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- W4310632006 abstract "On the basis of density functional theory calculations we predict Weyl points in rhombohedral structure of PtNiO$_2$ having symmorphic symmetry. From the formation energy and phonon calculations, PtNiO$_2$ is found to be structurally stable. The magnetic ground state is ferromagnetic with an effective magnetic moment of 1.01 $mu_B$ per unit cell. The electronic structure shows major contributions from Pt-$5d$, Ni-$3d$ and O-$2p$ orbitals with band crossing close to the Fermi level. The orbital contribution around 8 eV above the Fermi level are from the Pt-$s,p$ orbitals forming a kagome like electronic structure confirmed by surface Fermi surface spectral function. We found 20 pairs of confirmed Weyl nodes along the magnetic easy axis [100]. These results are expected to provide a useful and exciting platform for exploring and understanding the magnetic Weyl physics in delafossites." @default.
- W4310632006 created "2022-12-13" @default.
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- W4310632006 date "2022-12-01" @default.
- W4310632006 modified "2023-10-18" @default.
- W4310632006 title "Weyl Metal Phase in Delafossite Oxide PtNiO$_2$" @default.
- W4310632006 doi "https://doi.org/10.48550/arxiv.2212.00579" @default.
- W4310632006 hasPublicationYear "2022" @default.
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