222 citations · 955 across the 28 of their papers we have counts for
18 papers · 1 filter
Antiferromagnetic nonreciprocity of light emission in CuBO
A. R. Nurmukhametov, D. R. Yakovlev, V. Yu. Ivanov +4
Nonreciprocity of light emission, when the radiation intensity differs for two opposite propagation directions, is a rare phenomenon in solids because it requires a violation of th…
Lattice dynamics and mixing of polar phonons in the rare-earth orthoferrite TbFeO
R. M. Dubrovin, E. M. Roginskii, V. A. Chernyshev +10
Rare-earth orthoferrites are a promising platform for antiferromagnetic spintronics with a rich variety of terahertz spin and lattice dynamics phenomena. For instance, it has been…
Giant intrinsic nonlinear phonon-magnon coupling in the antiferromagnet CoF
M. A. Prosnikov, M. Bal, R. V. Pisarev +2
The observation of strongly coupled lattice and spin dynamics in altermagnet CoF is reported. On the background of the expected spin-phonon interaction leading to renormalizati…
Laser-driven first-order spin reorientation and Verwey phase transitions in the magnetite FeO beyond the range of thermodynamic equilibrium
A. V. Kuzikova, L. A. Shelukhin, F. M. Maksimov +3
Ultrafast photo-induced phase transitions occurring under the impact of femtosecond laser pulses provide versatile opport unities for switching solids between distinctly-different…
Incipient geometric lattice instability of cubic fluoroperovskites
R. M. Dubrovin, A. C. Garcia-Castro, N. V. Siverin +4
Inorganic metal halide perovskites are promising materials for next-generation technologies due to a plethora of unique physical properties, many of which cannot be observed in the…
Lattice dynamics and spontaneous magnetodielectric effect in ilmenite CoTiO
R. M. Dubrovin, N. V. Siverin, M. A. Prosnikov +5
Ilmenite-type crystals find a variety of technological applications due to their intriguing physical properties. We present the results of the lattice dynamics studies of honeycomb…
Magneto-toroidal nonreciprocity of second harmonic generation
J. Mund, D. R. Yakovlev, A. N. Poddubny +3
The Lorentz reciprocity principle is a fundamental concept that governs light propagation in any optically linear medium in zero magnetic field. Here, we demonstrate experimentally…
Lattice and magnetic dynamics in polar chiral incommensurate antiferromagnet NiInSbO
M. A. Prosnikov, A. N. Smirnov, V. Yu. Davydov +3
Complex systems with coexisting polarity, chirality and incommensurate magnetism are of great interest because they open new degrees of freedom in interaction between different sub…
Third harmonic generation on exciton-polaritons in bulk semiconductors subject to a magnetic field
W. Warkentin, J. Mund, D. R. Yakovlev +7
We report on a comprehensive experimental and theoretical study of optical third harmonic generation (THG) on the exciton-polariton resonances in the zinc-blende semiconductors GaA…
Exciton spectroscopy of semiconductors by the method of optical harmonics generation
D. R. Yakovlev, V. V. Pavlov, A. V. Rodina +4
Nonlinear optical phenomena are widely used for the study of semiconductor materials. The paper presents an overview of experimental and theoretical studies of excitons by the meth…
Excitation of multiple phonon modes in copper metaborate CuBO via non-resonant impulsive stimulated Raman scattering
Kotaro Imasaka, Roman V. Pisarev, Leonard N. Bezmaternykh +3
Excitation of four coherent phonon modes of different symmetries has been realized in copper metaborate CuBO via impulsive stimulated Raman scattering (ISRS). Phonons were…
Magnetic-field-induced crossover from the inverse Faraday effect to the optical orientation in EuTe
V. V. Pavlov, R. V. Pisarev, S. G. Nefedov +6
A time-resolved optical pump-probe technique has been applied for studying the ultrafast dynamics in the magnetic semiconductor EuTe near the absorption band gap. We show that appl…
Lattice dynamics and electronic transitions in a structurally-complex layered copper borate Cu(BO)
A. D. Molchanova, M. A. Prosnikov, R. M. Dubrovin +5
Copper borate Cu(BO) is a complex compound with a layered crystallographic structure in which the Jahn-Teller active and magnetic copper Cu ions occupy sixteen n…
High resolution resonant inelastic EUV scattering from orbital excitations in a Heisenberg antiferromagnet
Antonio Caretta, Martina Dell'Angela, Yi-De Chuang +11
We report the high resolution resonant inelastic EUV scattering study of quantum Heisenberg antiferromagnet KCoF3. By tuning the EUV photon energy to cobalt M23 edge, a complete se…
Dissecting spin-phonon equilibration in ferrimagnetic insulators by ultrafast lattice excitation
Sebastian F. Maehrlein, Ilie Radu, Pablo Maldonado +8
To gain control over magnetic order on ultrafast time scales, a fundamental understanding of the way electron spins interact with the surrounding crystal lattice is required. Howev…
Lattice and spin dynamics in a low-symmetry antiferromagnet NiWO
M. A. Prosnikov, V. Yu. Davydov, A. N. Smirnov +4
Lattice and magnetic dynamics of NiWO single crystals were studied with the use of polarized Raman spectroscopy in a wide temperature range of 10-300 K including the antiferrom…
Antiferromagnetic dichroism and Davydov splitting of 3d-excitons in a complex multisublattice magnetoelectric CuB2O4
K. N. Boldyrev, R. V. Pisarev, L. N. Bezmaternykh +1
The space and time symmetry breaking at magnetic phase transitions in multiferroics results in a number of strongly pronounced optical effects. Our high-resolution spectroscopic st…
Optical properties and electronic structure of multiferroic hexagonal orthoferrites RFeO3 (R=Ho, Er, Lu)
V. V. Pavlov, A. R. Akbashev, A. M. Kalashnikova +4
We report on optical studies of the thin films of multiferroic hexagonal (P.G. 6mm) rare-earth orthoferrites RFeO3 (R=Ho, Er, Lu) grown epitaxially on a (111)-surface of ZrO2(Y2O3)…