By Topic

Thermoelectric properties of p-type Bi0.5Sb1.5Te2.7Se0.3 fabricated by high pressure sintering method

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Xu, Gui-Ying ; Laboratory of Special Ceramics and Powder Metallurgy, University of Science and Technology Beijing, Beijing 100083, China ; Niu, Si-Tong ; Wu, Xiao-Feng

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.4754840 

Bi0.5Sb1.5Te2.7Se0.3 doped with 4 wt. % Te was prepared by high pressure (1.89–5.98 GPa) sintering (HPS) method. The phase composition, crystal structure and morphology were analyzed by x-ray diffraction method and scanning electron microscopy. The dependences of thermoelectric properties and microstructures of the samples on high pressure and temperature were studied. The results show that high pressure sintering has a great effect on the crystal structure and the thermoelectric properties of the samples. The HPS can decrease the thermal conductivity by nanostructure and increase the figure of merit. The ZTmax is 1.16. It deserves our special attention that this nanostructure has good stability at high temperature. Besides, the conditions for the Seebeck coefficient is equal to zero or it increases with the electric conductivity synchronously were discussed.

Published in:

Journal of Applied Physics  (Volume:112 ,  Issue: 7 )