512 citations · 5.4k across the 68 of their papers we have counts for
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Correlated electron metal properties of the honeycomb ruthenate NaRuO
L. S. I. Veiga, M. Etter, E. Cappelli +7
We report the synthesis and characterisation of polycrystalline NaRuO, a layered material in which the Ru ( configuration) form a honeycomb lattice. The optima…
Spontaneous cycloidal order mediating a spin-reorientation transition in a polar metal
C. D. Dashwood, L. S. I. Veiga, Q. Faure +9
We show how complex modulated order can spontaneously emerge when magnetic interactions compete in a metal with polar lattice distortions. Combining neutron and resonant x-ray scat…
Laser-Induced Transient Magnons in Sr3Ir2O7 Throughout the Brillouin Zone
D. G. Mazzone, D. Meyers, Y. Cao +32
Although ultrafast manipulation of magnetism holds great promise for new physical phenomena and applications, targeting specific states is held back by our limited understanding of…
Temperature dependence of the anomaly in the excitation spectrum of the 2D quantum Heisenberg antiferromagnet
W. Wan, N. B. Christensen, A. W. Sandvik +7
It is well established that in the low-temperature limit, the two-dimensional quantum Heisenberg antiferromagnet on a square lattice (2DQHAFSL) exhibits an anomaly in its spectrum…
High-resolution resonant inelastic x-ray scattering study of the electron-phonon coupling in honeycomb -LiIrO
J. G. Vale, C. D. Dashwood, E. Paris +11
The excitations in honeycomb -LiIrO have been investigated with high-resolution resonant inelastic x-ray scattering (RIXS) at the O K edge. The low-energy response is do…
Selective probing of magnetic order on Tb and Ir sites in stuffed TbIrO using resonant X-ray scattering
C. Donnerer, M. C. Rahn, E. Schierle +7
We study the magnetic structure of the "stuffed" (Tb-rich) pyrochlore iridate TbIrO, using resonant elastic x-ray scattering (REXS). In order to disentangle…
Strong quantum fluctuations due to competition between magnetic phases in a pyrochlore iridate
Henrik Jacobsen, Cameron D. Dashwood, Elsa Lhotel +6
We report neutron diffraction measurements of the magnetic structures in two pyrochlore iridates, Yb2Ir2O7 and Lu2Ir2O7. Both samples exhibit the all-in-all-out magnetic structure…
Resonant inelastic x-ray scattering of magnetic excitations under pressure
Matteo Rossi, Christian Henriquet, Jeroen Jacobs +15
Resonant inelastic x-ray scattering (RIXS) is an extremely valuable tool for the study of elementary, including magnetic, excitations in matter. Latest developments of this techniq…
Pressure-induced structural dimerization in the hyperhoneycomb iridate -LiIrO at low temperatures
L. S. I. Veiga, K. Glazyrin, G. Fabbris +10
A pressure-induced collapse of magnetic ordering in -LiIrO at GPa has previously been interpreted as evidence for possible emergence of spin liquid state…
Momentum-resolved lattice dynamics of parent and electron-doped SrIrO
C. D. Dashwood, H. Miao, J. G. Vale +11
The mixing of orbital and spin character in the wave functions of the iridates has led to predictions of strong couplings among their lattice, electronic and magnetic degrees…
Critical fluctuations in the spin-orbit Mott insulator SrIrO
J. G. Vale, S. Boseggia, H. C. Walker +5
X-ray magnetic critical scattering measurements and specific heat measurements were performed on the perovskite iridate SrIrO. We find that the magnetic interactions cl…
Thermal control of spin excitations in the coupled Ising-chain material RbCoCl3
M. Mena, N. Hänni, S. Ward +8
We have used neutron spectroscopy to investigate the spin dynamics of the quantum (S = 1/2) antiferromagnetic Ising chains in RbCoCl3. The structure and magnetic interactions in th…
Tuning of the Ru ground-state orbital population in the Mott insulator CaRuO achieved by La doping
D. Pincini, L. S. I. Veiga, C. D. Dashwood +6
The ground-state orbital occupancy of the Ru ion in CaLaRuO [x=0, 0.05(1), 0.07(1) and 0.12(1)] was investigated by performing X-ray absorption spectroscopy…
Evolution of the magnetic excitations in NaOsO through its metal-insulator transition
James G Vale, Stuart Calder, Christian Donnerer +8
The temperature dependence of the excitation spectrum in NaOsO through its metal-to-insulator transition (MIT) at 410 K has been investigated using resonant inelastic…
Nuclear resonant scattering from 193Ir as a probe of the electronic and magnetic properties of iridates
Pavel Alexeev, Olaf Leupold, Ilya Sergueev +6
The high brilliance of the modern synchrotron radiation sources facilitates experiments with high energy x-rays. In this Letter we report on Nuclear Resonance Scattering at the 73…
High-pressure insulator-to-metal transition in SrIrO studied by x-ray absorption spectroscopy
C. Donnerer, M. Moretti Sala, S. Pascarelli +7
High-pressure x-ray absorption spectroscopy was performed at the Ir and absorption edges of SrIrO. The branching ratio of white line intensities continuousl…
Dispersive Magnetic and Electronic Excitations in Iridate Perovskites Probed with Oxygen -Edge Resonant Inelastic X-ray Scattering
Xingye Lu, Paul Olalde-Velasco, Yaobo Huang +11
Resonant inelastic X-ray scattering (RIXS) experiments performed at the oxygen- edge on the iridate perovskites {\SIOS} and {\SION} reveal a sequence of well-defined dispersive…
Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO
J. G. Vale, S. Calder, C. Donnerer +8
NaOsO undergoes a metal-insulator transition (MIT) at 410 K, concomitant with the onset of antiferromagnetic order. The excitation spectra have been investigated throu…
Anisotropic exchange and spin-wave damping in pure and electron-doped SrIrO
Davide Pincini, James G. Vale, Christian Donnerer +6
The collective magnetic excitations in the spin-orbit Mott insulator (SrLa)IrO () were investigated by means of resonant inelastic x-r…
Bound states and field-polarized Haldane modes in a quantum spin ladder
S. Ward, P. Bouillot, C. Kollath +10
The challenge of one-dimensional systems is to understand their physics beyond the level of known elementary excitations. By high-resolution neutron spectroscopy in a quantum spin…
Strongly Gapped Spin-Wave Excitation in the Insulating Phase of NaOsO3
S. Calder, J. G. Vale, N. Bogdanov +13
NaOsO3 hosts a rare manifestation of a metal-insulator transition driven by magnetic correlations, placing the magnetic exchange interactions in a central role. We use resonant ine…
All-in all-out magnetic order and propagating spin-waves in Sm2Ir2O7
C. Donnerer, M. C. Rahn, M. Moretti Sala +7
Using resonant magnetic x-ray scattering we address the unresolved nature of the magnetic groundstate and the low-energy effective Hamiltonian of SmIrO, a prototypical…
Pressure dependence of the structure and electronic properties of Sr3Ir2O7
C. Donnerer, Z. Feng, J. G. Vale +9
We study the structural evolution of SrIrO as a function of pressure using x-ray diffraction. At a pressure of 54 GPa at room temperature, we observe a first-order stru…
The importance of XY anisotropy in Sr2IrO4 revealed by magnetic critical scattering experiments
J. G. Vale, S. Boseggia, H. C. Walker +9
The magnetic critical scattering in SrIrO has been characterized using X-ray resonant magnetic scattering (XRMS) both below and above the 3D antiferromagnetic ordering temp…