Investigation of the Magnetocaloric Effect
Hamid Suleymanov2015, Wellington College
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This investigation was centred on exploring the question: Do lanthanide borates offer the prospect of an alternative to gadolinium gallium garnet in respect to the magneto caloric effect? Two different forms of lanthanide borates were tested for the probability of their success in order to achieve this: GdDyBO3 and GdTbBO3, which had similar properties, yet produced various results. Through the use of high temperature synthesis, the lanthanide borates are produced, and then, using an x-ray diffraction, analysed. Overall, GdDyBO3 had a much higher probability of being able to reproduce the magneto caloric effect due to it having much larger radii of Ln3+ ions relative to its cell volume, but further testing is required for the exact measurements of its magnetic properties.
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