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Magnetization and specific heat of the dimer system CuTe2O5
R. M. Eremina, T. P. Gavrilova, A. Günther +7
We report on magnetization and specific heat measurements on single-crystalline CuTe2O5. The experimental data are directly compared to theoretical results for two different spin s…
Magnetic order and transitions in the spin-web compound Cu3TeO6
Martin Mansson, Krunoslav Prsa, Jun Sugiyama +3
The spin-web compound Cu3TeO6, belongs to an intriguing group of materials where magnetism is governed by 3d9 copper Cu2+ ions. This compound has been sparsely experimentally studi…
The Effect of Charge Order on the Plasmon Dispersion in Transition-Metal Dichalcogenides
Jasper van Wezel, Roman Schuster, Andreas König +4
We investigate the dispersion of the charge carrier plasmon in the three prototypical charge-density wave bearing transition-metal dichalcogenides 2H-TaSe2, 2H-TaS2 and 2H-NbSe2 em…
muSR investigation of magnetism and magnetoelectric coupling in Cu2OSeO3
A. Maisuradze, Z. Guguchia, B. Graneli +3
A detailed zero and transverse field (ZF&TF) muon spin rotation (muSR) investigation of magnetism and the magneto-electric coupling in Cu2OSeO3 is reported. An internal magnetic fi…
Unified quantitative model for magnetic and electronic spectra of the undoped cuprates
B. Dalla Piazza, M. Mourigal, M. Guarise +4
Using low-energy projection of the one-band t-t'-t"-Hubbard model we derive an effective spin-Hamiltonian and its spin-wave expansion to order 1/S. We fit the spin-wave dispersion…
Competing charge density waves and temperature-dependent nesting in 2H-TaSe2
Ph. Leininger, D. Chernyshov, A. Bosak +2
Multiple charge density wave (CDW) phases in 2H-TaSe2 are investigated by high-resolution synchrotron x-ray diffraction. In a narrow temperature range immediately above the commens…