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|Title:||Phase diagrams for growing ordered heteroepitaxial quantum dots and quantum rings by surface prepatterning|
|Citation:||Liu, P., Zhang, Y.W., Lu, C. (2007). Phase diagrams for growing ordered heteroepitaxial quantum dots and quantum rings by surface prepatterning. Applied Physics Letters 90 (7) : -. ScholarBank@NUS Repository.|
|Abstract:||Three-dimensional computer simulations are performed to obtain the phase diagrams for heteroepitaxially grown ordered quantum dots and quantum rings by surface prepatterning. Concave patterning in a squared array may lead to the formation of ordered dots, whereas convex patterning in a squared array may initially lead to the formation of ordered quantum rings, then a transition into quantum dots with further growth. The evolution of the surface chemical potential during growth explains the formation of the ordered surface structures. © 2007 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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