Sergey Artyukhin
(Multi)ferroics, magnetoelectric effect, topological defects and their dynamics, noncollinear magnets, Berry phase phenomena.
โ sergey@iqmt.euI am a condensed matter theorist using models and computational methods to describe effects of interactions in real materials. Interactions of many particles often result in complex orders and emergent behaviour, very different from the behaviour of isolated particles. My research is mainly focused on frustrated magnets and multiferroics, although I worked on a broad range of topics from dynamics in quantum Hall ferromagnets to excitonic optical absorption of semiconductors in high magnetic fields. I did my PhD with Maxim Mostovoy (Groningen) and my postdoc with David Vanderbilt and Karin Rabe, working in close collaboration with Sang-Wook Cheong (Rutgers). In 2015 I have joined the faculty of the Italian Institute of Technology in Genova, Italy as a leader of the Quantum Materials Theory group.
Publications
Thermal conductivity in noncollinear magnets
Highly controllable switching pathways in multiferroic GdMn2O5
Rocket-like dynamics of ferrimagnetic domain walls in graded materials
Larkin length as a criterion for antiferromagnetic writing
Observation of relativistic domain wall motion in amorphous ferrimagnets
Nonlocal magnetoelectric switching in spiral multiferroics
Competition between multiferroic and magnetic soliton lattice states in DyFeO3
Finite temperature magnetic interactions from first principles
Spiral multiferroics as a natural skyrmion racetrack
Group IV binary carbides with double layer honeycomb lattice structure
Trimerization domain walls and vortices in multiferroic BaCoSiO4
Multiferroic kinks and spin-flop transition in Ni2InSbO6 from first principles
Merons, hedgehogs and magnetoelectric switching in spiral multiferroics
Microscopic origin of the electric Dzyaloshinskii-Moriya interaction
Topologically protected magnetoelectric switching in a multiferroic
Ferroelectricity and topological vortices from molecular ordering in metal-organic frameworks
Electric field-induced domain wall motion in spin spiral multiferroics
Dzyaloshinskii-Moriya-like interaction in ferroelectrics and antiferroelectrics
Domain wall-localized phonons in BiFeO3: spectrum and selection rules
Thesis
- PhD thesis โ Sergey Artyukhin (February 2012)