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Studies of Intersubband Transitions in Arrays of Bi Nanowire Samples Using Optical Transmission

Published online by Cambridge University Press:  15 March 2011

M. R. Black ,
K. R. Maskaly ,
O. Rabin ,
Y. M. Lin ,
S. B. Cronin ,
M. Padi ,
Y. Fink  and
M. S. Dresselhaus
M. R. Black
Affiliation:
Department of EECS, Massachusetts Institute of Technology, Cambridge, MA
K. R. Maskaly
Affiliation:
Department of Material Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA
O. Rabin
Affiliation:
Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA
Y. M. Lin
Affiliation:
Department of EECS, Massachusetts Institute of Technology, Cambridge, MA
S. B. Cronin
Affiliation:
Department of Physics, Massachusetts Institute of Technology, Cambridge, MA
M. Padi
Affiliation:
Department of Physics, Massachusetts Institute of Technology, Cambridge, MA
Y. Fink
Affiliation:
Department of Material Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA
M. S. Dresselhaus
Affiliation:
Department of EECS, Massachusetts Institute of Technology, Cambridge, MA Department of Physics, Massachusetts Institute of Technology, Cambridge, MA
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Abstract

This paper reports the fabrication of large diameter pores (> 150 nm) in anodic aumina that can be used to create wire arrays with significant surface effects, but without significant quantum confinement. These wires, therefore, allow us to distinguish between optica absorption spectra features originating from quantum effects and those from surface effects. The paper presents techniques towards fabricating these bismuth wire arrays, and presents optical absorption data from two bismuth nanowire arrays in the semimeta-semiconductor transition diameter regime. The results from previous publications are summarized and future directions are outlines.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 703: Symposia U/V – Nanophase and Nanocomposite Materials IV , 2001 , V10.9
Copyright
Copyright © Materials Research Society 2002

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References

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