{
  "id": "2311.11263",
  "version": "v1",
  "published": "2023-11-19T08:18:40.000Z",
  "updated": "2023-11-19T08:18:40.000Z",
  "title": "Effect of the entropy on the shear viscosity of metallic glasses near the glass transition",
  "authors": [
    "A. S. Makarov",
    "J. B. Cui",
    "J. C. Qiao",
    "G. V. Afonin",
    "N. P. Kobelev",
    "V. A. Khonik"
  ],
  "comment": "12 pages, 4 Figures",
  "categories": [
    "cond-mat.dis-nn"
  ],
  "abstract": "We measured the shear viscosity of 14 metallic glasses differing with their mixing entropy $\\Delta S_{mix}$. It is found that the viscosity at the glass transition temperature $T_g$ significantly increases with $\\Delta S_{mix}$. Using calorimetric data, we calculated the excess entropy of all glasses $\\Delta S$ with respect to their maternal crystalline states as a function of temperature. It is shown that the excess entropy $\\Delta S$ both at room temperature and at $T_g$ \\textit{decreases} with $\\Delta S_{mix}$. It is concluded that glasses with \"high mixing entropy\" $\\Delta S_{mix}$ correspond to MGs with \\textit{low} excess entropy $\\Delta S$. The origin of the increased shear viscosity at $T_g$ of glasses with high $\\Delta S_{mix}$ is determined by their reduced excess entropy $\\Delta S$.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2023-11-19T08:18:40.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "metallic glasses",
      "glass transition temperature",
      "maternal crystalline states",
      "high mixing entropy",
      "calorimetric data"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 12,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}