Regensburg 2013 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 36: Poster Session II (Organic films and electronics, photoorganics; Nanostructures; Plasmonics and nanooptics, Surface chemical reactions and heterogeneous catalysis, Surface dynamics )

O 36.50: Poster

Dienstag, 12. März 2013, 18:15–21:45, Poster B2

Infrared spectroscopy of phase transitions in metal nano-systems — •Fabian Hötzel¹, Chung Vu Hoang^1,2, Tadaaki Nagao², Robert Lovrinčić^1,3, and Annemarie Pucci¹ — ¹Kirchhoff Institute of Physics , Heidelberg University, Heidelberg, Germany — ²National Institute for Materials Science, Tsukuba, Japan — ³Weizman Institute of Science, Rehovot, Israel

Metals show strong plasmonic effects in the infrared, which enables contact-free conductivity studies. Contribution from relaxation processes and band structure can be separately derived from spectral information. Even more, polarization dependent studies may reveal anisotropic behaviour. We present and explain examples with phase transitions as such between different metallic structures and a Peierls-type transition. This contribution is related to DFG-FOR 1700.