{
  "abstract": "A PbTiO3 epitaxial thin film grown on a DyScO3 substrate was studied by x-ray diffraction in the temperature range of 20-500 degrees Celsius. It is found that the ferroelectric to paraelectric phase transition proceeds through a peculiar transitional coexistence state extending between 402 degrees Celsius and 414 degrees Celsius. Within this temperature interval, at a temperature of 405 degrees Celsius, a domain structure transition occurs, at which the three-domain c/a1/a2 polytwin phase transforms into an ordinary c/a2 twinned phase. It is proposed that the coexistence of two independent twinned phases with the paraelectric phase is enabled by vertical strain gradients in the film.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.12071",
  "author_total": 4,
  "authors": [
    {
      "name": "M. Kopecký"
    },
    {
      "name": "J. Kub"
    },
    {
      "name": "E. de Prado"
    },
    {
      "name": "J. Hlinka"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/64ygx0grbspve.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.12071",
  "fulltext_url": null,
  "id": "64ygx0grbspve",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.12071",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.mes-hall"
    ],
    [
      "arxiv",
      "cond-mat.mtrl-sci"
    ],
    [
      "openalex",
      "2505|Ferroelectric and Piezoelectric Materials"
    ]
  ],
  "openalex": "W7212714882",
  "pdf_url": "https://arxiv.org/pdf/2609.12071",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-10",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/64ygx0grbspve.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:21:07Z",
      "native_id": "2609.12071",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.12071"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.mes-hall",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Unusual phase coexistence regime across the ferroelectric - paraelectric transition",
  "title_text": "Unusual phase coexistence regime across the ferroelectric - paraelectric transition",
  "type": "preprint",
  "updated_at": "2026-10-30T12:21:07Z",
  "url": "https://research.draconitic.com/paper/64ygx0grbspve",
  "venue": "arXiv",
  "versions": []
}