[Zurück]

H. Kaldarar, E. Royanian, H. Michor, G. Hilscher, E. Bauer, A. Gribanov, D. Shtepa, P. Rogl, A. Grytsiv, Y. Seropegin, S. Nesterenko:
"Thermal and electronic properties of CePd₃In₂";
Physical Review B, 79 (2009), S. 205104-1 - 205104-5.

In this work, we report on the physical properties of orthorhombic CePd3In2 in comparison with isotypic LaPd3In2 (space group Pnma). X-ray powder diffraction Rietveld analysis revealed single-phase composition of both specimens CePd3In2 and LaPd3In2 confirming the CePd3In2 type with space group Pnma. The lattice parameters are a=1.02788(8), b=0.46237(4), and c=0.98765(9) nm for CePd3In2 and a=1.02986(14), b=0.46424(6), and c=0.99498(13) nm for LaPd3In2. Physical properties of CePd3In2 at low temperatures are dominated by a magnetic phase transition into an antiferromagnetic ground state below TN~2.1 K. A mutual interplay of the Kondo effect and the Rudermann-Kittel-Kasuy-Yoshida interaction is responsible for a large Sommerfeld value gamma~500 mJ/mol K2 derived from a model which simultaneously describes the Kondo effect and long-range magnetic order.

antiferromagnetism, cerium alloys, electrical resistivity, indium alloys, Kondo effect, lattice constants, magnetic transitions, palladium alloys, RKKY interaction, space groups, X-ray diffraction

http://dx.doi.org/10.1103/PhysRevB.79.205104

http://dx.doi.org/10.1103/PhysRevB.79.205104