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Browse Journals & Magazines > Applied Physics Letters ...> Volume:99 Issue:12 Help

Femtosecond laser-induced nanostructure formation in Sb2Te3

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8 Author(s)
Li, Yuwei ; Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA ; Stoica, Vladimir A. ; Endicott, Lynn ; Wang, Guoyu
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3634014 

We report femtosecond laser-induced nanotracks in highly absorbing Sb2Te3. Groups of nanotracks are observed with widths ∼50 nm and periodicity ∼130 nm, their area of coverage extending with the increase of laser fluence. We demonstrate that under a narrow range of laser fluences and laser irradiation times, long highly aligned nanotracks can be formed in Sb2Te3. The results suggest a promising avenue for laser nanostructuring of chalcogenide thermoelectrics, with implications for high efficiency thermoelectric energy conversion.

Published in:
Applied Physics Letters  (Volume:99 ,  Issue: 12 )

Date of Publication: Sep 2011

Page(s):
121903 - 121903-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3634014
Product Type:
Journals & Magazines
Date of Current Version :
22 September 2011
Issue Date :
Sep 2011

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