Synthesizing Skyrmion Molecules in Fe-Gd Thin Films
Authors:
- J. C. T LeeJLJ. C. T Lee
- S. K. MishraSMS. K. Mishra
- S. K. SinhaSSS. K. Sinha
- S. D. KevanSKS. D. Kevan
- S. RoySRS. Roy
Preprint
Abstract
We show that properly engineered amorphous Fe-Gd alloy thin films with perpendicular magnetic anisotropy exhibit room-temperature skyrmion molecules, or a pair of like-polarity, opposite-helicity skyrmions. Magnetic mirror symmetry planes present in the stripe phase, instead of chiral exchange, determine the internal skyrmion structure and the net achirality of the skyrmion phase. Our study shows that stripe domain engineering in amorphous alloy thin films may enable the creation of skyrmion phases with technologically desirable properties.Keywords
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This publication has 16 references indexed in Scilit:
- Discovery of stable skyrmionic state in ferroelectric nanocompositesNature Communications, 2015
- Two-dimensional skyrmions and other solitonic structures in confinement-frustrated chiral nematicsPhysical Review E, 2014
- Biskyrmion states and their current-driven motion in a layered manganiteNature Communications, 2014
- Gauge fields in real and momentum spaces in magnets: monopoles and skyrmionsPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2012
- Magnetic stripes and skyrmions with helicity reversalsProceedings of the National Academy of Sciences, 2012
- Spontaneous atomic-scale magnetic skyrmion lattice in two dimensionsNature Physics, 2011
- Skyrmion lattice in the doped semiconductorPhysical Review B, 2010
- The stability of vortex-like structures in uniaxial ferromagnetsJournal of Magnetism and Magnetic Materials, 1999
- Quantum Hall Skyrmions with higher topological chargePhysical Review B, 1997
- A unified field theory of mesons and baryonsNuclear Physics, 1962