.
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STM movies S2 Note that the “magic” C60 island grows predominantly from the right lower side due a presence of a huge 19.1o-rotated C60 island from its left upper side (which acts as a strong sink for mobile C60 molecules). When C60 flux is switched on, the 56-mer starts to grow through the successive formation of the high-order magic islands. This growth mode shows up in a stepped-like dependence of island size versus C60 deposition time.