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Magnetic interactions and topological spin textures in 2D van der Waals magnets and their heterostructures. – (CECAM flagship workshop). – 25-27 june 2025
25 June; 9h00 - 27 June; 17h00
CECAM Wokshop
Programm
(i) Magnetic interactions: Ab initio- or model-based approaches for calculating various magnetic interaction parameters such as exchange interaction, Dzyaloshinskii-Moriya interaction (DMI), anisotropy, or higher-order exchange interactions will be discussed.
(ii) Spin simulations: Various spin models based on either micromagnetic or atomistic approaches will be addressed. These models can be used to perform spin dynamics (e.g., the LLG equation), Monte Carlo simulations, thermodynamics, geodesic nudged elastic band calculations for energy barriers, transition state theory for skyrmion lifetime, etc.
(iii) Quantum transport: Magnetoresistance effects such as tunnel magnetoresistance, tunnel anisotropic magnetoresistance, noncollinear magnetoresistance, and colossal magnetoresistance in device setups for magnetic detections will be discussed. In addition, spin transfer torque, spin-orbit torque, or orbital torque to switch magnetization will be welcome.
(iv) Methodology developments: We also welcome the development of new tools in ab initio (DFT, rt-TDDFT, GW, DMFT) or spin model-based methods to study electronic structure, magnetism, and quantum transport.
(v) Experimental progress and challenges: Different experimental techniques, such as (Lorentz) TEM, (spinpolarized) STM, magneto-optic Kerr effect microscope, magnetic force microscopy, and XMCD, to visualize and characterize various magnetic structures will be addressed. Moreover, techniques for obtaining high-quality, large-area, atomically thin 2D magnets and heterostructures, such as molecular beam epitaxy and exfoliation, will be discussed.
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