Title: Crystal Structure and Physical Properties of 243AmPd5Al2
Authors: GRIVEAU Jean-ChristopheGOFRYK KrzysztofBOUEXIERE DanielCOLINEAU EricREBIZANT J.
Citation: PHYSICAL REVIEW B vol. 85 no. 8 p. 085108 (1-6)
Publisher: AMER PHYSICAL SOC
Publication Year: 2012
JRC Publication N°: JRC64227
ISSN: 1098-0121
URI: http://prb.aps.org/abstract/PRB/v85/i8/e085108
http://publications.jrc.ec.europa.eu/repository/handle/JRC64227
DOI: 10.1103/PhysRevB.85.085108
Type: Articles in Journals
Abstract: We report on the crystal structure, magnetic susceptibility, specific heat, and electrical and thermo-electrical properties of AmPd5Al2, the americium counterpart of the unconventional superconductor NpPd5Al2. AmPd5Al2 crystallizes in the ZrNi2Al5-type of structure with lattice parameters: a = 4.1298 ºA and c = 14.7925 ºA. Magnetization measurements of AmPd5Al2 indicate a paramagnetic behavior with no hint of magnetic ordering or superconductivity down to 2K. This aspect is directly related to its 5f6 electronic configuration with J = 0. The specific heat measurements confirm the nonmagnetic ground state of this compound. The low temperature electronic specific heat °e » 20 mJ mol-1K-2 is clearly enhanced as compared to americium metal. All transport measurements obtained point to a metallic behavior in AmPd5Al2.
JRC Institute:Institute for Transuranium Elements

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