{
  "id": "0912.4700",
  "version": "v3",
  "published": "2009-12-23T17:48:18.000Z",
  "updated": "2010-06-12T16:33:21.000Z",
  "title": "Theory of phonon-drag thermopower of extrinsic semiconducting single-wall carbon nanotubes and comparison with previous experimental data",
  "authors": [
    "Margarita Tsaousidou"
  ],
  "comment": "21 pages, 6 figures. This version has been accepted for publication in Phys. Rev. B",
  "journal": "Phys. Rev. B 81, 235425 (2010); Phys. Rev. B 83, 079901 (2011)",
  "doi": "10.1103/PhysRevB.81.235425",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "A theoretical model for the calculation of the phonon-drag thermopower, $S^{g}$, in degenerately doped semiconducting single-wall carbon nanotubes (SWCNTs) is proposed. Detailed calculations of $S^{g}$ are performed as a function of temperature, tube radius and position of the Fermi level. We derive a simple analytical expression for $S^{g}$ that can be utilized to determine the free carrier density in doped nanotubes. At low temperatures $S^{g}$ shows an activated behavior characteristic of the one-dimensional (1D) character of carriers. Screening effects are taken into account and it is found that they dramatically reduce the magnitude of $S^{g}$. Our results are compared with previous published experimental data in bulk p-doped SWCNT materials. Excellent agreement is obtained in the temperature range 10-200 K for a consistent set of parameters. This is a striking result in view of the complexity of these systems.",
  "revisions": [
    {
      "version": "v3",
      "updated": "2010-06-12T16:33:21.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "72.20.Pa",
      "73.63.Fg",
      "63.20.kd",
      "63.22.Gh"
    ],
    "keywords": [
      "extrinsic semiconducting single-wall carbon nanotubes",
      "experimental data",
      "phonon-drag thermopower",
      "doped semiconducting single-wall carbon",
      "comparison"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review B",
      "year": 2010,
      "month": "Jun",
      "volume": 81,
      "number": 23,
      "pages": 235425
    },
    "note": {
      "typesetting": "TeX",
      "pages": 21,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2010PhRvB..81w5425T"
    }
  }
}