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CP: Chemische Physik
CP 18: Poster zur Sitzung CP 7(Fortführung am Do, 9:30-10:30)
CP 18.10: Poster
Mittwoch, 19. März 1997, 18:30–19:45, FBH
2D-IR modulation spectroscopy on the collective dynamics of free-standing ferroelectric liquid crystalline films — •Norbert Kl"opper1, Friedrich Kremer2, and Thomas M. Fischer2 — 1Fakult"at f"ur Physik, Uni Leipzig, 04103 Leipzig, Linnestr.5 — 2Fakult"at f"ur Physik, Uni Leipzig
The collective dynamics of thin (µm-nm) free-standing ferro electric liquid crystalline films under electric excitation has been investigated by means of 2D-IR modulation spectroscopy. The frequency, voltage and temeperature dependence of the dynamic dichroism of several IR-absorption bands arising from different molecular moieties in the ferroelectric SmC* phase and the SmA phase are discussed.