Energy scales in 4f1 delafossite magnets: crystal-field splittings larger than the strength of spin-orbit coupling in KCeO2
M. S. Eldeeb,
T. Petersen,
L. Hozoi
et al.
Abstract:Ytterbium-based delafossites with effective S = 1/2 moments are intensively investigated as candidates for quantum spin-liquid ground states. While the synthesis of related cerium compounds has also been reported, many important details concerning their crystal, electronic, and magnetic structures are unclear. Here we analyze the S = 1/2 system KCeO2, combining complementary theoretical methods. The lattice geometry was optimized and the band structure investigated using density functional theory extended to t… Show more
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