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Origin of Ising magnetism in Ca3Co2O6 unveiled by orbital imaging
Brett Leedahl, Martin Sundermann, Andrea Amorese +7
The one-dimensional cobaltate Ca3Co2O6 is an intriguing material having an unconventional magnetic structure, displaying quantum tunneling phenomena in its magnetization. Using a n…
High-pressure synthesis and spin glass behavior of a Mn/Ir disordered quadruple perovskite CaCu3Mn2Ir2O12
Xubin Ye, Zhehong Liu, Weipeng Wang +7
A new 3d-5d hybridized quadruple perovskite oxide, CaCu3Mn2Ir2O12, was synthesized by high-pressure and high-temperature methods. The Rietveld structure analysis reveals that the c…
Nature of the magnetism of iridium in the double perovskite Sr2CoIrO6
S. Agrestini, K. Chen, C. -Y. Kuo +12
We report on our investigation on the magnetism of the iridate double perovskite SrCoIrO, a nominally Ir Van Vleck system. Using x-ray absorption (XAS) a…
Spin-orbit coupling and crystal-field distortions for a low-spin state in BaCoO
Y. Y. Chin, Z. Hu, H. -J. Lin +13
We have studied the electronic structure of BaCoO using soft x-ray absorption spectroscopy at the Co- and O- edges, magnetic circular dichroism at the Co-…
Direct imaging of orbitals in quantum materials
Hasan Yavaş, Martin Sundermann, Kai Chen +5
The spectacular physical properties of quantum materials based on transition metal, rare earth, and actinide elements continue to challenge our comprehension of solid state physics…
Orientation of ground-state orbital in CeCoIn and CeRhIn
M. Sundermann, A. Amorese, F. Strigari +10
We present core level non-resonant inelastic x-ray scattering (NIXS) data of the heavy fermion compounds CeCoIn and CeRhIn measured at the Ce -edges. The higher th…