Abstract
The temperature dependence of the specific heat, magnetic susceptibility, and 119Sn Mössbauer spectra of Ce1−xGdxSn3 has been measured. An evolution from mixed valent, to enhanced paramagnetic, to spin glass, and finally to a magnetically ordered state is observed as one alloys from pure CeSn3 to GdSn3. The C/T curves show a strong upswing at the lowest temperatures for the enhanced paramagnetic systems with dilute Gd concentrations. In the spin-glass regime, the temperature where the cusp occurs in the zero-field cooled magnetic susceptibility data is lower than the temperature at which the Mössbauer line width starts broadening. For the magnetically ordered state, TN increases with increasing Gd concentration reaching 31 K for pure GdSn3.
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