Fabrication of ordered aerogel samples with different densities


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Abstract

A method is described that allows the synthesis of denser samples of a nematically ordered aerogel from commercial Nafen with the effective density of 72 mg/cm3. The method is based on the drying of Nafen pre-immersed in a liquid (water, ethanol, pentane, or liquid nitrogen). The density of the final product is measured as a function of the surface-tension coefficient of the liquid filling the sample.

About the authors

D. V. Zolotukhin

P.L. Kapitza Institute for Physical Problems; Moscow Institute of Physics and Technology

Email: dmitriev@kapitza.ras.ru
Russian Federation, ul. Kosygina 2, Moscow, 119334; Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700

A. A. Soldatov

P.L. Kapitza Institute for Physical Problems; Moscow Institute of Physics and Technology

Email: dmitriev@kapitza.ras.ru
Russian Federation, ul. Kosygina 2, Moscow, 119334; Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700

A. N. Yudin

P.L. Kapitza Institute for Physical Problems

Email: dmitriev@kapitza.ras.ru
Russian Federation, ul. Kosygina 2, Moscow, 119334

V. V. Volkov

Federal Scientific Research Center “Crystallography and Photonics”

Email: dmitriev@kapitza.ras.ru
Russian Federation, Leninskii pr. 59, Moscow, 119333

V. V. Dmitriev

P.L. Kapitza Institute for Physical Problems

Author for correspondence.
Email: dmitriev@kapitza.ras.ru
Russian Federation, ul. Kosygina 2, Moscow, 119334

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