Thermo-electric material having mean crystal grain diameter nor

Details Thermo-electric material having mean crystal grain diameter nor Thermo-electric material having mean crystal grain diameter nor

1997-04-30

1999-03-16

Walberg, Teresa J.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

75228, H01C 710

Patent

active

058835636

ABSTRACT:
Thermo-electric material has a composition containing at least one first element selected from the group consisting of Bi and Sb and at least one second element selected from the group consisting of Te and Se, and the crystal grains of the thermo-electric material have a mean crystal grain diameter equal to or less than 50 microns and a mean aspect ratio between 1 and 3 so as to achieve a large figure of merit equal to or greater than 3.4.times.10.sup.-3 /.degree.K.

REFERENCES:
patent: 4764212 (1988-08-01), Okumura et al.
patent: 5610366 (1997-03-01), Fleurial et al.

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