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|Title:||Magnetic and Electronic Properties of Antiferromagnetic PuPd5Al2|
|Authors:||GOFRYK Krzysztof; GRIVEAU JEAN-CHRISTOPHE; COLINEAU ERIC; REBIZANT JEAN|
|Citation:||PHYSICAL REVIEW B vol. 77 p. 092405-1 092405-4|
|Publisher:||AMERICAN PHYSICAL SOC|
|Type:||Articles in periodicals and books|
|Abstract:||A compound PuPd5Al2 was prepared and studied by x-ray diffraction, magnetic susceptibility, heat capacity, electrical resistivity, and thermoelectric power measurements. The crystal structure ZrNi2Al5 type e.g., I4/mmm, a=4.1302 Å, and c=14.8428 Å was determined from single-crystal x-ray data. The compound orders antiferromagnetically at 5.6 K and exhibits a modified Curie¿Weiss behavior with ef f=1.05 B close to the intermediate coupling value 1.01B for Pu3+ ions. Below TN, the specific heat and the electrical resistivity are governed by electron-magnon scattering with a spin-wave spectrum typical of anisotropic antiferromagnetic systems. The Seebeck coefficient is negative in a whole temperature range and is close to -7 VK-1 at 300 K.|
|JRC Directorate:||Nuclear Safety and Security|
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