THz Time Domain Spectroscopy of Thin Gold Layers on GaAs

• Authors: J. Szczytko , R. Adomavicius , E. Papis , A. Barańska , A. Wawro , A. Krotkus , B. Piętka , J. Łusakowski
• Languages of publication: EN

Abstracts

EN

Thin layers of Au with the thickness of several nanometers were prepared on a semi-insulating GaAs substrate. The layers' thickness was determined by ellipsometry. THz time-domain spectroscopy was applied to determine a complex index of refraction of thin Au layers. The obtained results allow for a more precise modeling of the performance of semiconductor devices at THz frequencies.

Keywords

EN

78.66.Bz; 78.68.+m

Discipline

• 78.68.+m: Optical properties of surfaces
• 78.66.Bz: Metals and metallic alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 6
• Pages: 1118-1120

Dates

published

2012-12

Contributors

author

J. Szczytko

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland

author

R. Adomavicius

• Center for Physical Sciences and Technology, A. Gostauto 11, 01108, Vilnius, Lithuania

author

E. Papis

• Institute of Electron Technology, al. Lotników 32/46, 02-668 Warsaw, Poland

author

A. Barańska

• Institute of Electron Technology, al. Lotników 32/46, 02-668 Warsaw, Poland

author

A. Wawro

• Institute of Physics, PAS, al. Lotników 32/46, 02-668 Warsaw, Poland

author

A. Krotkus

• Center for Physical Sciences and Technology, A. Gostauto 11, 01108, Vilnius, Lithuania

author

B. Piętka

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland

author

J. Łusakowski

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland

References

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• 2. P.B. Johnson, R.W. Christy, Phys. Rev. B 6, 4370 (1972)
• 3. M.A. Ordal, L.L. Long, R.J. Bell, S.E. Bell, R.R. Bell, R.W. Alexander, Jr., C.A. Ward, Appl. Opt. 22, 1099 (1983)
• 4. M.A. Ordal, R.J. Bell, R.W. Alexander, Jr, L.L. Long, M.R. Querry, Appl. Opt. 24, 4493 (1985)
• 5. Landolt-Bornstein Database, 'Electronic structure and transport - 4. Optical properties of pure metals and binary alloys - 4.2 Drude parameters of pure metals', Springer Materials Database, p. 214

Identifiers

DOI

10.12693/APhysPolA.122.1118