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#crystals

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Stephan Schäperklaus

❄️ From snowflakes to graphene: self-organizing crystals reveal universal laws of nature. My new paper explores how edge kinetics, surface diffusion & fractal growth connect 2D & 3D worlds. 📄 t.co/YLyKoMxHFM #materials #graphene #crystals #fractalgeometry #nanotech #science

ZenodoSelf-Organizing Crystal Patterns: From Snowflakes to Graphene Self-organization is a fundamental process in nature where ordered structures emerge from disordered components without external direction. This paper examines the phenomenon of self-organizing crystal patterns across dimensional scales, focusing particularly on two-dimensional graphene formations and three-dimensional snowflakes. By analyzing the thermodynamic and kinetic factors that drive pattern formation, we identify remarkable similarities in the underlying mechanisms despite dimensional differences. The research reveals that pattern diversity in both systems is governed by similar principles of edge kinetics, surface diffusion, and environmental conditions. Quantitative analysis shows that graphene dendritic crystals exhibit fractal dimensions averaging 1.76, comparable to classical Diffusion-Limited Aggregation models, while dendritic snowflakes follow similar mathematical principles in three dimensions. These findings suggest universal principles of self-organization that transcend dimensionality and specific materials, with significant implications for designing novel materials with controllable morphologies and properties.
Daniel Pomarède

Stereo3D Mars

Sulfur Crystals from Curiosity and “Disturbed” Rocks and Soils from Perseverance – Stereoscopic Corner #11

Contributed by Mary Friargiu, Brian May (Yes that's right: Queen lead guitarist 🎸 and superstar!), and Claudia Manzoni

mastcamz.asu.edu/sulfur-crysta

Mastcam-Z · Sulfur Crystals from Curiosity and "Disturbed" Rocks and Soils from Perseverance – Stereoscopic Corner #11 - Mastcam-ZContributed by Mary Friargiu, Brian May, and Claudia Manzoni During the summer of 2024, Perseverance’s older sibling – the Curiosity Mars Rover exploring Gale crater – made history by driving over a rock, eventually cracking it open, and accidentally discovering pure sulfur crystals – for the first time – on Mars. Elemental sulfur consists only […]
#Mars#Stereo3D#BrianMay
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