4 research outputs found

    Capillary-Enhanced Immobilization of Nanoparticles

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    The contact between a spherical nanoparticle and a planar substrate is surrounded by an annular wedge cavity. In adsorption processes, this acts like a small pore. Interfacial/capillarity effects lead to an accumulation of adsorbate in this region (“capillary condensation”). This effectively increases the contact area between the particles and the substrate. Thus, capillary-enhanced adsorbate accumulation increases the adhesion between the nanoparticles and the planar surface, which effectively immobilizes the particles

    Multiple Evolution Modes of Megaripples in the Qaidam Basin and Implications for Ripple-Like Aeolian Landforms on Mars

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    The dataset includes wind regime data for Golmud, Sebei, and the west bank of the Narin Gol River in the Qaidam Basin, as well as sediment grain size and morphological parameters of the megaripples. In addition, we provide R language source code for data processing and visualization.The primary directory contains the data and the source code in the R language. The data includes sediment grain size, morphological parameters and wind regime analysis data of megaripples. Modifying the working path and installation package is necessary to call the R source code for data reading.</p

    Self-Assembly of Ultralong Aligned Dipeptide Single Crystals

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    Oriented arrangement of single crystals plays a key role in improving the performance of their functional devices. Herein we describe a method for the exceptionally fast fabrication (mm/min) of ultralong aligned dipeptide single crystals (several centimeters). It combines an induced nucleation step with a continuous withdrawal of substrate, leading to specific evaporation/composition conditions at a three-phase contact line, which makes the growth process controllable. These aligned dipeptide fibers possess a uniform cross section with active optical waveguiding properties that can be used as waveguiding materials. The approach provides guidance for the controlled arrangement of organic single crystals, a family of materials with considerable potential applications in large-scale functional devices
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