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29 March 2024 |
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Article overview
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Surface Scattering and Band Gaps in Rough Nanowires and Waveguides | O. Dietz
; H.-J. Stöckmann
; U. Kuhl
; F. M. Izrailev
; N. M. Makarov
; J. Doppler
; F. Libisch
; S. Rotter
; | Date: |
16 May 2012 | Abstract: | The boundaries of nanowires and waveguides have drastic influence on their
transport properties. Designing the boundary profile is thus a promising
approach for transport and band-gap engineering with many applications. By
performing an experimental study of the transmission through waveguides we
demonstrate that a recently proposed surface scattering theory can be employed
to predict the measured transport properties from the boundary profiles and
vice versa. A new key ingredient of this theory is a scattering mechanism which
depends on the square gradient of the surface profiles. We demonstrate the
non-trivial effects of this scattering mechanism by detailed mode-resolved
microwave measurements and numerical simulations. | Source: | arXiv, 1205.3646 | Services: | Forum | Review | PDF | Favorites |
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