Electronic structure and magnetic properties of Ce5CuPb3

Tran, V.H., Gamza, Monika orcid iconORCID: 0000-0003-3360-4006, Ślebarski, A., Jarmulska, J. and Miiller, W. (2007) Electronic structure and magnetic properties of Ce5CuPb3. Journal of Solid State Chemistry, 180 (10). pp. 2756-2762. ISSN 00224596

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Official URL: http://dx.doi.org/10.1016/j.jssc.2007.07.019


We report on the magnetic and electronic transport properties and as well band electronic structure of the Ce5CuPb3Ce5CuPb3 intermetallic compound, crystallizing in the hexagonal Hf5CuSn3Hf5CuSn3-type structure. The magnetic and XPS data indicate localized character of the 4f -electrons. Ce5CuPb3Ce5CuPb3 is shown to be a magnet with double transitions below View the MathML sourceTC1=46K and View the MathML sourceTC2=5K. Despite being magnetic the compound is found to have a strongly enhanced electronic specific heat (about View the MathML source50mJ/molCeK2). The electronic band structure calculations based on TB-LMTO and FP-LAPW confirm the magnetic ground state. From the theoretical data we would expect that the Ce1 and Ce2 atoms located at the 4d and 6g, respectively, give distinct contributions to the density of states at the Fermi level.

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