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Tuning Magnetic Coupling in SrIrO Thin Films with Epitaxial Strain
A. Lupascu, J. P. Clancy, H. Gretarsson +16
We report x-ray resonant magnetic scattering (XRMS) and resonant inelastic x-ray scattering (RIXS) studies of epitaxially-strained thin films. The films were g…
Dilute Magnetism and Spin-Orbital Percolation Effects in Rh-doped Sr2IrO4
J. P. Clancy, A. Lupascu, H. Gretarsson +7
We have used a combination of resonant magnetic x-ray scattering (RMXS) and x-ray absorption spectroscopy (XAS) to investigate the properties of the doped spin-orbital Mott insulat…
Avoided quantum criticality and magnetoelastic coupling in BaFeNiAs
Xingye Lu, H. Gretarsson, Rui Zhang +9
We study the structural and magnetic orders in electron-doped BaFe2-xNixAs2 by high-resolution synchrotron X-ray and neutron scatterings. Upon Ni-doping x, the nearly simultaneous…
Magnetic excitation spectrum of Na2IrO3 probed with resonant inelastic x-ray scattering
H. Gretarsson, J. P. Clancy, Yogesh Singh +8
The low energy excitations in Na2IrO3 have been investigated using resonant inelastic x-ray scattering (RIXS). A magnetic excitation branch can be resolved, whose dispersion reache…
Incommensurate dynamic correlations in the quasi-two-dimensional spin liquid BiCu2PO6
K. W. Plumb, Zahra Yamani, M. Matsuda +4
We report detailed inelastic neutron scattering measurements on single crystals of the frustrated two-leg ladder BiCu2PO6, whose ground state is described as a spin liquid phase wi…
Spin-orbital locked magnetic excitations in a half-metallic double perovskite Ba2FeReO6
K. W. Plumb, A. M. Cook, J. P. Clancy +5
We present a powder inelastic neutron scattering study of magnetic excitations in BaFeReO, a member of the double perovskite family of materials which exhibit half-metallic…