Abstract

We have measured the magnetoresistance and the de Haas-van Alphen (dHvA) effect in CeSn 3. The magnetoresistance increases in all field directions. This result claims that CeSn 3 is a compensated metal. Compared to an uncompensated metal LaSn 3, the 4f electrons in CeSn 3 become itinerant electrons. This is consistent with the dHvA data which are almost explained by the modified Fermi surface model based on the result of band calculation where the 4f electrons are treated the same as the usual s, p, d conduction electrons.

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