Fabrication of fine-pitch TiO<Subscript>2</Subscript>-organic hybrid dot arrays using multi-photon absorption of femtosecond pulses期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Fabrication of fine-pitch TiO2-organic hybrid dot arrays using multi-photon absorption of femtosecond pulses

Authors:	H.?Segawa author-information" > author-information__contact u-icon-before" > mailto:hsegawa@eco.tokushima-u.ac.jp" title=" hsegawa@eco.tokushima-u.ac.jp" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,S.?Matsuo,H.?Misawa

Affiliation:	(1) Laboratoire Traitement du Signal et Instrumentation, UMR 5516 CNRS, Université Jean Monnet, 23 rue Michelon, 42023 Saint-Etienne Cedex 2, France;(2) Laboratoire de Tribologie et Dynamique des Systèmes, UMR 5513 CNRS, ECL-ENISE, 58 rue Jean Parrot, 42023 Saint-Etienne Cedex 2, France

Abstract:	Surface corrugation has been photo-induced in a single-step process in hybrid sol-gel thin films. A model based on elastic deformation under photo-induced stress is developed to explain relief formation in this material. Computation is carried out with finite-element software. Theoretical and experimental values of relief amplitude variation with film thickness and grating period agree for small deformations. Mass transfer from illuminated to non-illuminated areas has to be associated with the elastic model to account for surface corrugation in the case of large photo-induced deformation. A comparison with a fluid mechanics model is presented. PACS 81.65.C; 81.20.F; 81.40.L

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