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Fabrication of β″‐alumina films as a thermoelectric material by thermal plasma processing
Author(s) -
Kim JongTaek,
Lim KyungBum,
Lee DuckChool
Publication year - 2003
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.1586
Subject(s) - fabrication , thermoelectric effect , materials science , plasma processing , jet (fluid) , plasma , thermal , atmospheric pressure plasma , substrate (aquarium) , chemical engineering , composite material , thermodynamics , geology , medicine , oceanography , physics , alternative medicine , pathology , quantum mechanics , engineering
The fabrication of β″‐alumina films as thermoelectric materials was investigated by thermal plasma processing based on the forced constrictive‐type reactor. Under both atmospheric and low pressures, β″‐alumina films were synthesized successfully from a mixed powder of α‐Al 2 O 3 , Na 2 CO 3 and MgO. The jet powder and substrate position strongly affect the properties of plasma‐processed β″‐alumina, which were found to be correlated with jet temperature. For both pressures, the films show good thermoelectric properties. Copyright © 2003 John Wiley & Sons, Ltd.