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A method for preparing a novel bixbyite non-selective coating for solar thermal conversion is described. The coating is formed by a thermal reaction between a titania sol–gel precursor with a copper manganese spinel to form a new material, Cu 0.44 Ti 0.44 Mn 0.84 Fe 0.28 O 3 , with a bixbyite structure. The effect of temperature and ratio between the two components...
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