Ultrafast Laser Shock Straining in Chiral Chain 2D Materials: Mold Topology‑Controlled Anisotropic Deformation (IMAGE)
Caption
- Realized ultrafast laser shock imprinting on chiral chain tellurene: Reveals crystallographic orientation-dependent deformation in 2D tellurium via laser shock imprinting.
- Dual deformation regimes: Identifies two distinct strain response modes—parallel strain enables chain gliding and rotation, while transverse strain induces multimodal shear-driven deformations, dramatically altering lattice structure and properties.
- Mold topology enabled strain localization and single-crystal retention—sharp edges generate localized shear, forming dislocations more effectively than smooth molds. Asymmetric strain achieves dense deformation while preserving single-crystal zones, enabling precise optoelectronic nanostructuring.
Credit
Xingtao Liu, Danilo de Camargo Branco, Licong An, Mingyi Wang, Haoqing Jiang, Ruoxing Wang, Wenzhuo Wu*, Gary J. Cheng*.
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License
CC BY-NC-ND