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Raymond, S.*; Piekarz, P.*; Sanchez, J. P.*; Serrano, J.*; Kirsch, M.*; Detlefs, B.*; Rebizant, J.*; Metoki, Naoto; Kaneko, Koji; Jochym, P. T.*; et al.
Journal of Alloys and Compounds, 444-445, p.104 - 108, 2007/10
Times Cited Count:2 Percentile:21.42(Chemistry, Physical)The phonon dispersion curves of the unconventional superconductor PuCoGa were studied by inelastic X-ray scattering at room temperature. The experimental data agree well with ab initio lattice dynamics calculations. An accurate theoretical description of the phonon spectrum is obtained only when a local Coulomb repulsion 3 eV among 5f electrons is taken into account. This implies partial localization of the 5f electrons in this compound. A comparison made with the phonon spectrum of UCoGa suggests that the latter compound is better described with a fully itinerant f electrons model.
Raymond, S.*; Piekarz, P.*; Sanchez, J. P.*; Serrano, J.*; Kirsch, M.*; Janousova, B.*; Rebizant, J.*; Metoki, Naoto; Kaneko, Koji; Jochym, P. T.*; et al.
Physical Review Letters, 96(23), p.237003_1 - 237003_4, 2006/06
Times Cited Count:26 Percentile:74.45(Physics, Multidisciplinary)The phonon dispersion curves of the superconductor PuCoGa were studied by inelastic X-ray scattering at room temperature. The experimental data agree well with lattice dynamics calculations. An accurate description of the phonon spectrum is obtained only when a local Coulomb repulsion U 3 eV among 5 electrons is taken into account.
Metoki, Naoto; Kaneko, Koji; Raymond, S.*; Sanchez, J. P.*; Piekarz, P.*; Parlinski, K.*; Ole, A. M.*; Ikeda, Shugo; Matsuda, Tatsuma; Haga, Yoshinori; et al.
Physica B; Condensed Matter, 378-380, p.1003 - 1004, 2006/05
Times Cited Count:12 Percentile:49.64(Physics, Condensed Matter)no abstracts in English
Metoki, Naoto; Kaneko, Koji; Ikeda, Shugo; Matsuda, Tatsuma; Haga, Yoshinori; Onuki, Yoshichika; Raymond, S.*; Piekarz, P.*; Sanchez, J. P.*; Serrano, J.*; et al.
no journal, ,
no abstracts in English