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|Type:||Artigo de periódico|
|Title:||Enhanced Eshelby Twist On Thin Wurtzite Inp Nanowires And Measurement Of Local Crystal Rotation|
|Abstract:||We have performed a detailed study of the lattice distortions of InP wurtzite nanowires containing an axial screw dislocation. Eshelby predicted that this kind of system should show a crystal rotation due to the dislocation induced torque. We have measured the twisting rate and the dislocation Burgers vector on individual wires, revealing that nanowires with a 10-nm radius have a twist up to 100% larger than estimated from elasticity theory. The strain induced by the deformation has a Mexican-hat-like geometry, which may create a tube-like potential well for carriers. © 2011 American Physical Society.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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