The magnetic structure of 154SmCo5
The magnetic structure of the classical permanent magnet material SmCo5 will be studied within the whole range of ferro- and ferrimagnetically ordered states (2 K up to approximately 1050 K) by neutron powder diffraction. This will complement older studies at short wavelengths or during in situ studies of the hydrogenation behaviour of SmCo5. In contrast to that earlier work, this experiment will use a setup optimized for magnetic scattering and allow an accurate mapping of magnetic moments as a function of temperature. This will allow us to follow the changeover from the ferro- to a ferrimagnetic state at 354 K in more detail and to check for a previously suggested change back to ferromagnetism around 537 K. The strong neutron absorption will be overcome by using a sample with isotopically pure 154 Sm.
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Holger Kohlmann and Thomas C. Hansen. (2015). The magnetic structure of 154SmCo5. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2405
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