Structural characterization and potential x-ray waveguiding of a small 
rolled-up nanotube with a large number of windings

Deneke, Ch.; Schmidt, O. G.

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Structural characterization and potential x-ray waveguiding of a small rolled-up nanotube with a large number of windings

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Deneke, Ch.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Schmidt, O. G.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;
Scientific Facility Nanostructuring Lab (Jürgen Weis), Max Planck Institute for Solid State Research, Max Planck Society;
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Deneke, C., & Schmidt, O. G. (2006). Structural characterization and potential x-ray waveguiding of a small rolled-up nanotube with a large number of windings. Applied Physics Letters, 89(12): 123121.

Cite as: https://hdl.handle.net/21.11116/0000-000F-0141-6

Abstract

The cross-section of an InGaAs/GaAs rolled-up nanotube with an average
inner diameter of 18 nm and with a large number of windings is prepared
by focused ion beam etching and investigated by transmission electron
microscopy. This technique provides useful information about the shape
and size of the inner as well as outer perimeter of the nanotube. The
measured cross-section geometry was used to calculate the mode
confinement for hard x-ray radiation inside the tube. The authors find
excellent confinement for the fundamental mode inside an idealized as
well as the realistic tube structure. Their results imply that
rolled-up nanotubes are promising candidates for x-ray waveguiding. (c)
2006 American Institute of Physics.