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Influence of doping elements (Cu and Fe) on the crystal structure and electrical resistivity of YNi3 and Y0.95Ni2

O. MYAKUSH, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, V. BABIZHETSKYY, P. MYRONENKO, H. MICHOR, E. BAUER, B. KOTUR, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Institute of Solid State Physics, Vienna University of Technology, Institute of Solid State Physics, Vienna University of Technology, Department of Inorganic Chemistry, Ivan Franko National University of Lviv
2011 Chemistry of Metals and Alloys  

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Two solid solutions on the basis of the binary compounds YNi 3 and Y 0.95 Ni 2 were investigated by X-ray and electron probe microanalysis for the influence of Fe and Cu-doping on the crystal structure and electrical properties. Substitution of Cu for Ni in YNi 3 does not change the structure type (PuNi 3 ). The replacement of Ni by Cu in Y 0.95 Ni 2-x Cu x up to x < 0.15 and the replacement of Ni by Fe in Y 0.95 Ni 2-x Fe x up to x < 0.1 preserve the structure of the binary parent compound Y
more » ... 95 Ni 2 (TmNi 2 structure type, space group F-43m). Substitution by larger quantities of Cu and Fe destabilizes the TmNi 2 superstructure, which converts into the MgCu 2 structure with disordered Y vacancies. All the investigated alloys showed metallic-like conductivity following the Nordheim relation. Yttrium intermetallic compounds / Doping / Crystal structure / Electrical resistivity
doi:10.30970/cma4.0181 fatcat:a2toxw27hvh7xjrqp6bqsti6qe
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O. MYAKUSH, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, V. BABIZHETSKYY, P. MYRONENKO, H. MICHOR, E. BAUER, B. KOTUR, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Institute of Solid State Physics, Vienna University of Technology, Institute of Solid State Physics, Vienna University of Technology, Department of Inorganic Chemistry, Ivan Franko National University of Lviv. "Influence of doping elements (Cu and Fe) on the crystal structure and electrical resistivity of YNi3 and Y0.95Ni2." Chemistry of Metals and Alloys 4.1/2 (2011) 152-159