{
  "id": "2505.04798",
  "version": "v1",
  "published": "2025-05-07T20:48:29.000Z",
  "updated": "2025-05-07T20:48:29.000Z",
  "title": "Theoretically proposed controlled creation of Bloch-type skyrmions with spin-orbit torque in a chiral-ferromagnet/heavy-metal heterojunction",
  "authors": [
    "Yuto Uwabo",
    "Masahito Mochizuki"
  ],
  "comment": "10 pages, 8 figures",
  "categories": [
    "cond-mat.mes-hall",
    "cond-mat.str-el"
  ],
  "abstract": "The creation and manipulation of magnetic skyrmions in magnetic bilayer heterostructures via spin-orbit torque have been intensively studied in spintronics because of their potential application as information carriers in next-generation magnetic memory devices. However, experimental attempts have not always been successful. In this paper, we theoretically elucidate the underlying reasons for these difficulties and propose a practical method to overcome them by employing magnetic bilayer heterostructures that incorporate a chiral ferromagnetic layer hosting Bloch-type skyrmions instead of the conventional ferromagnetic layer that hosts N\\'{e}el-type skyrmions. Our micromagnetic simulations demonstrate that Bloch-type skyrmions can be controllably created in this system via spin-orbit torque exerted by a perpendicular spin current. This finding provides a promising platform and method for realizing skyrmion-based spintronic devices.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2025-05-07T20:48:29.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "spin-orbit torque",
      "chiral-ferromagnet/heavy-metal heterojunction",
      "controlled creation",
      "magnetic bilayer heterostructures",
      "ferromagnetic layer hosting bloch-type skyrmions"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 10,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}