Hysteresis Modeling and Micromagnetics

Heraklion, Crete, May 19-22, 2019

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Sunday, May 19, 2019
16:00 - 17:00 Registration
Introduction Session (M. Kläui)
17:00 - 17:45 Peter Fischer, Advanced magnetic x-ray spectromicroscopy - a path towards understanding novel spin textures at fundamental magnetic length and time scales
17:45 - 18:30 Christos Panagopoulos, Stabilizing zero-field skyrmions in Ir/Fe/Co/Pt thin film multilayers by magnetic history control
18:30 - 20:00 Welcome Reception


Monday, May 20, 2019
8:15 - 8:30In memory of Prof. Della Torre
Magnetic Solitons I (M. Garst)
8:30 - 9:00Mathias Kläui, Topological Dynamics – combining micromagnetic simulations and direct imaging to understand skyrmion dynamics
9:00 - 9:15Anne Bernand-Mantel, The skyrmion-bubble transition in a ferromagnetic thin film
9:15 - 9:30Guoqiang Yu, Anatomy of skyrmionic textures in magnetic multilayers
9:30 - 9:45Jonathan Leliaert, Coupling of the skyrmion velocity to its breathing mode in periodically notched nanotracks
9:45 - 10:00Luis Sanchez-Tejerina, Micromagnetic and analytical descriptions of antiferromagnets
10:00 - 10:15Yu Li, Investigation on Bloch point-mediated switching in magnetic skyrmions and antiskyrmions
10:15 - 10:30Pranaba Kishor Muduli, Skyrmion auto-oscillations in constrained ferromagnetic nanodisk
10:30 - 11:00 Coffee break
Hysteresis Modeling I (C. Visone)
11:00 - 11:30Kai Liu, Magnetization Reversal in Interconnected Nanowire Networks
11:30 - 11:45Joachim Gräfe, Interpreting FORC Diagrams Beyond the Preisach Model: an Experimental Permalloy Micro Array Investigation
11:45 - 12:00Alexandru Stancu, xyFORC vectorial technique for characterization of multi-phase magnetic systems
12:00 - 12:15Ümit Akıncı, Hysteresis behavior of the magnetic system driven by a time-dependent magnetic field with white noise
12:15 - 12:30Artur Chrobak, Optimization of hard magnetic properties of composites containing ultra-high coercive phases – simulations
12:30 - 14:30 Lunch break
Multiscale Modeling (M. d'Aquino)
14:30 - 15:00Bertrand Dupé, A multiscale approach to interfacial magnetism
15:00 - 15:15Oksana Chubykalo-Fesenko, Atomistic modeling of temperature-dependent domain walls in ferro and ferrimagnets
15:15 - 15:30Haydar Kanso, Effect of grain boundaries and atomic interdiffusion on the exchange bias properties of ferromagnetic/antiferromagnetic nanodots: a Monte Carlo investigation
15:30 - 15:45Min Yi, Evaluating anisotropic exchange effect in Nd-Fe-B magnet by combined ab initio calculation, atomistic spin model, and micromagnetic simulation
15:45 - 16:00Cyrill Muratov, Multidomain states in ultrathin ferromagnetic films with strong perpendicular magnetic anisotropy
16:00 - 16:30 Coffee break
Micromagnetics and Nanoparticles I (D. Berkov)
16:30 - 17:00Daniele Pinna, Reservoir Computing with Random Magnetic Textures
17:00 - 17:15Andreas Lyberatos, Dynamic coercivity of L10 FePt nanoparticles close to the Curie point
17:15 - 17:30Yusuf Yüksel, Effects of the particle size and shape of the magnetic nanoparticles on the magnetic hyperthermia and exchange bias properties
17:30 - 17:45Kenan Song, Spin Orbit Torque in Co/Graphene Hetero-System
17:45 - 18:30Panel Discussion, Intenational Credit Mobility
19:00 - 20:30Guided tour in the city


Tuesday, May 21, 2019
Magnetization Dynamics (G. Finocchio)
8:30 - 9:00Andrei Slavin, Vector Hamiltonian Description of Hysteretic Nonlinear Dynamics in Nano-Scale Magnetic Systems
9:00 - 9:15Elena Semenova, GPU-based massively parallel simulations of spin-torque-induced magnetization reversal in small nanoelements with applications to MRAM
9:15 - 9:30Vito Puliafito, Spin-Hall current driven spin-wave resonance in an antiferromagnetic material: a comparison between micromagnetic simulations and analytical calculations
9:30 - 9:45Johannes Ender, Two-Pulse Magnetic Field Free Switching Scheme for Advanced Perpendicular SOT-MRAM
9:45 - 10:00Massimiliano d'Aquino, Analysis of switching times statistical distributions for magnetic memories
10:00 - 10:15Alexander Chizhik, New scenarios of magnetization reversal related to spiral structures in magnetic microwires
10:15 - 10:30Ansaf Safin, Mutual Synchronization of Coupled THz-frequency Antiferromagnetic Spin-Hall Oscillators with Hysteretic Responses
10:30 - 11:00 Coffee break
Hysteresis Modeling II (K. Liu)
11:00 - 11:15Evangelos Hristoforou, Hysteretic and non-hysteretic stress-dependent behavior of magnetostrictive delay lines
11:15 - 11:30Vladimir Sokolovskiy , Monte Carlo simulations of hysteresis effects at the martensitic transformation
11:30 - 11:45Laurentiu Stoleriu, Time-dependent Stoner-Wohlfarth model
11:45 - 12:00Abdelahman Ghanim, Analytical Formulation to estimate the Dynamic Energy Losses in Electrical Steels: Effectiveness and Limitations
12:00 - 12:15Ciro Visone, Identification of a Preisach-based magneto-elastic model through its formal ‘thermodynamic’ constraints
12:15 - 12:30 Conference Picture
12:30 - 14:30 Lunch break
Magnetic Solitons II (Ch. Panagopoulos)
14:30 - 15:00Konstantin Gusliyenko, Magnetic skyrmions in ultrathin films and dots
15:00 - 15:15Markus Garst, Solitary wave excitations of skyrmion strings in chiral magnets
15:15 - 15:30Michalis Charilaou, Dynamical pair-creation of Bloch points upon magnetization reversal in ferromagnetic nanoparticles
15:30 - 15:45Nikolai Usov, Magnetostatic properties of assembly of magnetic vortices
15:45 - 16:00Giovanni Finocchio, Magnetic skyrmion entropy calculation based on a statistical thermodynamic approch
16:00 - 16:30 Coffee break
16:30 - 18:30Poster Session (J. Masell, O. Hovorka)
20:00 Conference Dinner


Wednesday, May 22, 2019
Hysteresis Modeling III (A. Stancu)
8:30 - 9:00Vittorio Basso, Magnetic refrigeration with hysteretic materials
9:00 - 9:15Ondrej Hovorka, Distributed heat production in clusters of magnetic nanoparticles
9:15 - 9:30Marcos De Campos, Hysteresis modification due to magnetostatic coupling
9:30 - 9:45Olga Miroshkina, Thermal hysteresis modeling for Ni2.18Mn0.85Ga0.97 Heusler alloy
9:45 - 10:00Virgil Provenzano, On the role of the leading anisotropy constant (K1) in the complex magnetic behavior of gadoliniumrevealed by magneto-thermal protocols
10:00 - 10:15Hari Prasad Rimal, Modelling of dynamic losses in soft ferrite cores.
10:15 - 10:30Mikhail Vaganov, Magnetic Hysteresis of Undermagnetized Magnetorheological Elastomers.
10:30 - 11:00 Coffee break
Micromagnetics and Nanoparticles II (A. Lyberatos)
11:00 - 11:30Jan Masell, Higher order discretization schemes and artificial boundary conditions for high-accuracy simulations of the micromagnetic model
11:30 - 11:45Sergey Erokhin, Single-grain micromagnetic approach for simulations of a nanocomposite
11:45 - 12:00Dmitry Berkov, Optimization of the "energy bounce" method for determination of the switching rate of magnetic nanoelements
12:00 - 12:15Ruslan Rytov, Dynamics of superparamagnetic nanoparticle in viscous liquid in rotating magnetic field
End of the Symposium
17:00 - 19:00Wine tasting Excursion

List of Poster Contributions
  1. Petru Andrei, Efficient numerical implementation of the fast multipole method in finite element simulations.
  2. Valerio Apicella, Stress Self-sensing in Amplified Piezoelectric Actuators through a Fully-Coupled Model of Hysteresis.
  3. Vittorio Basso, Walker's modes in ferromagnetic finite hollow cylinder.
  4. Andrey Chirtsov, Hysteresis Loops Modeling using Combined Rational and Power Functions.
  5. Krzysztof Chwastek, Towards a unified approach to hysteresis modeling and micromagnetics: A dynamic extension to the Harrison model.
  6. Massimiliano d'Aquino, Analysis of Thermal Switching and Chaotic Dynamics in ac-driven Nanomagnets.
  7. Giovanni Finocchio, Skyrmion based Random Bit Generator.
  8. Ioana Firastrau, Second order anisotropy contribution on magnetization dynamics in fully perpendicular spin transfer torque nano-oscillators.
  9. Przemyslaw Gawronski, Micromagnetic simulation of spiral domain structures in microwires under influence of circular magnetic field.
  10. Qihua Gong, Calculating coercivity at finite temperatures by micromagnetic simulations: a comparative study.
  11. Joachim Gräfe, Using FORC to understand the Microstructure-Micromagnetism Relationship in Supermagnets.
  12. Ondrej Hovorka, The effects of disorder on hysteresis loops in chiral magnets.
  13. Andrey Izotov, Micromagnetic simulation analysis of two-magnon relaxation processes in nanocrystalline thin films.
  14. Adam Jakubas, Modeling hysteresis loops of SMC cores with the Jiles-Atherton-Sablik description.
  15. Gülşen Karakoyun, Effects of the Double Gaussian Random Field Distribution on the Hysteresis Characteristics of the Magnetic Binary Alloy.
  16. Dimitris Kechrakos, Magnetic skyrmion formation on cylindrical surfaces with chiral interactions.
  17. Yu Li, Antiskyrmion-mediated phase transition in ideal and defective hexagonal skyrmion lattices.
  18. Valentina Lucaferri, Parallel Neural Networks system for dynamic magnetic hysteresis modelling.
  19. Valentina Lucaferri, A Neural Networks method based on Preisach model for hysteresis inverse problem.
  20. Mariya Matyunina, First principles study of structural and magnetic properties in Fe100-xGex alloys.
  21. Mariusz Najgebauer, Verification of self-similar model of hysteresis loop.
  22. Alberto Oliveri, Asymmetric power-law model for compensating rate-dependent hysteresis in piezoresistive strain sensors.
  23. Ioannis Panagiotopoulos, Magnetic states and dynamics of bistable square Fe nanoislands.
  24. Oksana Pavlukhina, Structural, magnetic and electronic properties of FeRh1-xPdx compounds: ab initio study.
  25. Carl-Martin Pfeiler, Computational studies of the nonlinear dynamics of magnetic skyrmions.
  26. Aleksei Samardak, Magnetic properties of Fe/Au barcode nanowire arrays and NdFeCoB nanoparticles studied by the FORC diagram method and micromagnetic simulations.
  27. Takashi Shirane, Preisach and Steinmetz analyses of asymmetric hysteresis curves measured by lock-in amplifier.
  28. Anastasios Skarlatos, Regression approach for steel characterization based on magnetic hysteresis.
  29. Alexandru Stancu, Typical hysterons and interactions in a multiphase flow of a ferrofluid in biological tissues.
  30. Jan Szczygłowski, The use of quasi-static loops of magnetic hysteresis in prediction losses in non-oriented electrotechnical sheets.
  31. Marius Volmer, Micromagnetic modelling of reversal nucleation generated by magnetic nanoparticles on spintronic sensors.
  32. Mikhail Zagrebin, Phenomenological modeling of thermal hysteresis in Ni2:18Mn0:82Ga Heusler alloys in magnetic field.
  33. Grzegorz Ziółkowski, Magnetization processes of irregular dendrite structures - a Monte Carlo study.