2D Group-VA Auxetic Phase

Auxetic across all X12-14

The predicted X12-14 phases exhibit negative Poisson's ratio under tension, offering new 2D auxetic materials for flexible electronics.

Zheng, Hong · Zhao, Xiang

Nanoscale Advances 2025

Specifications

All X

{'zh': '', 'en': '-14'} phases

Advantages

P10-2_2 exhibits auxeticity under both tensile and compression strain

As10-2_2 exhibits peculiar half-auxeticity