可重构Ising曲面的形状熵
Shape Entropy of a Reconfigurable Ising Surface
摘要：
在2D片材中的向错产生高斯曲率的区域，其反转产生具有许多不同亚稳形状的可重构表面，如向错石墨烯单层的分子动力学所示。这种材料具有接近高斯的“形状密度”，并且在相邻的锥体之间具有有效的反铁磁相互作用。$\sim10$纳米贴片具有数百种不同的亚稳态形状，具有可调的稳定性和生物分子尺寸尺度上的形貌。由于每个圆锥向错都提供了类似Ising的自由度，我们称这种技术为“Isigami”。
英文摘要：
Disclinations in a 2D sheet create regions of Gaussian curvature whose inversion produces a reconfigurable surface with many distinct metastable shapes, as shown by molecular dynamics of a disclinated graphene monolayer. This material has a near-Gaussian "density of shapes" and an effectively antiferromagnetic interaction between adjacent cones. A $\sim10$ nm patch has hundreds of distinct metastable shapes with tunable stability and topography on the size scale of biomolecules. As every conical disclination provides an Ising-like degree of freedom, we call this technique "Isigami".
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