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Ag9TlTe5 and AgTlTe: High ZT Materials With Extremely Low Thermal Conductivity
| Publication Type | | Proceedings Article |
| Year of Publication | | 2005 |
| Authors | | Kurosaki, K.; Kosuga, A.; Goto, K.; Muta, H. |
| Conference Name | | Proceedings of the 24th International Conference on Thermoelectrics: ICT2005 |
| Pagination | | 308-311 |
| Conference Start Date | | June 2005 |
| Publisher | | IEEE |
| Conference Location | | Clemson, SC USA |
| Editor | | Tritt, T. |
| Abstract | | We have studied the thermoelectric properties Ag9TlTe5 and AgTlTe. The thallium compounds have extremely low thermal conductivities around 0.25 Wm-1K-1 from room temperature to about 700 K. The thallium compounds indicate very high ZT values; especially the highest ZT value of Ag9TlTe5 is 1.23 obtained at 700 K. Ag9TlTe5 is a unique material combining extremely low thermal conductivity and relatively low electrical resistivity.
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