{
  "annotation_id": "9d721520-fdc1-4394-a1cd-86e937c0a5d0",
  "date_created": "2026-03-02T18:01:24.169000Z",
  "date_modified": "2026-03-02T18:01:24.169000Z",
  "file_hash": "3c8cab0043eb7aa5bbc2dbe9da6798ebc73a26406184a795ff915a0dbe1d3c5c",
  "private": false,
  "record": {
    "abstract": "Optical second harmonic generation (SHG) is used as a noninvasive probe of\ntwo-dimensional (2D) ferroelectricity in Langmuir-Blodgett (LB) films of\ncopolymer vinylidene fluoride with trifluorethylene. The surface 2D\nferroelectric-paraelectric phase transition in the topmost layer of LB films\nand a thickness independent (almost 2D) transition in the bulk of these films\nare observed in temperature studies of SHG.",
    "arxiv_id": "physics/9909010",
    "authors": [
      "O. A. Aktsipetrov",
      "T. V. Misuryaev",
      "T. V. Murzina",
      "L. M. Blinov",
      "V. M. Fridkin",
      "S. P. Palto"
    ],
    "categories": [
      "physics.optics"
    ],
    "doi": "10.1364/OL.25.000411",
    "title": "Optical second harmonic generation probe of two-dimensional   ferroelectricity",
    "url": "https://arxiv.org/abs/physics/9909010"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "505eda1a-1d0c-44af-b54c-b66494d1eff0",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}