{
  "abstract": "Hybrid superconductor-topological insulator (TI) nanostructures constitute a promising material platform for exploring proximity-induced superconductivity in systems with topologically protected surface states. A key obstacle has been the realization of clean and well-controlled superconductor-TI interfaces, as TI surfaces rapidly degrade under ambient conditions. Here, we introduce a fully in situ, multi-angle stencil lithography technique that enables the fabrication of proximitized charge islands in TIs. The approach combines selective area growth of (Bi,Sb)2Te3 nanoribbons with angle-controlled deposition of diffusion barriers, superconducting Al, and ultrathin oxide tunnel barriers, allowing scalable fabrication of hybrid nanostructures without post-growth processing. Low-temperature transport measurements reveal robust Coulomb blockade and a pronounced suppression of low-energy conductance, which vanishes with a magnetic field, consistent with proximity-induced superconductivity in the island. These results establish a versatile nanofabrication platform that enables access to previously unexplored TI-based hybrid quantum devices and opens new routes for investigating superconductivity in topological nanostructures.",
  "abstract_shown": true,
  "affiliations": [
    "PGI-9, Forschungszentrum Jülich and JARA Jülich-Aachen Research Alliance, 52425Jülich, Germany."
  ],
  "article_type": "research article",
  "arxiv": null,
  "author_total": 10,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Benedikt Frohn",
      "orcid": "0000-0002-1404-9230"
    },
    {
      "affs": [
        0
      ],
      "name": "Tobias Schmitt",
      "orcid": "0000-0001-8531-0742"
    },
    {
      "affs": [
        0
      ],
      "name": "Vanessa Serrano"
    },
    {
      "affs": [
        0
      ],
      "name": "Anne Schmidt"
    },
    {
      "affs": [
        0
      ],
      "name": "Michael Schleenvoigt"
    },
    {
      "affs": [
        0
      ],
      "name": "Albert Hertel"
    },
    {
      "affs": [
        0
      ],
      "name": "Benjamin Bennemann"
    },
    {
      "affs": [
        0
      ],
      "name": "Abdur Rehman Jalil",
      "orcid": "0000-0003-1869-2466"
    },
    {
      "affs": [
        0
      ],
      "name": "Detlev Grützmacher"
    },
    {
      "affs": [
        0
      ],
      "name": "Peter Schüffelgen",
      "orcid": "0000-0001-7977-7848"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/10bactybea8qh.bib",
  "cited_by": 0,
  "doi": "10.1021/acs.nanolett.6c02350",
  "fulltext_url": "https://europepmc.org/articles/PMC13674338",
  "id": "10bactybea8qh",
  "issns": [
    "1530-6984",
    "1530-6992"
  ],
  "landing_url": "https://europepmc.org/article/MED/42917066",
  "language": "eng",
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "openalex",
      "3107|Topological Materials and Phenomena"
    ]
  ],
  "openalex": "W7155158809",
  "pdf_url": "https://europepmc.org/articles/PMC13674338?pdf=render",
  "pmcid": "PMC13674338",
  "pmid": "42917066",
  "published": "2026-10-01",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/10bactybea8qh.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:20:36Z",
      "native_id": "MED:42917066",
      "source": "europepmc",
      "url": "https://europepmc.org/article/MED/42917066"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "openalex:3107|Topological Materials and Phenomena",
      "subfield": "amo"
    }
  ],
  "title": "Proximitized Topological Insulator Charge Island Fabricated via In Situ Multi-Angle Stencil Lithography.",
  "title_text": "Proximitized Topological Insulator Charge Island Fabricated via In Situ Multi-Angle Stencil Lithography.",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:20:36Z",
  "url": "https://research.draconitic.com/paper/10bactybea8qh",
  "venue": "Nano letters",
  "versions": []
}