Studies on the Valence State of Yb in YbTGa (T=Cu, Pd and Pt) Compounds through Magnetic Susceptibility Measurements

Abstract
Compounds of the type YbTGa (T = Cu, Pd and Pt) have been synthesized. Magnetic susceptibility (χ) measurements reveal a maximum in χ-T at a temperature of about 200 K in YbCuGa, typical of the Yb containing mixed-valent systems. The Yb ions appear to be in a mixed valent state in YbPdGa also but in a divalent or nearly divalent state in YbPtGa.

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