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The quadrupolar contribution to x-ray magnetic circular dichroism in REZn compounds (Articolo in rivista)
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- The quadrupolar contribution to x-ray magnetic circular dichroism in REZn compounds (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Alternative label
Galera, RM; Joly, Y; Rogalev, A; Binggeli, N (2008)
The quadrupolar contribution to x-ray magnetic circular dichroism in REZn compounds
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- Galera, RM; Joly, Y; Rogalev, A; Binggeli, N (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
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- \"[Galera, R-M; Joly, Y.] UJF, CNRS, Inst Neel, F-38042 Grenoble 9, France; [Rogalev, A.] European Synchrotron Radiat Facil, F-38043 Grenoble, France; [Binggeli, N.] Natl Simulat Ctr, Abdus Salam Int Ctr Theoret Phys, I-34014 Trieste, Italy; [Binggeli, N.] Natl Simulat Ctr, CNR, INFM DEMOCRITOS, I-34014 Trieste, Italy (literal)
- Titolo
- The quadrupolar contribution to x-ray magnetic circular dichroism in REZn compounds (literal)
- Abstract
- X-ray magnetic circular dichroism experiments on REZn single crystals (RE = Gd, Tb, Dy, Ho and Er) performed at the rare-earth L-2,L-3 edges show important quadrupolar contributions whose final states are the empty 4f orbitals. Calculations of the dichroic spectra have been performed using first-principle calculations with a treatment of the 4f states based on the LSDA + U (LSDA: local spin density approximation) method and including the spin-orbit coupling. The good agreement between experimental and calculated spectra allows a detailed analysis of the quadrupolar and dipolar contributions to the experimental spectra at the rare-earth L edges. Complementary study of the Zn K edge in HoZn reveals the magnetism induced on the Zn atoms. (literal)
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