Title :
High temperature thermoelectric properties of arc-melted Ba8M16Si30 (M=Al, Ga) clathrates
Author :
Nataraj, D. ; Nagao, J. ; Ferhat, M. ; Ebinuma, T. ; Anno, H.
Author_Institution :
Inst. for Energy Utilization, Nat. Inst. of Adv. Sci. & Technol., Sapporo, Japan
Abstract :
Ba8Al16Si30 and Ba8Ga16Si30 clathrates were prepared by arc melting technique. The electron probe microanalysis showed the presence of impurities. The low Seebeck coefficient values together with metallic type electrical conductivity showed the highly degenerate nature of the as prepared samples.
Keywords :
Seebeck effect; aluminium alloys; barium alloys; electron probe analysis; gallium alloys; silicon alloys; Ba8Al16Si30; Ba8Ga16Si30; Seebeck coefficient; arc melting; arc-melted Ba8M16Si30 clathrates; degenerate nature; electron probe microanalysis; high temperature thermoelectric properties; metallic type electrical conductivity; Argon; Atmospheric measurements; Conducting materials; Electrons; Probes; Semiconductor materials; Silicon; Temperature; Thermal conductivity; Thermoelectricity;
Conference_Titel :
Thermoelectrics, 2002. Proceedings ICT '02. Twenty-First International Conference on
Print_ISBN :
0-7803-7683-8
DOI :
10.1109/ICT.2002.1190268