Abstract
Abstract Low temperature magnetic properties of CeNi5—xGax (x=1, 2, 2.2 and 2.8) and LaNi3Ga2 were investigated. CeNi5—xGax show low temperature behaviors that are characteristic of strongly enhanced paramagnetic 3d metals. Gallium additions tend to bring the systems closer to the paramagnetic-itinerant ferromagnetic transition. The valence state of cerium remains at nearly 4+ throughout the series. LaNi3Ga2 shows T2 dependence in both its low temperature resistivity and susceptibility. This implies that the material is a spin fluctuator which possesses a positive curvature in the density of states at the Fermi level.
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