DOE OSTI · 3006491
Skyrmion-like Spin Textures Emerging in the Material Derived from Structural Frustration
Abstract
Magnetic materials with complex spin textures present both fundamental and practical appeal. The complex patterns of magnetic moments emerging on underlying crystal lattices hold potential for robust information storage and processing, including the promise of topological quantum computing. The scope of materials that host such patterns, however, remains rather limited. Here, in this study, we report a discovery of a complex spin texture in a noncentrosymmetric material that emerges from the structural frustration at the boundary between centrosymmetric parent structures MnCoGe (the hexagonal Ni 2 In or the orthorhombic TiNiSi structure type) and MnCoAs (the TiNiSi structure type). Our findings demonstrate that such structural frustration provides a powerful handle for identifying compositional spaces where complex magnetic behavior and associated nontrivial magnetic structures are likely to emerge. Thus, the new phase MnCoGe 1/3 As 2/3 exhibits a modulated cycloidal antiferromagnetic arrangement of electron spins on a noncentrosymmetric lattice (of the hexagonal ZrNiAl type) that materializes in the space between centrosymmetric collinear ferromagnets. This work provides a pathway for discovering novel materials with exotic spin textures for next-generation spintronics and quantum technologies.
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Wang, YiXu [Florida State University, Tallahassee, FL (United States); University of Science and Technology Beijing (China); RWTH Aachen University (Germany)], Campbell, Ian [Florida State University, Tallahassee, FL (United States)], Tener, Zachary P. [Florida State University, Tallahassee, FL (United States)], Clark, Judith K. [Florida State University, Tallahassee, FL (United States)] (ORCID:0000000150223462), Graterol, Jacnel [Florida State University, Tallahassee, FL (United States)], Rogalev, Andrei [European Synchrotron Radiation Facility (ESRF), Grenoble (France)], Wilhelm, Fabrice [European Synchrotron Radiation Facility (ESRF), Grenoble (France)], Zhang, Hu [University of Science and Technology Beijing (China)] (ORCID:0000000187268605), Long, Yi [University of Science and Technology Beijing (China)], Dronskowski, Richard [RWTH Aachen University (Germany)] (ORCID:0000000219259624), Wang, Xiaoping [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000171438112), Shatruk, Michael [Florida State University, Tallahassee, FL (United States)] (ORCID:0000000228834694). 2025-11-12. Skyrmion-like Spin Textures Emerging in the Material Derived from Structural Frustration. https://doi.org/10.1021/jacs.5c12764
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