Magnetic Structure of High-Entropy Alloy
High-Entropy Alloys (HEAs) are simple cubic lattice structures that are single-phase random solid solutions of equimolar alloys that contain four or more elements. Recently, when measuring the phonon density of states of the HEA FeCrCoMnNi on IN6, we realized that we were also measuring a large magnetic signal. We are now interested in determining the magnetic properties of this material, and in particular how they interact (or not) with phonons to cause phonon-magnon coupling, phonon damping, etc. A recent publication has claimed that this material has two phase changes: paramagnetic to a super spin glass at 93 K, and then a super spin glass to ferromagnetic at 38 K. However, our preliminary study on IN5 has led us to believe that the material exhibits antiferromagnetic behavior below the second phase transition. We would like to determine the magnetic structure using D1B. This will help us identify where we can expect to have magnon dispersions.
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Shelby R. Turner and Claire V. Colin. (2020). Magnetic Structure of High-Entropy Alloy. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.EASY-560
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