Driving Ge island ordering on nanostructured Si surfaces
Sgarlata, Anna, Persichetti, Luca, Capasso, Andrea, Fanfoni, Massimo, Motta, Nunzio, & Balzarotti, Adalberto (2011) Driving Ge island ordering on nanostructured Si surfaces. Nanoscience and Nanotechnology Letters, 3(6), pp. 841-849.
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Semiconductor epitaxial nanostructures have been recently proposed as the key building blocks of many innovative applications in materials science and technology. To bring their tremendous potential to fruition, a fine control of nanostructure size and placement is necessary. We present a detailed investigation of the self-ordering process in the prototype case of Ge/Si heteroepitaxy. Starting from a bottom-up strategy (step-bunching instabilities), our analysis moves to lithographic techniques (scanning tunneling lithography, nanomechanical stamping, focused ion beam patterning) with the aim of developing a hybrid approach in which the exogenous intervention is specifically designed to suit and harness the natural self-organization dynamics of the system.
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|Item Type:||Journal Article|
|Keywords:||Self-assembly, Lithography, Heteroepitaxy, Quantum Dots, Ge-Si, STM|
|Subjects:||Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanofabrication Growth and Self Assembly (100706)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomanufacturing (100707)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomaterials (100708)
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright © 2011 American Scientific Publishers All rights reserved|
|Deposited On:||21 Feb 2012 23:12|
|Last Modified:||26 Feb 2012 05:40|
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