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Aram Yoon, Jun Young Park, Jong-Myeong Jeon, Yigil Cho, Jun Beom Park, Gyu-Chul Yi, Kyu Hwan Oh, Heung Nam Han and Miyoung Kim Geometry-Induced Dislocations in Coaxial Heterostructural Nanotubes Small 9

Version of Record online: 11 FEB 2013 | DOI: 10.1002/smll.201202051

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Highly localized dislocations in GaN/ZnO hetero-nanostructures are generated from the residual strain field by lattice mismatches at two interfaces: between the substrate and hetero-nanostructures, and between the ZnO core and GaN shell. The local strain field is measured using tranmission electron microscopy, and the relationship between the nanostructure morphology and the highly localized dislocations is analyzed by a finite element method.

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