Shaffer, John C., 1938-2017
M.S. (Master of Science)
Department of Physics
Electromotive force||Magnesium oxide||Pulse techniques (Electronics)||Semiconductors--Doping
A pulse technique, which eliminates errors due to large offset voltages, has been devised to measure the Seebeck coefficient in high resistivity materials. Measurements of the Seebeck coefficient of Li:MgO have been made between 25 and 1000°C. Li:MgO is a p-type material, and the position of the Fermi level is ~3.1 eV above the valence band. Under appropriate conditions, sample resistance can be determined from the time dependence of the temperature gradient and Seebeck voltage pulses.
Woosley, Jay D., "Measurement of the Seebeck coefficient (thermal emf) of lithium-doped magnesium oxide between 25 and 1000⁰C" (1981). Graduate Research Theses & Dissertations. 3919.
19 pages, 12 unnumbered pages
Northern Illinois University
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