Narasimha, SA and Ramesh, TG and Shubha, V and Lakshminarasimham, PS (2006) Electronic And Thermal Properties Of Sn Added-Zn .Lsb3. Technical Report. NAL, Bangalore.
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Abstract
3-Zn;Sb3 Is A Promising High Temperature Thermoelectric Materials With A High Power Factor Sea Where S Is The Thermopower And A Is Electrical Conductivity . It Is Found That The Properties Of (3-Zn4Sb3 Can Be Altered By Addition Of Sn. In This Paper The Electronic And Thermal Properties Of 13-Zn4Sb3 Are Given In Detail . Electrical Resistivity And Absolute Thermqpower Are Measured As A Function Of Temperature From Room Temperature To 300°C .Both Electrical Resistivity And Thermopower I Values Are Found To Increase With Addition Of Tin. It Is Observed Experimentally That At Lower Tin Concentrations (<I Weight %) Power Factor Remains Close To That Of 3-Zn4Sb3 And At Higher Concentration Of Sn Power Factor Decreases . Thermal Conductivity K, Of These Sn Added Zn.,+Sb3 Was Found To Be Lower Than That Of (3-Zn4Sb3 Showing A Noticeable Enhancement In ZT (=S 2at/K)At Low Concentration Of Tin.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Q-Zn4Sb3;Thermoelectric materials; Electrical Resistivitvj Thermopowerl Thermal conductivity |
| Subjects: | ASTRONAUTICS > Astronautics (General) |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 07 Aug 2012 07:51 |
| Last Modified: | 07 Aug 2012 07:51 |
| URI: | http://nal-ir.nal.res.in/id/eprint/10685 |
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