001     1014304
005     20231018201911.0
024 7 _ |a 10.34734/FZJ-2023-03226
|2 datacite_doi
037 _ _ |a FZJ-2023-03226
041 _ _ |a English
100 1 _ |a Neukirchen, Alexander
|0 P:(DE-Juel1)179223
|b 0
|e Corresponding author
|u fzj
245 _ _ |a Source-Free Exchange-Correlation Magnetic Fields in the FLAPW Method
|f 2019-07-01 - 2020-08-03
260 _ _ |c 2020
|b Forschungszentrum Jülich
300 _ _ |a 90 p.
336 7 _ |a Output Types/Supervised Student Publication
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336 7 _ |a Thesis
|0 2
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336 7 _ |a MASTERSTHESIS
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336 7 _ |a masterThesis
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336 7 _ |a Master Thesis
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336 7 _ |a SUPERVISED_STUDENT_PUBLICATION
|2 ORCID
502 _ _ |a Masterarbeit, RWTH Aachen, 2020
|c RWTH Aachen
|b Masterarbeit
|d 2020
|o 2020-08-31
520 _ _ |a A proposed modification of the exchange-correlation magnetic field in density functional theory is implemented into the all-electron full-potential linearized augmented-plane-wave code Fleur. By removing terms from the magnetic field that stem from source contributions not found for physical ones, a recent paper has shown that theprediction of Fe magnetic moments in iron pnictide materials can be improved vastly while conserving the accurate description of simpler materials. The theory justifyingthe idea is explored and the physicality of the modification is discussed. The interaction of the modification with different kinds of magnets is highlighted, the possibleconstraints in application are explained and justified and the results are compared to those from the original paper calculated via the Elk code. Furthermore, theeffect on the coupling parameters in a Heisenberg model is investigated to gain greater insight about how the modification works and why the improvements happen.
536 _ _ |a 5211 - Topological Matter (POF4-521)
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856 4 _ |y Restricted
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856 4 _ |y OpenAccess
|u https://juser.fz-juelich.de/record/1014304/files/Thesis.pdf
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980 _ _ |a I:(DE-Juel1)PGI-1-20110106
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