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Field induced phases in UPt2Si2
Dirk Schulze Grachtrup, Matthias Bleckmann, Britta Willenberg +6
The tetragonal compound UPt2Si2 has been characterised as a moderately mass enhanced system with an antiferromagnetic ground state below T_N = 32 K. Here, we present an extensive s…
Decorated Shastry-Sutherland lattice in the spin-1/2 magnet CdCu2(BO3)2
O. Janson, I. Rousochatzakis, A. A. Tsirlin +3
We report the microscopic magnetic model for the spin-1/2 Heisenberg system CdCu2(BO3)2, one of the few quantum magnets showing the 1/2-magnetization plateau. Recent neutron diffra…
Singlet-triplet excitations and high-field magnetization in CuTe2O5
Zhe Wang, M. Schmidt, Y. Goncharov +6
By measuring the THz electron spin resonance (ESR) transmission spectra and high-field magnetization on the spin-gapped system CuTeO, we identified the singlet-triplet exci…
Magnetotransport through graphene nanoribbons at high magnetic fields
S. Minke, S. H. Jhang, J. Wurm +6
We have investigated the magnetoresistance of lithographically prepared single-layer graphene nanoribbons in pulsed, perpendicular magnetic fields up to 60 T and performed correspo…
Magnetic properties and revisited exchange integrals of the frustrated chain cuprate PbCuSO(OH) - linarite
A. U. B. Wolter, F. Lipps, M. Schäpers +12
We present a detailed study in the paramagnetic regime of the frustrated = 1/2 spin-compound linarite, PbCuSO(OH), with competing ferromagnetic nearest-neighbor and ant…
Superposition of ferromagnetic and antiferromagnetic spin chains in the quantum magnet BaAg2Cu[VO4]2
Alexander A. Tsirlin, Angela Moeller, B. Lorenz +2
Based on density functional theory band structure calculations, quantum Monte-Carlo simulations, and high-field magnetization measurements, we address the microscopic magnetic mode…