activity
20202026
most citedLattice dynamics and spontaneous magnetodielectric effect in ilmenite CoTiO

32 citations · 68 across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.mes-hall2026

Interaction between Rydberg Excitons in Cuprous Oxide Revealed through Resonant Second Harmonic Generation

Andreas Farenbruch, Henje Stolz, Peter Grünwald +5

We report experimental and theoretical investigations of interacting excitons of the yellow series in cuprous oxide (CuO) with principal quantum numbers up to by means of secon…

cond-mat.mtrl-sci2025

Polarization- and time-resolved nonlinear multi-photon spectroscopy for confocal microscopy of semiconductor nanostructures

Nikita V. Siverin, Andreas Farenbruch, Dmitri R. Yakovlev +4

We present a versatile confocal microscopy setup for optical second harmonic generation (SHG) and multi-photon spectroscopy that enables polarization-resolved studies of semiconduc…

cond-mat.mtrl-sci2025★ 1 cited

Coherence of dipole-forbidden Rydberg excitons in CuO measured by polarization- and time-resolved multi-photon spectroscopy

A. Farenbruch, N. V. Siverin, G. Uca +3

Quantum applications of solid state systems base upon generation and control of coherent electronic excitations. Prominent examples are exciton states in semiconductors excitable b…

cond-mat.mtrl-sci2025

Interaction between Rydberg Excitons in Cuprous Oxide Revealed through Second Harmonic Generation

Dirk Semkat, Heinrich Stolz, Peter Grünwald +5

We report experimental and theoretical investigations of interacting excitons of the yellow series in cuprous oxide (CuO) with principal quantum numbers up to by means of…

cond-mat.mes-hall2025

Nonreciprocal magnetic-field-induced second harmonic generation of exciton polaritons in ZnSe

J. Mund, D. R. Yakovlev, A. Farenbruch +5

We report on the optical second harmonic generation (SHG) on the 1S exciton-polariton resonance in bulk ZnSe that is subject to an external magnetic field applied perpendicular to…

cond-mat.mtrl-sci2025★ 4 cited

Efficient launch of shear phonons in photostrictive halide perovskites

Dmytro Horiachyi, Mikhail O. Nestoklon, Ilya A. Akimov +10

Optical generation of transverse coherent phonons by femtosecond light pulses is appealing for high-speed sub-THz active control of material properties. Lead-free double perovskite…

cond-mat.mtrl-sci2024★ 6 cited

Polar phonons and magnetic excitations in the antiferromagnet CoF

R. M. Dubrovin, A. Tellez-Mora, A. C. Garcia-Castro +6

The coupling between antiferromagnetic spins and infrared-active phonons in solids is responsible for many intriguing phenomena and is a field of intense research with extensive po…

cond-mat.mtrl-sci2021★ 25 cited

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…

cond-mat.mtrl-sci2020★ 32 cited

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…