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Resist-substrate interface tailoring for generating high-density arrays of Ge and BiSe nanowires by electron beam lithography

Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics, ISSN: 2166-2754, Vol: 30, Issue: 4
2012
  • 16
    Citations
  • 0
    Usage
  • 29
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    16
    • Citation Indexes
      16
  • Captures
    29

Article Description

The authors report a chemical process to remove the native oxide on Ge and BiSe crystals, thus facilitating high-resolution electron beam lithography (EBL) on their surfaces using a hydrogen silsesquioxane (HSQ) resist. HSQ offers the highest resolution of all the commercially available EBL resists. However, aqueous HSQ developers such as NaOH and tetramethylammonium hydroxide have thus far prevented the fabrication of high-resolution structures via the direct application of HSQ to Ge and Bi Se, due to the solubility of components of their respective native oxides in these strong aqueous bases. Here we provide a route to the generation of ordered, high-resolution, high-density Ge and Bi Se nanostructures with potential applications in microelectronics, thermoelectric, and photonics devices. © 2012 American Vacuum Society.

Bibliographic Details

Richard G. Hobbs; Michael Schmidt; Ciara T. Bolger; Yordan M. Georgiev; Peter Fleming; Michael A. Morris; Nikolay Petkov; Justin D. Holmes; Faxian Xiu; Kang L. Wang; Vladimir Djara; Ran Yu; Jean Pierre Colinge

American Vacuum Society

Materials Science; Physics and Astronomy; Chemical Engineering; Engineering

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