Sill, Larry R.
M.S. (Master of Science)
Department of Physics
Rare earth metal alloys||Magnetism||Gold alloys
Magnetic measurements were made on the chemically ordered intermetallic compounds R₂Au (R=Gd,Tb,Dy,Ho,Er, and Tm), each of which had the orthorhombic Co₂Si crystal structure. Gd₂Au and Tb₂Au ordered ferromagnetically while the other four compounds showed no signs oh ordering in the temperature range 70°K to 300°K. It was found that the high-temperature susceptibility for each specimen satisfied an equation which contained both Curie-Weiss and temperature-independent terms. Paramagnetic Curie temperatures were positive for all specimens except Tm₂Au, and these values were in descending order with ascending atomic number. Effective magnetic moments agreed very well with those of the corresponding rare earths in the triply ionized state.
Drensky, Stephen M., "Magnetic properties of the system R₂Au (R=Gd, Tb, Dy, Ho, Er, Tm)" (1975). Graduate Research Theses & Dissertations. 3857.
Northern Illinois University
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