109 research outputs found
Glide Symmetry Breaking and Quantum Criticality in the Ising Magnet CoNb2O6
No full textSee Readme.txt for details
Selective synthesis and crystal chemistry of candidate rare earth Kitaev materials honeycomb and hyperhoneycomb Na2PrO3: Data archive
No full textThis dataset contains plain text files containing the data presented in Figures 1, 4, 6, 7 and 8 of the corresponding manuscript published in Inorganic Chemistry
Avoided quasiparticle decay and enhanced excitation continuum in the spin-one-half near-Heisenberg triangular antiferromagnet Ba3CoSb2O9
No full textThe deposited package contains single crystal inelastic neutron scattering data of the triangular lattice antiferromagnet Ba3CoSb2O9; the zip file contains a series of ASCII data files, MATLAB plotting functions and a README.txt file that explains the data file formats
Single crystal growth from separated educts and its application to lithium transition-metal oxides: Data archive
No full textthe deposited package contains single-crystal x-ray diffraction data from which the crystal structure of alpha-Li2IrO3 was refined
Quasiparticle breakdown and spin Hamiltonian of the frustrated quantum pyrochlore Yb2Ti2O7 in magnetic field: data archive
No full textThe deposited package contains specific heat, magnetization and single-crystals inelastic neutron scatterig data of the frustrated pyrochlore magnet Yb2Ti2O7 in applied magnetic field
Chemical tuning between triangular and honeycomb structures in a 5d spin-orbit Mott insulator
No full textthe deposited package contains resistivity and x-ray diffraction data on the layered potassium-iridate materials KxIryO2 We report structural studies of the spin-orbit Mott insulator family KxIryO2, with triangular layers of edge-sharing IrO6 octahedra bonded by potassium ions. The potassium content acts as a chemical tuning parameter to control the amount of charge in the Ir-O layers. Unlike the isostructural families with Ir replaced by Co or Rh (y=1), which are metallic over a range of potassium compositions x, we instead find insulating behaviour with charge neutrality achieved via iridium vacancies, which order in a honeycomb supercell above a critical composition. By performing density functional theory calculations we attribute the observed behaviour to a subtle interplay of crystal-field environment, local electronic correlations and strong spin-orbit interaction at the Ir4+ sites, making this structural family a candidate to display Kitaev magnetism in the experimentally unexplored regime that interpolates between triangular and honeycomb structures
From continuum excitations to sharp magnons via transverse magnetic field in the spin-1/2 Ising-like triangular lattice antiferromagnet Na2BaCo(PO4)2 : data archive
No full textThe deposited package contains experimental single crystal inelastic neutron scattering data probing the spin dynamics in the quantum Ising-like triangular lattice antiferromagnet Na2BaCo(PO4)2 in in-plane magnetic field together with corresponding theoretical calculations of the spin dynamics, as well as single crystal x-ray diffraction data from the same material. A Matlab script to read and plot all data in ASCII files is also supplied
Spin dynamics of coupled spin ladders near quantum criticality in Ba2CuTeO6
No full textThe deposited package contains inelastic neutron scattering data of the spin dynamics in the coupled ladder system Ba2CuTeO6 and complementary theoretical calculation
Magnetic field dependence of excitations near spin-orbital quantum criticality: Data archive
No full textThe spinel FeSc2S4 has been proposed to realize a near-critical spin-orbital singlet (SOS) state, where entangled spin and orbital moments fluctuate in a global singlet state on the verge of spin and orbital order. Here we report powder inelastic neutron scattering measurements that observe the full bandwidth of magnetic excitations and we find that spin-orbital triplon excitations of an SOS state can capture well key aspects of the spectrum in both zero and applied magnetic fields up to 8.5 T. The observed shift of low-energy spectral weight to higher energies upon increasing applied field is naturally explained by the entangled spin-orbital character of the magnetic states, a behaviour that is in strong contrast to spin-only singlet ground state systems, where the spin gap decreases upon increasing applied field
Compass-model physics on the hyperhoneycomb lattice in the extreme spin-orbit regime: Data archive
No full textThis dataset contains plain text files containing the data presented in the corresponding manuscript
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