Microstructure and thermoelectric properties of p-type Mg2Sn prepared by RF induction melting
Chen , H. Y. and Savvides, N. and Stiewe, C. and Dasgupta, T. and Müller, E. (2009) Microstructure and thermoelectric properties of p-type Mg2Sn prepared by RF induction melting. 11th International Conference on Advanced Materials ICAM 2009, 20.-25. September 2009, Rio de Janeiro, Brasilien.
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Silver-doped Mg2Sn bulk crystals were prepared by RF induction melting in a boron nitride crucible under 1 atm Argon. The microstructure of the ingots was analyzed by X-ray diffraction, scanning electron microscopy and energy-dispersive X-ray spectroscopy. The Hall coefficient, Seebeck coefficient, electrical conductivity, and thermal conductivity were measured in the temperature range of 80-700 K to establish a correlation between the composition, microstructure and thermoelectric properties. The whole process of preparing one ingot needed only 5 hours, and the thermoelectric properties are very similar to those of the near-singlecrystal ingots prepared by the Bridgman method requiring 100 hours.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Microstructure and thermoelectric properties of p-type Mg2Sn prepared by RF induction melting|
|Date:||22 September 2009|
|Keywords:||thermoelectric properties - measurement - Seebeck coefficient, elecitrical and thermal conductivities - X-ray diffraction spectroscopy|
|Event Title:||11th International Conference on Advanced Materials ICAM 2009|
|Event Location:||Rio de Janeiro, Brasilien|
|Event Type:||international Conference|
|Event Dates:||20.-25. September 2009|
|Organizer:||International Union of Material Research Societies|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L ER - Engine Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L ER - Engine Research|
|DLR - Research theme (Project):||["eprint_fieldopt_dlr_project_search_L000" not defined]|
|Institutes and Institutions:||Institute of Materials Research > Thermoelectric Materials and Systems|
|Deposited By:||Dr. Knud Zabrocki|
|Deposited On:||25 Nov 2009 14:04|
|Last Modified:||25 Nov 2009 14:04|
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