Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/64971
Title: Phase diagrams for growing ordered heteroepitaxial quantum dots and quantum rings by surface prepatterning
Authors: Liu, P.
Zhang, Y.W. 
Lu, C.
Issue Date: 2007
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
URI: http://scholarbank.nus.edu.sg/handle/10635/64971
ISSN: 00036951
Appears in Collections:Staff Publications

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