Surface plasmons and Sommerfeld–Zenneck waves on corrugated surfaces:: Application to high- Tc superconductors

We have performed reflection measurements on corrugated YBa 2Cu 3O 7 samples which exhibit below-gap surface plasmons and Sommerfeld–Zenneck waves for temperatures below and above the critical temperature, respectively. We calculated the optical response of corrugated surfaces and in particular the...

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Veröffentlicht in:	Surface science 1998-06, Vol.408 (1), p.203-211
Hauptverfasser:	Schumacher, D, Rea, C, Heitmann, D, Scharnberg, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity) Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity Optical properties Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of bulk materials and thin films Physics Plasmons Properties of type I and type II superconductors Reflection spectroscopy Superconductivity Surface waves
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Zusammenfassung:	We have performed reflection measurements on corrugated YBa 2Cu 3O 7 samples which exhibit below-gap surface plasmons and Sommerfeld–Zenneck waves for temperatures below and above the critical temperature, respectively. We calculated the optical response of corrugated surfaces and in particular the coupling to surface plasmon polaritons and Sommerfeld–Zenneck waves. These calculations are in good agreement with our measurements.
ISSN:	0039-6028 1879-2758
DOI:	10.1016/S0039-6028(98)00228-3