Dielectric functions (1 to 5 eV) of wurtzite MgxZn1-xO(x≤0.29) thin films

R. Schmidt, B. Rheinländer, M. Schubert, D. Spemann, T. Butz, J. Lenzner, E. M. Kaidashev, M. Lorenz, A. Rahm, H. C. Semmelhack, M. Grundmann

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Abstract

The optical dielectric functions for polarization perpendicular and parallel to the c-axis (optical axis) of pulsed-laser-deposition grown wurtzite MgxZn1-xO (O≤x≤0.29) thin films was discussed. It was found that the band gap energies showed a remarkable blueshift. The analysis showed that the MgxZn1-xO alloys were found uniaxial negative below the bandgap energy.

Original languageEnglish (US)
Pages (from-to)2260-2262
Number of pages3
JournalApplied Physics Letters
Volume82
Issue number14
DOIs
StatePublished - Apr 7 2003

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Schmidt, R., Rheinländer, B., Schubert, M., Spemann, D., Butz, T., Lenzner, J., Kaidashev, E. M., Lorenz, M., Rahm, A., Semmelhack, H. C., & Grundmann, M. (2003). Dielectric functions (1 to 5 eV) of wurtzite MgxZn1-xO(x≤0.29) thin films. Applied Physics Letters, 82(14), 2260-2262. https://doi.org/10.1063/1.1565185