{
  "annotation_id": "c4169326-b631-48ba-aef3-08cf3612c41f",
  "date_created": "2026-03-02T18:00:38.970000Z",
  "date_modified": "2026-03-02T18:00:38.970000Z",
  "file_hash": "b7106f15f240f0c1cba30445f948302d799f9fbbb3095ab4e4b077623a6a9811",
  "private": false,
  "record": {
    "abstract": "The discovery of long bonds in gold atom chains has represented a challenge\nfor physical interpretation. In fact, interatomic distances frequently attain\n3.0-3.6 A values and, distances as large as 5.0 A may be seldom observed. Here,\nwe studied gold chains by transmission electron microscopy and performed\ntheoretical calculations using cluster ab initio density functional formalism.\nWe show that the insertion of two carbon atoms is required to account for the\nlongest bonds, while distances above 3 A may be due to a mixture of clean and\none C atom contaminated bonds.",
    "arxiv_id": "physics/0201008",
    "authors": [
      "Sergio B. Legoas",
      "Douglas S. Galvao",
      "Varlei Rodrigues",
      "Daniel Ugarte"
    ],
    "categories": [
      "physics.atm-clus",
      "physics.chem-ph"
    ],
    "doi": "10.1103/PhysRevLett.88.076105",
    "title": "Origin of anomalously long interatomic distances in suspended gold   chains",
    "url": "https://arxiv.org/abs/physics/0201008"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "5e44469c-c64f-44d2-85f3-9642a2d19bb1",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}