Quantifying the Magnetic Diffuse Scattering Below the Spin Glass Transition in the Equimolar High-Entropy Alloy FeCoCrMnNi
High Entropy Alloys (HEAs), or single-phase random solid solutions, are characterized by excellent mechanical and magnetic properties, and have already begun to make their mark on the field of materials science. The core reasons for these remarkable behaviors are still unknown, however the local lattice strain caused by the use of 4 or more elements and the chemical disorder present in such systems make HEAs an interesting candidate for studying the effect of local disorder and long-range order on the dynamics of the system. Our group has already begun this task by studying the single crystal, equimolar HEA FeCoCrMnNi, finding surprisingly long-living phonons and interesting magnetic behavior. Here we propose to quantify the magnetic diffuse scattering below the spin glass transition, while also confirming the incoherent nuclear scattering that we have seen in our lattice dynamics study. This proposal is part of the last proposal round submissions for the thesis of S. Turner.
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Shelby R. Turner; BOURDAROT Frederic; DE BOISSIEU Marc; DOLINSEK Janez; GIORDANO Valentina; PAILHES Stephane; SCHOBER Helmut and WILDES Andrew. (2020). Quantifying the Magnetic Diffuse Scattering Below the Spin Glass Transition in the Equimolar High-Entropy Alloy FeCoCrMnNi. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-53-294
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