Abstract
We report the single crystal properties of CePd2Zn3 and CePd2Ga3 compounds. The compounds were prepared by Bridgman method in high-frequency induction furnace. Both compounds adopt the hexagonal PrNi2Al3-type structure with a = 5.3914(2) Å, c = 4.3012(2) Åfor CePd2Zn3 and a = 5.4106(8) Å, c = 4.2671(8) Åfor CePd2Ga3, respectively. CePd2Zn3 orders antiferromagnetically below TN = 1.9K. Magnetoresistance measurements revealed a crossover at Bc = 0.95T. CePd2Ga3 orders ferromagnetically at TC = 6.7K. Applied hydrostatic pressure reduces the value of the Curie-temperature (rate ∂TC/∂p=0.9 KGPa −1) down to 3.9K at 3.2GPa. Both compounds display a strong magnetocrystalline anisotropy with easy axis of magnetization perpendicular to the c-axis in the hexagonal lattice.
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