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Crystal structure of a solid solution in the Mg–Pd–Al system

Vasyl STOTSKYI, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Svitlana PUKAS, Roman GLADYSHEVSKII, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Department of Inorganic Chemistry, Ivan Franko National University of Lviv
2019 Chemistry of Metals and Alloys  

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1 /a) was established. The approximate composition Mg 5 Pd 8 Al 16 was determined by energy-dispersive X-ray spectroscopy for the phase in the Mg-poor sample (a = 13.0429(2), c = 10.6880(1) Å) and it was assumed, based on geometrical arguments, that Mg atoms replace Al atoms in Wyckoff position 4a and one of the seven positions 16f. The phase in the Mg-rich sample (a = 13.1928(4), c = 10.6488(5) Å) was found to contain more Mg, indicating the existence of a solid solution. Compared to the
more » ... compound Pd 8 Al 21 , the a-parameter is also larger but the c-parameter shorter, leading to an overall increase of the cell volume with increasing Mg content. Ternary palladium aluminide / X-ray powder diffraction / Energy-dispersive X-ray spectroscopy / Crystal structure
doi:10.30970/cma12.0391 fatcat:nrffymuavbh6thatuz5ihygga4
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Vasyl STOTSKYI, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Svitlana PUKAS, Roman GLADYSHEVSKII, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Department of Inorganic Chemistry, Ivan Franko National University of Lviv. "Crystal structure of a solid solution in the Mg–Pd–Al system." Chemistry of Metals and Alloys 12.1/2 (2019) 29-32