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Proceedings Paper

Nonlinear optical diagnostics of phase transitions in C60-TTF derivatives
Author(s): Isabella Fuks-Janczarek; Xuan Nguyen Phu; Jean-Michel Nunzi; Bouchta Sahraoui; Ivan V. Kityk; J. Berdowski
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Paper Abstract

A shape-like modulation of the linear electro-optics (LEO) coefficient versus the pressure (p) and the temperature (T) has been observed for the first time. The modulation depth of the LEO (r222) tensor component in the C60-TTF (for He-Ne laser wavelength λ=633 nm) was equal to about 2.6%. Varying the applied hydrostatic pressure up to 15 GPa and the temperature from 4.2 up to 25K. We have unambiguously demonstrated that the observed effect is caused by incorporation of the TTF moiety and absent in the unsubstituted fullerenes varying the applied hydrostatic pressure up to 19 GPa and the temperature from 4.2 up to 150 K. The data obtained gives a possibility for using the discovered effect for contact-less measurements of low temperatures and high pressures.

Paper Details

Date Published: 7 December 2001
PDF: 10 pages
Proc. SPIE 4461, Linear and Nonlinear Optics of Organic Materials, (7 December 2001); doi: 10.1117/12.449822
Show Author Affiliations
Isabella Fuks-Janczarek, Univ. d'Angers (France)
Xuan Nguyen Phu, Univ. d'Angers (France)
Jean-Michel Nunzi, Univ. d'Angers (France)
Bouchta Sahraoui, Univ. d'Angers (France)
Ivan V. Kityk, Pedagogical Univ. of Czestochowa (Poland)
J. Berdowski, Pedagogical Univ. of Czestochowa (Poland)

Published in SPIE Proceedings Vol. 4461:
Linear and Nonlinear Optics of Organic Materials
Manfred Eich; Mark G. Kuzyk, Editor(s)

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