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Title: Electronic conduction in liquid transition metals and their alloys
Author: Dupree, Barry Charles
Awarding Body: University of Leicester
Current Institution: University of Leicester
Date of Award: 1976
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Apparatus has been developed to perform measurements of the thermoelectric power and resistivity of liquid metals at high temperatures of the order of 1500°C. Measurements have been performed on the transition metals, iron, cobalt, nickel and palladium in the liquid state, together with some measurements on these metals in the solid state and on liquid alloys of nickel with cobalt and palladium with silver. In most cases the results obtained are in agreement with other experimental data, where available. If use is made of a single site resonant scattering model (the only theory for liquid transition metals for which a number of quantitative calculations of resistivity and thermoelectric power have been reported), approximate expressions can be derived which give the resistivity of liquid nickel --- cobalt alloys in terms of the resistivities of the pure components. It is also possible to express the thermoelectric power of the alloy in terms of the thermoelectric powers and resistivities of the pure components and the resistivity of the alloy. The predictions of these expressions have been compared with the experimental data; the comparison indicates that the theory does not account for the observed transport properties of liquid nickel-cobalt alloys. The conclusion is therefore drawn that by implication the theory is not applicable, in its present form, to pure liquid transition metals.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available