Magnetic reorientation in Cobalt, spin-lattice coupling studies
This proposal is focused on the spin-lattice coupling in the hexagonal close packed Cobalt (hcp-Co) with ferromagnetic ordering. Below 505K the magnetic moments are oriented along the hexagonal [001]. Between 505K and 605K the magnetic moments gradually turn and above 605K they are confined to the (001) plane. Taking into account magnetic space groups ordered magnetic moments perpendicular to [001] are not possible in hexagonal symmetry, so one can propose a possible lowering (probably monoclinic) of the hcp-Co structure symmetry above 605K. We propose to study this question by using both neutron powder diffraction at D2B and SR powder diffraction at MSPD (ALBA in Barcelona – proposal recently submitted).
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PRZENIOSLO Radoslaw; FABRYKIEWICZ Piotr; FAUTH Francois; SOSNOWSKA Izabela and SUARD Emmanuelle. (2020). Magnetic reorientation in Cobalt, spin-lattice coupling studies. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2714
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