Quantitative analysis of the strain-lattice-spin coupling in alloys: a roadmap towards optimal magneto- strictive and caloric performance
Polycrystalline alloys with magneto-striction and -caloric effects (MSE & MCE) promise many forms of application in technology. One of the grand challenges for the next generation MSE (MCE) based alloys is performance optimization. The widely employed approach is fine tuning a parent MSE (MCE) compound by doping or substitution. While this method can lead to improved performance, it also inevitably generates strains and defects, which have double-edged contributions to performance. While these local constitutions are essential, the current understanding about them remains at a very preliminary level. This project, which directly studies the strain-lattice and -spin coupling effects, aims at delivering a microscopic model that could be used as a roadmap for performance optimization in these functional alloys.
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SHEN Lingjia; Ahmed Alshemi; BLACKBURN Elizabeth; CAMPILLO Emma; LAVER Mark; SAVVIN Stanislav; TEKIN Ela and Denis M. Vasiukov. (2020). Quantitative analysis of the strain-lattice-spin coupling in alloys: a roadmap towards optimal magneto- strictive and caloric performance. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-21-1148
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