Thin films of GeC deposited using a unique hollow cathode sputtering technique

J. S. Schrader, J. L. Huguenin-Love, R. J. Soukup, N. J. Ianno, C. L. Exstrom, S. A. Darveau, R. N. Udey, V. L. Dalal

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Experimental results on thin films of the new material GexC1-x, deposited by a unique dual plasma hollow cathode sputtering technique are presented here. The (Ge, C) system is extremely promising since the addition of C to Ge has reduced the lattice dimensions enough to allow a lattice match to silicon, while increasing the bandgap close to that of c-Si. The most important contribution of this work shows that by the non-equilibrium growth conditions present using the hollow cathode technique, one can grow Group IV materials which cannot otherwise be grown using normal CVD or MBE processes. The sputtering is accomplished by igniting a DC plasma of the Ar and H2 gases which are fed through Ge and C nozzles, cylindrical tubes 30 mm in length with an 8 mm OD and a 3 mm ID.

Original languageEnglish (US)
Pages (from-to)2338-2345
Number of pages8
JournalSolar Energy Materials and Solar Cells
Volume90
Issue number15
DOIs
StatePublished - Sep 22 2006

Fingerprint

Sputtering
Cathodes
Plasmas
Thin films
Silicon
Molecular beam epitaxy
Chemical vapor deposition
Nozzles
Energy gap
Gases

Keywords

  • Germanium carbide
  • Hollow cathode
  • Optical absorption

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Cite this

Thin films of GeC deposited using a unique hollow cathode sputtering technique. / Schrader, J. S.; Huguenin-Love, J. L.; Soukup, R. J.; Ianno, N. J.; Exstrom, C. L.; Darveau, S. A.; Udey, R. N.; Dalal, V. L.

In: Solar Energy Materials and Solar Cells, Vol. 90, No. 15, 22.09.2006, p. 2338-2345.

Research output: Contribution to journalArticle

Schrader, J. S. ; Huguenin-Love, J. L. ; Soukup, R. J. ; Ianno, N. J. ; Exstrom, C. L. ; Darveau, S. A. ; Udey, R. N. ; Dalal, V. L. / Thin films of GeC deposited using a unique hollow cathode sputtering technique. In: Solar Energy Materials and Solar Cells. 2006 ; Vol. 90, No. 15. pp. 2338-2345.
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AU - Soukup, R. J.

AU - Ianno, N. J.

AU - Exstrom, C. L.

AU - Darveau, S. A.

AU - Udey, R. N.

AU - Dalal, V. L.

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