{
  "id": "1606.07933",
  "version": "v1",
  "published": "2016-06-25T17:10:08.000Z",
  "updated": "2016-06-25T17:10:08.000Z",
  "title": "Work function of bulk-insulating topological insulator Bi2-xSbxTe3-ySey",
  "authors": [
    "Daichi Takane",
    "Seigo Souma",
    "Takafumi Sato",
    "Takashi Takahashi",
    "Kouji Segawa",
    "Yoichi Ando"
  ],
  "comment": "4pages, 2 figures",
  "categories": [
    "cond-mat.mes-hall",
    "cond-mat.str-el"
  ],
  "abstract": "Recent discovery of bulk insulating topological insulator (TI) Bi2-xSbxTe3-ySey paved a pathway toward practical device application of TIs. For realizing TI-based devices, it is necessary to contact TIs with a metal. Since the band-bending at the interface dominates the character of devices, knowledge of TIs' work function is of essential importance. We have determined the compositional dependence of work function in Bi2-xSbxTe3-ySey by high-resolution photoemission spectroscopy. The obtained work-function values (4.95-5.20 eV) show a systematic variation with the composition, well tracking the energy shift of the surface chemical potential seen by angle-resolved photoemission spectroscopy. The present result serves as a useful guide for developing TI-based electronic devices.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2016-06-25T17:10:08.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "bulk-insulating topological insulator bi2-xsbxte3-ysey",
      "work function",
      "high-resolution photoemission spectroscopy",
      "result serves",
      "angle-resolved photoemission spectroscopy"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}