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579 papers · 1 filter
Magnetic anisotropy and dipolar interactions in the frustrated triangular-lattice magnet NaGdS_2
J. Grumbach, E. Häußler, S. Luther +12
In this comprehensive study, we present results of bulk measurements (magnetization, specific heat, ac susceptibility, thermal expansion, and magnetostriction) combined with local…
Distinct spin and orbital dynamics in SrRuO
H. Suzuki, L. Wang, J. Bertinshaw +13
The unconventional superconductor SrRuO has long served as a benchmark for theories of correlated-electron materials. The determination of the superconducting pairing mecha…
Critical magnetic fluctuations in the layered ruthenates CaRuO and CaRuO
H. Trepka, T. Keller, M. Krautloher +5
Materials realizing the XY model in two dimensions (2D) are sparse. Here we use neutron triple-axis spectroscopy to investigate the critical static and dynamical magnetic fluctuati…
Soft X-ray Spectroscopy of Low-Valence Nickelates
M. Hepting, M. P. M. Dean, W. S. Lee
Low-valence nickelates including infinite-layer (IL) and trilayer (TL) compounds are longstanding candidates for mimicking the high-temperature superconductivity of cuprate…
Hidden Charge Order in an Iron Oxide Square-Lattice Compound
Jung-Hwa Kim, Darren C. Peets, Manfred Reehuis +14
Since the discovery of charge disproportionation in the FeO square-lattice compound SrFeO by Mössbauer spectroscopy more than fifty years ago, the spatial ordering…
Phases and Quantum Phase Transitions in Anisotropic Antiferromagnetic Kitaev-Heisenberg- magnet
Animesh Nanda, Adhip Agarwala, Subhro Bhattacharjee
We study the Kitaev-Heisenberg- model with antiferromagnetic Kitaev exchanges in the strong anisotropic (toric code) limit to understand the phases and the intervening phase tra…