{
  "id": "1111.6165",
  "version": "v1",
  "published": "2011-11-26T15:20:01.000Z",
  "updated": "2011-11-26T15:20:01.000Z",
  "title": "Proposal of a one-dimensional electron gas in the steps at the LaAlO$_3$-SrTiO$_3$ interface",
  "authors": [
    "N. C. Bristowe",
    "T. Fix",
    "M. G. Blamire",
    "P. B. Littlewood",
    "Emilio Artacho"
  ],
  "comment": "4 pages, 3 figures",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "The two-dimensional electron gas (2DEG) at the interface between LaAlO$_3$ (LAO) and SrTiO$_3$ (STO) has become one of the most fascinating and highly-debated oxide systems of recent times. Here we propose that a one-dimensional electron gas (1DEG) can be engineered at the step edges of the LAO/STO interface. These predictions are supported by first principles calculations and electrostatic modeling which elucidate the origin of the 1DEG as an electronic reconstruction to compensate a net surface charge in the step edge. The results suggest a novel route to increasing the functional density in these electronic interfaces.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2011-11-26T15:20:01.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "73.20.-r",
      "73.21.Ac"
    ],
    "keywords": [
      "one-dimensional electron gas",
      "step edge",
      "net surface charge",
      "two-dimensional electron gas",
      "first principles calculations"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "doi": "10.1103/PhysRevLett.108.166802",
      "journal": "Physical Review Letters",
      "year": 2012,
      "month": "Apr",
      "volume": 108,
      "number": 16,
      "pages": 166802
    },
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2012PhRvL.108p6802B"
    }
  }
}