Gadolinium is a chemical element in the periodic table that has the symbol is Gd and whose atomic number is 64.Puesto gadolinium Curie temperature is 292 K ( 18.85 ° C ) their magnetism will depend on the ambient temperature. Above this temperature will be ParaMagnetic, and ferromagnetic below.Gadolinium has a magneto-caloric effect, this is much more powerful in the alloy Gd5 (Si2Ge2 ). This is why it is used in magnetic cooling at industrial and scientific level; However, its high cost and the need to use arsenic in the process disabled it for domestic refrigeration. It also has medical uses as a contrast in magnetic resonance imaging.
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