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FM: Fachverband Funktionsmaterialien

FM 3: Focus Session: Novel mechanisms of ferroic switching (joint session MA/FM)

Montag, 9. März 2026, 09:30–12:00, POT/0151

This focus session highlights recent advances in ferroic switching across ferroelectric, multiferroic, ferroaxial and magnetic systems. Topics include topologically protected order-parameter dynamics, ultrafast non-thermal switching, and complex domain-wall phenomena revealed by atomistic modeling, ultrafast optics and advanced imaging. Contributions span machine-learning-based simulations of domain kinetics, optical control of ferroaxial and structural orders, multiferroic multi-cell memory concepts, and theoretically predicted unidirectional domain-wall motion with time-crystal behavior. Together, these works uncover new switching pathways and robust functional mechanisms, offering promising routes toward energy-efficient memory and quantum devices.

Organizer: Andrei Pimenov, andrei.pimenov@tuwien.ac.ac

	09:30	FM 3.1	Hauptvortrag: From ML to Kinetics: Modeling the Switching in Ferroelectric Wurtzites — •Andrew Rappe, Drew Behrendt, Atanu Samanta, and Von Braun Nascimento
	10:00	FM 3.2	Hauptvortrag: Topological order parameter switching — •Sergey Artyukhin
	10:30	FM 3.3	Hauptvortrag: Optical Control of Ferroaxial Order via Circular Phonon Excitation — •Zhiyang Zeng, Michael Först, Michael Fechner, Dharmalingam Prabhakaran, Paolo Radaelli, and Andrea Cavalleri
	11:00		15 min break
	11:15	FM 3.4	Coherent Control of Competing Structural Orders in SrTiO3 — •M. Fechner, H. Wang, M. Foerst, G. Orenstein, A. Disa, M. Trigo, and A. Cavalleri
	11:30	FM 3.5	Multi-cell unit storage based on a multiferroic — •Maksim Ryzhkov, Alexey Shuvaev, Maxim Mostovoy, Andrei Pimenov, Anna Pimenov, and Sergey Artyukhin
	11:45	FM 3.6	E-field induced unidirectional motion of domain wall in a ferromagnet and time crystals — •Margherita Parodi, Sergey Artyukhin, and Maxim Mostovoy