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Thermoelectric Nanowires By Template Synthesis: Fabrication, Contacts and Properties

Published online by Cambridge University Press:  11 February 2011

Oded Rabin ,
Yu-Ming Lin ,
Stephen B. Cronin ,
Gang Chen  and
Mildred S. Dresselhaus
Oded Rabin
Affiliation:
Dept. of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
Yu-Ming Lin
Affiliation:
Dept. of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
Stephen B. Cronin
Affiliation:
Dept. of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
Gang Chen
Affiliation:
Dept. of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
Mildred S. Dresselhaus
Affiliation:
Dept. of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A. Dept. of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
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Abstract

Using the technique we have developed to grow porous anodic alumina (PAA) templates on the surface of silicon wafers, we have fabricated arrays of nanowires of thermoelectric materials. By this method we can control both (1) the in-plane geometry by the design of the template and the substrate, and (2) the out-of-plane dimension by control over the electrochemical nanowire growth process. We use several straightforward methods to make electrical contacts to the nanowires. Our transport studies show that both the structure of the nanowire and the contact region have a strong influence on the observed properties of the arrays.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 739: Symposium H – Three-Dimensional Nanoengineered Assemblies , 2002 , H7.24
Copyright
Copyright © Materials Research Society 2003

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References

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