Conférences - Magnétisme - Allemagne

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1
Curvilinear Condensed Matter: Fundamentals and Applications
06 avr 2020 - 08 avr 2020 • Bad Honnef, Allemagne
Organisateur:
Wilhelm and Else Heraeus-Foundation seminar
Résumé:
Extending two-dimensional structures into the three-dimensional (3D) space has become a general trend in multiple disciplines, including electronics, photonics, plasmonics and magnetics. This approach provides means to modify conventional or to launch novel functionalities by tailoring curvature and 3D shape. In the case of 3D curved magnetic thin films and nanowires the physics is driven by the interplay between exchange and magnetostatic interactions, which contain spatial derivatives in their energy functionals. This makes both interactions sensitive to the appearance of bends and twists in the physical space. Theoretical works predict the curvature-induced effective anisotropy and effective Dzyaloshinskii-Moriya interaction resulting in a multitude of novel effects including magnetochiral effects (chirality symmetry breaking) and topologically induced magnetization patterning. Those 3D magnetic architectures are already proven to be application relevant for life sciences, targeted delivery, realization of 3D spin-wave filters, and magneto-encephalography devices to name just a few.
Sujets:
magnetism
Identifiant de l'évènement:
1330768
2
Workshop — Magnetic Small Angle Neutron Scattering – from Nanoscale Magnetism to Long‐Range Magnetic Structures
07 jui 2020 - 11 jui 2020 • Bad Honnef, Allemagne
Organisateur:
Wilhelm and Else Heraeus-Foundation seminar
Résumé:
This WE-Heraeus-Seminar focuses on the technique of magnetic small angle neutron scattering, which is one of the most important methods for magnetic microstructure determination in condensed-matter physics and materials science. Magnetic SANS provides access to bulk properties and yields, quite uniquely, information on the mesoscopic length scale (roughly 1-1000 nm). This is an important size regime where many macroscopic materials properties are realized. Currently, the magnetic SANS community can be roughly subdivided into two larger groups: the research of one group is anchored in the domain of condensed-matter physics with a focus on fundamental questions such as skyrmion crystals and topological spin structures, complex long-range-ordered spin structures, and vortex lattices in superconductors, while the second group of scientists employs the magnetic SANS method for scrutinizing nanoscale magnetism in terms of a micromagnetic continuum description; materials classes which are studied are e.g. permanent magnets, magnetic steels, nanoparticles and ferrofluids, or complex alloys. It is one of the central aims of this Heraeus seminar to bring both groups of researchers closer together by providing a stage for intra- and interdisciplinary scientific exchange. Besides, in view of the upcoming European Spallation Source, a further focus will be on future challenges related to neutron instrumentation, sample environment, and neutron data analysis.
Identifiant de l'évènement:
1330777
3
ESM2020 — The European School on Magnetism: Magnetism and societal challenges
28 sep 2020 - 09 oct 2020 • Saarbrücken, Allemagne
Résumé:
Like previous editions of ESM, the 2020 School aims at providing a thorough understanding of magnetism based on a broad series of fundamental lectures, while offering the latest insights into up-to-date aspects of magnetism with lectures focusing on a special topic. The topic covered in 2020 is Magnetism and Societal Challenges. The objective is to cover a wide range of fundamental to functional phenomena, to serve as a critical evaluation of the use of Magnetism to address societal challenges. The 2020 School will have a special format to achieve this objective, sharing time between academic lectures and project work in small teams. The School will be an opportunity for young scientists and lecturers from various fields to meet, share their expertise and build a network.
Identifiant de l'évènement:
1291652
4
ECMolS 2020 — 3rd European Conference on Molecular Spintronics
29 sep 2020 - 02 oct 2020 • Dortmund, Allemagne
Identifiant de l'évènement:
1291708
5
JCNS Workshop 2020 — Trends and Perspectives in Neutron Scattering: Quantum Materials From Bulk to Nano
13 oct 2020 - 16 oct 2020 • Tutzing, Allemagne
Organisateur:
Jülich Centre for Neutron Science (JCNS), Forschungszentrum Jülich
Résumé:
A tremendous interest in the fundamental research of quantum materials has been triggered by the recent improvements in superconductivity and magnetism in low dimensions, by the realization of emergent quasi-particles such as skyrmions and magnetic monopoles, as well as by the potential applications of such systems for future information technology. As unique probe for studying magnetism, neutron scattering matches the entire range of length- and time-scales relevant for many novel magnetic and electronic phenomena. The workshop is devoted to the area of quantum materials in all their forms and it will bring together experts with neutron scattering users to discuss recent developments and trends in the understanding of the magnetic properties of quantum materials tackled by neutron methods and complementary techniques. The workshop will discuss current requirements and developments in such techniques and it is particularly dedicated to novel and upcoming experimental opportunities to discuss the scientific options and capabilities.
Contact:
Email.: jcns-workshop@fz-juelich.de
Sujets:
Bulk, Frustrated spin systems, Nano and Heterostructures, Low dimensional quantum magnetism, Superconductivity, Models of quantum magnetic systems, Magnetic nanoparticles, Quantum spin liquids, Quantum materials properties at high magnetic fields, Skyrmions
Identifiant de l'évènement:
1333933
6
IWMNT 2021 - International Workshop on Magnetic Nanowires and Tubes 2021
06 sep 2021 - 10 sep 2021 • Waischenfeld, Allemagne
Résumé:
The 2021 edition of the International Workshop on Magnetic Nanowires and Tubes (IWMNT2021) will take place on September 6 to 10 2021 in Waischenfeld (Germany). Magnetic nanowires are now a mature topic. Although it started more than three decades ago, it thrives more than ever with new synthesis directions including tubes, core-shell and other three-dimensional designs, and an increasing number of investigations and functions revealed in single elements. Close connections exist with emerging topics such as 3D and curvilinear nanomagnetism and 3D spintronics. These research directions provide both opportunities for new frontiers of knowledge and potential for disruptive devices exploiting the third dimension of space. While these topics are present at international conferences, they rely by nature on an interdisciplinary effort involving various communities from chemists to experimental and theoretical physicists, who often do not have the opportunity to meet directly.
Sujets:
Magnetic nanowires, nanotubes, core-shell, three-dimensional scaffolds and nanostructures with curved geometries. Advanced synthesis methods, covering chemical, physical and nanofabrication methods. Dedicated characterization techniques, especially on single objects: low-noise, high-sensibility, revealing structural, magnetic, transport and other features with high resolution in space and/or time. Properties covering nanomagnetism, spintronic and multifunctional aspects Dedicated theory and simulations Existing and foreseen applications
Identifiant de l'évènement:
1330824


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Dernière mise à jour: 20 Février 2020