Electric Resistance, Hall Effect, Magneto-Resistance and Seebeck Effect in a Pure Tellurium Film

概要

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The electric resistance, the Hall effect, the magneto-resistance and the Seebeck effect are investigated with regard to pure tellurium films, deposited by evaporation on glass plates, over the temperatures ranging from -195°to +60℃ ; the substrates in concern have been baked out in the same high vacuum prior to the metal deposition. The electric resistance and the weight of the deposits are compared for various thicknesses of the films and a certain regular correlation is found between them. The Hall coefficient at room temperature increases almost in proportion to the thickness of the film defined from its electric conduction. The Hall coefficient and the thermoelectric power against aluminium are both positive throughout the whole range of temperature which facts show that the current carriers predominantly have a positive sign.
東北大学の論文