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Orbital occupation and magnetic moments of tetrahedrally coordinated iron in CaBaFe4O7
N. Hollmann, Z. Hu, Hua Wu +8
CaBaFe4O7 is a mixed-valent transition metal oxide having both Fe2+ and Fe3+ ions in tetrahedral coordination. Here we characterize its magnetic properties by magnetization measure…
Local electronic structure of Fe impurities in MgO thin films: Temperature-dependent soft x-ray absorption spectroscopy study
T. Haupricht, R. Sutarto, M. W. Haverkort +7
We report on the local electronic structure of Fe impurities in MgO thin films. Using soft x-ray absorption spectroscopy (XAS) we verified that the Fe impurities are all in the 2+…
Local symmetry and magnetic anisotropy in multiferroic MnWO4 and antiferromagnetic CoWO4 studied by soft x-ray absorption spectroscopy
N. Hollmann, Z. Hu, T. Willers +7
Soft x-ray absorption experiments on the transition metal L2,3 edge of multiferroic MnWO4 and antiferromagnetic CoWO4 are presented. The observed linear polarization dependence, an…
Asymmetric orbital-lattice interactions in ultra-thin correlated oxide films
J. Chakhalian, J. M. Rondinelli, Jian Liu +14
Using resonant X-ray spectroscopies combined with density functional calculations, we find an asymmetric bi-axial strain-induced -orbital response in ultra-thin films of the cor…
Crystal-field and Kondo scale investigation of CeMIn5 (M=Co, Ir and Rh): a combined x-ray absorption and inelastic neutron study
T. Willers, Z. Hu, N. Hollmann +15
Linear polarized soft-x ray absorption (XAS) and inelastic neutron scattering (INS) experiments have been performed on CeMIn5 with M = Rh, Ir, and Co to determine the crystal-field…