Ternary hydrides of calcium and strontium with palladium

Add time:09/01/2019    Source:sciencedirect.com

New ternary hydrides of the stoichiometry SrPd2H, Sr2PdH4, and Ca3Pd2H4 have been prepared. These compounds were formed by reacting the respective alkaline earth binary hydride with palladium under approximately 625 mm of hydrogen pressure at temperatures ranging from 750 to 850° for 8–10 hr. Differential thermal analyses were used as a guide in evaluating optimum reaction temperatures and decomposition behavior of the reactants and products. The SrPd2H was also formed by intermetallic hydrogenation. X-Ray diffraction data for each ternary were indexed as cubic. Electrical resistance measurements for each of the ternary hydrides indicated metallic behavior. Magnetic data showed that the ternary systems were diamagnetic or weakly paramagnetic.

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