Simon Lépinay
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View article: Controlled Spherulitic Crystal Growth from Salt Mixtures: A Universal Mechanism for Complex Crystal Self-Assembly
Controlled Spherulitic Crystal Growth from Salt Mixtures: A Universal Mechanism for Complex Crystal Self-Assembly Open
Spherulites are complex polycrystalline structures that form through the self-assembly of small aggregated nanocrystals starting from a central point and growing radially outward. Despite their wide prevalence and relevance to fields rangi…
View article: Capillary Forces Lead to Pendant Crystals at the Liquid–Air Interface of Evaporating Salt Solutions
Capillary Forces Lead to Pendant Crystals at the Liquid–Air Interface of Evaporating Salt Solutions Open
We investigated the nucleation and growth processes of individual NaCl crystals from an evaporating salt solution that is supersaturated. We find that crystals nucleate at the liquid/vapor interface, resulting in distinct "pendant" crystal…
View article: Intercrystallite boundaries dominate the electrochemical corrosion behavior of polycrystalline diamond
Intercrystallite boundaries dominate the electrochemical corrosion behavior of polycrystalline diamond Open
In this work, high resolution integrated AFM–EC/SECM was used to reveal the spatially heterogeneous electroactivity of microcrystalline diamond (MCD) and nanocrystalline diamond (NCD) surfaces. During electrochemical corrosion, NCD surface…
View article: NaCl Crystals as Carriers for Micronutrient Delivery
NaCl Crystals as Carriers for Micronutrient Delivery Open
Iron deficiency leading to anemia is one of the most severe and important nutritional deficiencies in the world today. To combat this deficiency, the fortification of food products with iron is a natural way to increase the global iron upt…
View article: How does ‘Gecko tape’ work?
How does ‘Gecko tape’ work? Open
Human-made adhesives lose their tack rapidly after first use, while animals such as geckos can reuse their adhesive feet for a lifetime. Nature's use of fibrillar structures as strong, renewable and self-cleaning adhesives has inspired the…
View article: Deposits from evaporating emulsion drops
Deposits from evaporating emulsion drops Open
The processes in which droplets evaporate from solid surfaces, leaving behind distinct deposition patterns, have been studied extensively for variety of solutions. In this work, by combining different microscopy techniques (confocal fluore…