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HL: Fachverband Halbleiterphysik

HL 20: Symposium SYCM: Crystallography in materials science

HL 20.5: Hauptvortrag

Montag, 31. März 2014, 17:15–17:45, HSZ 02

The key role of magnetic neutron diffraction in materials science — •Laurent C. Chapon — Institut Laue-Langevin, Grenoble, France

Since the 1950s, neutron scattering, and more specifically diffraction, has been a tool of choice for studying magnetism at the atomic scale. From the very first experimental proof of antiferromagnetism, a phenomenon predicted by Louis Néel, to unveiling how complex multiferroic materials work, the technique has always offered information of crucial importance to build the physical models that are required to explain macroscopic properties of materials. I will review briefly the historical development of magnetic neutron scattering and present key neutron diffraction experiments in recent areas of interest for condensed matter physicists, in particular highlighting the use of the technique for multiferroics and frustrated magnetic systems.