We observed the de Haas-van Alphen oscillations of a Pauli paramagnetic compound YbPb3 and an antiferromagnetic compound EuPb3. Detected Fermi surfaces in YbPb3 are three in number, which are well explained by the FLAPW band calculations. The cyclotron effective masses are in the range from 0.21 to 0.60m0. The paramagnetic and antiferromagnetic Fermi surfaces were detected in EuPb3. The former Fermi surface is the same as in YbPb3, which is seen by magnetic breakdown. EuPb3 is a divalent compound whose magnetic properties were studied by the specific heat, magnetic susceptibility and high-field magnetization experiments.
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