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

  • M.R. Black (a1), K. R. Maskaly (a2), O. Rabin (a3), Y. M. Lin (a1), S. B. Cronin (a4), M. Padi (a4), Y. Find (a2) and M.S. Dresselhaus (a4)...

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.

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[1] Zhang, Sun, M.S. Phys. Rev B 48
[3] Black, M.R., Padi, M., Croni, S.B.
[4] Rabin, O., Lin, Y., Cronin, S., and Dresselhaus, M.S.. to be published.
[5] Sulliv, JP.
[6] Feiyue K
[7] Li, A.P., Mul, F.
[8] Agminas, Bigelience, D., Mikul, I.
[9] Masuda, Hideki and Fukuda, Kenji, Science 268, 14
[10] Li, Y., Holland, E.R.
[11] T.E. H
[12] Zhang, Ying, and M.J.
[13] Cronin, S. B.,
[14] Black, M. R., Lin, Y. M., Cronin, S.B., Rabin, O., and Dresselhaus, M. S., upublished.

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