135 citations · 525 across the 15 of their papers we have counts for
15 papers
Magnetization reversal through an antiferromagnetic state
Somnath Ghara, Evgenii Barts, Kirill Vasin +6
Magnetization reversal in ferro- and ferrimagnets is a well-known archetype of non-equilibrium processes, where the volume fractions of the oppositely magnetized domains vary and p…
Refining magnetic interactions from the magnetic field dependence of spin-wave excitations in magnetoelectric LiFePO
L. Peedu, V. Kocsis, D. Szaller +13
We investigated the spin excitations of magnetoelectric by THz absorption spectroscopy in magnetic fields up to 33T. By studying their selection rules, we fou…
Anomalous magnetic exchange in a dimerized quantum-magnet composed of unlike spin species
S. P. M. Curley, B. M. Huddart, D. Kamenskyi +15
We present here a study of the magnetic properties of the antiferromagnetic dimer material CuVOF(HO)HO, in which the dimer unit is composed of two different $S…
Bulk cyclotron resonance in the topological insulator Bi2Te3
Dmytro L. Kamenskyi, Artem V. Pronin, Hadj M. Benia +3
We investigated magneto-optical response of undoped Bi2Te3 films in the terahertz frequency range (0.3 - 5.1 THz, 10 - 170 cm-1) in magnetic fields up to 10 T. The optical transmis…
High-Field Quantum Disordered State in -RuCl3: Spin Flips, Bound States, and a Multi-Particle Continuum
A. Sahasrabudhe, D. A. S. Kaib, S. Reschke +15
Layered -RuCl3 has been discussed as a proximate Kitaev spin liquid compound. Raman and THz spectroscopy of magnetic excitations confirm that the low-temperature antiferromagnet…
Spin excitations of magnetoelectric LiNiPO in multiple magnetic phases
Laur Peedu, Vilmos Kocsis, Dávid Szaller +11
Spin excitations of magnetoelectric LiNiPO are studied by infrared absorption spectroscopy in the THz spectral range as a function of magnetic field through various commensurat…
Directional dichroism in the paramagnetic state of multiferroics: a case study of infrared light absorption in Sr2CoSi2O7 at high temperatures
J. Viirok, U. Nagel, T. Rõõm +12
The coexisting magnetic and ferroelectric orders in multiferroic materials give rise to a handful of novel magnetoelectric phenomena, such as the absorption difference for the oppo…
Experimental Observation of Bethe Strings
Zhe Wang, Jianda Wu, Wang Yang +8
Almost one century ago, string states - complex bound states (Wellenkomplexe) of magnetic excitations - have been predicted to exist in one-dimensional quantum magnets and since th…
Bifurcations observed in the spectra of coupled electron-phonon modes in multiferroic subjected to a magnetic field
K. N. Boldyrev, T. N. Stanislavchuk, A. A. Sirenko +3
We report on bifurcations effect mediated by the electron-phonon coupling in a concentrated rare-earth-containing antiferromagnet, observed in the spectra of coupled -electron-…
From confined spinons to emergent fermions: Observation of elementary magnetic excitations in a transverse-field Ising chain
Zhe Wang, Jianda Wu, Shenglong Xu +11
We report on spectroscopy study of elementary magnetic excitations in an Ising-like antiferromagnetic chain compound SrCoVO as a function of temperature and applied tra…
High-field spectroscopy of singlet-triplet transitions in the spin-dimer systems Sr3Cr2O8 and Ba3Cr2O8
Zhe Wang, D. Kamenskyi, O. Cépas +14
Magnetic excitations in the isostructural spin-dimer systems Sr3Cr2O8 and Ba3Cr2O8 are probed by means of high-field electron spin resonance at sub-terahertz frequencies. Three typ…
Direct determination of exchange parameters in Cs2CuBr4 and Cs2CuCl4: high-field ESR studies
S. A. Zvyagin, D. Kamenskyi, M. Ozerov +12
Spin-1/2 Heisenberg antiferromagnets CsCuCl and CsCuBr with distorted triangular-lattice structures are studied by means of electron spin resonance spectroscopy in…
Magnetic excitations in the spin-1/2 triangular-lattice antiferromagnet CsCuBr
S. A. Zvyagin, M. Ozerov, D. Kamenskyi +8
We report on high-field electron spin resonance (ESR) studies of magnetic excitations in the spin-1/2 triangular-lattice antiferromagnet CsCuBr. Frequency-field diagrams of…
Observation of an inter-sublattice exchange magnon in CoCrO and analysis of magnetic ordering
D. Kamenskyi, H. Engelkamp, T. Fischer +9
We report on an investigation of optical properties of multiferroic CoCrO at terahertz frequencies in magnetic fields up to 30 T. Below the ferrimagnetic transition (94…
THz-range free-electron laser ESR spectroscopy: techniques and applications in high magnetic fields
S. A. Zvyagin, M. Ozerov, E. Čižmár +6
The successful use of picosecond-pulse free-electron-laser (FEL) radiation for the continuous-wave THz-range electron spin resonance (ESR) spectroscopy has been demonstrated. The c…