Selective 3-dimensional patterning during phase separation of a continuously laminated layer

Rikuya Ishikawa, Marie Tani and Rei Kurita

Physica A: Statistical Mechanics and its Applications, 2023, vol. 622, issue C

Abstract: Control over the physical properties of materials is ubiquitously required in many fields. One means by which this can be achieved is controlling the internal structure of multi-component materials with an eye to enhancing mechanical properties. Here, we focus on self-organized pattern formation in phase separating materials, where microscopic patterns with a smooth, continuous connection may be realized. We propose a feasible method to control pattern formation using phase separation combined with continuous “lamination” of material, when material is continuously and homogeneously layered on top of a base. We find that a random droplet pattern, a lamellar pattern, and a cylindrical pattern are formed depending on the lamination rate V. We clarify the dynamics of pattern formation, focusing on the mechanism. This study may lead to the creation of new functional materials through artificial pattern control.

Keywords: Phase separation; Pattern formation; Lamination; Spinodal decomposition; Directional quenching (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:622:y:2023:i:c:s0378437123003898

DOI: 10.1016/j.physa.2023.128834

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