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    "title": "Real-space imaging of a skyrmion lattice in a thin magnetic film",
    "summary": "Yu and colleagues used Lorentz transmission electron microscopy to image magnetic textures in a thin Fe₀.₅Co₀.₅Si film. Under a perpendicular magnetic field, they observed a hexagonal arrangement of swirling in-plane magnetization with roughly 90-nanometre spacing, and tracked its change with field and temperature. A two-dimensional spin-model Monte Carlo calculation supplied a comparison for the observed phase diagram.",
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      "statement": "# Real-space imaging of a skyrmion lattice in a thin magnetic film\n\nYu and colleagues used Lorentz transmission electron microscopy to image magnetic textures in a thin Fe₀.₅Co₀.₅Si film. Under a perpendicular magnetic field, they observed a hexagonal arrangement of swirling in-plane magnetization with roughly 90-nanometre spacing, and tracked its change with field and temperature. A two-dimensional spin-model Monte Carlo calculation supplied a comparison for the observed phase diagram.\n\n## Scientific scope\n\nThe technique and transport-of-intensity analysis reconstruct in-plane magnetization; the out-of-plane spin direction was inferred by comparison with the model and field, not directly resolved by the images. The experiment concerns an electron-transparent thin specimen and finite field-temperature conditions; the experimental phase region exceeds that of the simplified simulation. It is distinct from earlier reciprocal-space neutron scattering and does not itself establish a skyrmion-based device, a universal zero-temperature phase or direct measurement of the complete three-dimensional spin field. The TIE reconstruction uses three focus planes and small-angle and weak-phase approximations; the reported Monte Carlo comparisons use finite periodic two-dimensional grids. Independent raw-image and simulation replay remain open.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nX. Z. Yu; Y. Onose; N. Kanazawa; J. H. Park; J. H. Han; Y. Matsui; N. Nagaosa; Y. Tokura\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [Real-space observation of a two-dimensional skyrmion crystal](https://www.if.ufrgs.br/~magusmao/FIP10604/RefsSemin/skyrmions1.pdf)\n- [Supplementary information: Real-space observation of a two-dimensional skyrmion crystal](https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fnature09124/MediaObjects/41586_2010_BFnature09124_MOESM321_ESM.pdf)\n",
      "summary": "Yu and colleagues used Lorentz transmission electron microscopy to image magnetic textures in a thin Fe₀.₅Co₀.₅Si film. Under a perpendicular magnetic field, they observed a hexagonal arrangement of swirling in-plane magnetization with roughly 90-nanometre spacing, and tracked its change with field and temperature. A two-dimensional spin-model Monte Carlo calculation supplied a comparison for the observed phase diagram.",
      "title": "Real-space imaging of a skyrmion lattice in a thin magnetic film"
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    "what_changed": "Yu and colleagues used Lorentz transmission electron microscopy to image magnetic textures in a thin Fe₀.₅Co₀.₅Si film. Under a perpendicular magnetic field, they observed a hexagonal arrangement of swirling in-plane magnetization with roughly 90-nanometre spacing, and tracked its change with field and temperature. A two-dimensional spin-model Monte Carlo calculation supplied a comparison for the observed phase diagram.",
    "scope": "Yu and colleagues used Lorentz transmission electron microscopy to image magnetic textures in a thin Fe₀.₅Co₀.₅Si film. Under a perpendicular magnetic field, they observed a hexagonal arrangement of swirling in-plane magnetization with roughly 90-nanometre spacing, and tracked its change with field and temperature. A two-dimensional spin-model Monte Carlo calculation supplied a comparison for the observed phase diagram. The technique and transport-of-intensity analysis reconstruct in-plane magnetization; the out-of-plane spin direction was inferred by comparison with the model and field, not directly resolved by the images. The experiment concerns an electron-transparent thin specimen and finite field-temperature conditions; the experimental phase region exceeds that of the simplified simulation. It is distinct from earlier reciprocal-space neutron scattering and does not itself establish a skyrmion-based device, a universal zero-temperature phase or direct measurement of the complete three-dimensional spin field. The TIE reconstruction uses three focus planes and small-angle and weak-phase approximations; the reported Monte Carlo comparisons use finite periodic two-dimensional grids. Independent raw-image and simulation replay remain open.",
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