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Advanced Thermoelectric Cooling Materials Through Anisotropic Modifications

Award Information
Agency: Department of Defense
Branch: Army
Contract: N/A
Agency Tracking Number: 28687
Amount: $69,566.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1995
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
10451 Vista Park Road
Dallas, TX 75238
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 E.h. Volckmann
 (214) 342-4243
Business Contact
Phone: () -
Research Institution
N/A
Abstract

Todays thermoelectric cooling materials exhibit a peak performance, termed ZT, of about 1.0. Recent development in the theory of quantum-well superlattices suggest that ZTs of up to 9 are possible. Work is ongoing to synthesize superlattices using techniques such as molecular beam epitaxy, sputtering and chemical vapor deposition but to date high quality thermoelectric superlattices have not been produced. An alternate approach is proposed to make a superlattice through the modification of bulk cooling compounds. The modifications will increase the anisotropy of the materials and will have the potential for impacting the Seebeck coefficient, electrical resistivity and thermal conductivity in beneficial ways resulting in an overall improvement of ZT. Phase I work would focus on Bi(2)Te(3) laying the framework for Bi(2)Te(3)-Sb(2)Te(3)-Bi(2)Se(3) alloys in phase II.

* Information listed above is at the time of submission. *

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