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

Published online by Cambridge University Press:  21 March 2011

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

This paper reports the fabrication of large diameter pores (> 150nm) in anodic alumina 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 optical absorption spectra features originationg from quantum effects and those from surface effects. The paper presents techniques towards fabrication these bismuth wire arrays, and presents optical absorption data from two bismuth namowire arrays in the semimetal-semiconductor transition diameter regime. The results from previous publications are summarized and future directions are outlined.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 707: Symposium AA – Self-Assemble Processes in Materials , 2001 , AA8.9.1/V10.9.1
Copyright
Copyright © Materials Research Society 2002

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References

REFERENCES

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