Abstract
Hyper-Rayleigh scattering (HRS), in other words incoherent second harmonic generation (SHG), is a potential probe to study the structural and nonlinear optical properties of thin solid inhomogenious films [1,2]. In this paper the results of HRS studies of inhomogenious Gd3+-containing Langmuir-Blodgett (LB) films are presented. Multilayer Gd3+-containing LB films up to 28 periods thick are prepared on the surface of a fuzed quartz substrate. Each period of these structures consists of a Gd3+ monolayer squeezed between two monolayers of stearic acid. The Gd ions are transferred from a GdCl3 solution due to the adsorption at a stearic acid monolayer on the water subphase surface.
© 1998 IEEE
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