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Showing 2013 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2013★ 29 cited
Strong Effects of Cation Vacancies on the Electronic and Dynamical Properties of FeO
Urszula D. Wdowik, Przemysław Piekarz, Krzysztof Parlinski +2
We report pronounced modifications of electronic and vibrational properties induced in FeO by cation vacancies, obtained within density functional theory incorporating strong local…
cond-mat.str-el2013★ 33 cited
Exotic spin orders driven by orbital fluctuations in the Kugel-Khomskii model
Wojciech Brzezicki, Jacek Dziarmaga, Andrzej M. Oleś
We study zero temperature phase diagram of the three-dimensional Kugel-Khomskii model on a cubic lattice using the cluster mean field theory and different perturbative expansions i…
cond-mat.str-el2013★ 24 cited
Defect states and spin-orbital physics in doped vanadates Y1-xCaxVO3
Peter Horsch, Andrzej M. Oles
We present a model for typical charged defects in weakly doped Y1-xCaxVO3 perovskites and study how they influence the magnetic and orbital order. Starting from a multiband Hubbard…