From polyhedra to crystals: a graph-theoretic framework for crystal structure generation.
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| Title: | From polyhedra to crystals: a graph-theoretic framework for crystal structure generation. |
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| Authors: | Yokoyama, Tomoyasu1 (AUTHOR) yokoyama.tomoyasu@jp.panasonic.com, Ichikawa, Kazuhide1 (AUTHOR), Naito, Hisashi2 (AUTHOR) |
| Source: | CrystEngComm. 4/20/2026, Vol. 28 Issue 15, p2293-2304. 12p. |
| Subjects: | Polyhedra, Crystal lattices, Permittivity, Graph theory, Ionic conductivity, Tessellations (Mathematics), Physics |
| Abstract: | Crystal structures can be viewed as assemblies of space-filling polyhedra, which play a critical role in determining material properties such as ionic conductivity and dielectric constant. However, most conventional crystal structure prediction methods rely on random structure generation and do not explicitly incorporate polyhedral tiling, limiting their efficiency and interpretability. In this highlight, we introduced a novel crystal structure generation method based on discrete geometric analysis of polyhedral information. The geometry and topology of space-filling polyhedra are encoded as a dual periodic graph, and the corresponding crystal structure is obtained via the standard realization of this graph. We demonstrate the effectiveness of our approach by reconstructing face-centered cubic (FCC), hexagonal close-packed (HCP), and body-centered cubic (BCC) structures from their dual periodic graphs. This method offers a new pathway for systematically generating crystal structures based on target polyhedra, potentially accelerating the discovery of novel materials for applications in electronics, energy storage, and beyond. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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