Speaker
Dr
Claudio Mazzoli
(Politecnico di Milano)
Description
After pioneering experiments on the interaction between X-rays and spins, the advent of third generation synchrotron machines has definitely shown the versatility of Magnetic Resonant Elastic and Inelastic X-Ray Scattering in the investigation of magnetic materials.
In particular, the techniques benefits of chemical selectivity, high Q resolution and sensitivity to the angular part of magnetic moment to access fundamental microscopic information, resulting in powerful tools, complementary to neutron diffraction.
Nowadays, the investigation of complex and elusive magnetic structures, even in externally applied electric and magnetic fields is possible.
Results obtained on forefront scientific cases as frustrated magnetic systems [1], collinear and cycloidal multiferroics [2] are presented. In particular, magnetic structures solution, phase diagrams definition and magnetic interaction patterns determination have been successfully achieved, directly contributing to the understanding of key mechanisms active in the aforementioned classes of compounds.
[1] Phys. Rev. B 77 (2008) 140403R, Phys. Rev. B 78 (2008) 100406R
[2] Phys. Rev. B 78 (2008) 104407, Phys. Rev. B 83 (2011) 054438
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Resonant Elastic and Inelastic X-ray Scattering
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Talk
Primary author
Dr
Claudio Mazzoli
(Politecnico di Milano)
