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Cohesive and Spectroscopic properties of the Lanthanides within the Hubbard I Approximation
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525AJ Nijmegen, The Netherlands. (Materials Theory)
2015 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

We describe the rare-earth elements using the Hubbard I approximation. We show that the theory reproduces the cohesive properties, like the volume and bulk modulus, and we find an excellent agreement between theory and experiment for the (inverse) photo emission spectra of the valence band. In addition we reproduce the spin and orbital moments of these elements. This licentiate thesis contains an introduction to the cohesive, magnetic and spectral properties of the rare-earth elements, to density functional theory and to density functional theory in combination with dynamical mean-field theory within the Hubbard I approximation. We also focus on some technical details, e.g. the optimal basis used in the electronic structure code and the role of charge self-consistency in properly describing the valence electrons.

Place, publisher, year, edition, pages
Uppsala universitet, 2015. , 81 p.
Keyword [en]
Lantanides, rare earths, cohesive properties, volume, bulk modulus, magnetism, magnetic properties, photoemission spectroscopy, XPS, BIS, Hubbard I Approximation, DMFT, DFT, RSPt, Full Potential Linear Muffin-tin orbitals, 4f electrons, localization, bonding
National Category
Condensed Matter Physics
Research subject
Physics with spec. in Atomic, Molecular and Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-267285OAI: oai:DiVA.org:uu-267285DiVA: diva2:872619
Presentation
2015-10-20, A 80121, Ångströmlaboratoriet, Lägerhyddsvägen 1, Uppsala, 14:20 (English)
Opponent
Supervisors
Available from: 2015-11-24 Created: 2015-11-19 Last updated: 2015-11-24Bibliographically approved
List of papers
1. The standard model of the rare-earths, analyzed from the Hubbard-Iapproximation
Open this publication in new window or tab >>The standard model of the rare-earths, analyzed from the Hubbard-Iapproximation
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(English)Manuscript (preprint) (Other academic)
National Category
Physical Sciences
Identifiers
urn:nbn:se:uu:diva-267579 (URN)
Available from: 2015-11-24 Created: 2015-11-24 Last updated: 2017-04-12

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