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CePd2Al8 – A ferromagnetic Kondo lattice with new type of crystal structure

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Abstract The novel cerium aluminide CePd 2 Al 8 was investigated by means of single crystal X-ray diffraction and low-temperature magnetic, electrical transport and heat capacity measurements. The compound is… Click to show full abstract

Abstract The novel cerium aluminide CePd 2 Al 8 was investigated by means of single crystal X-ray diffraction and low-temperature magnetic, electrical transport and heat capacity measurements. The compound is found to crystallize with a monoclinic structure of its own type with a single crystallographic position for Ce atoms in the unit cell. Due to magnetic moments carried on Ce 3+ ions, it exhibits Curie-Weiss paramagnetic behavior and long-range ferromagnetic ordering below T C  = 9.5 K. In the entire temperature range studied, the physical properties of CePd 2 Al 8 are influenced by Kondo interactions with an energy scale close to T C .

Keywords: new type; cepd2al8 ferromagnetic; lattice new; ferromagnetic kondo; structure; kondo lattice

Journal Title: Journal of Alloys and Compounds
Year Published: 2018

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