Fig. 2: Structure and Poisson’s ratio. | npj Computational Materials

Fig. 2: Structure and Poisson’s ratio.

From: Auxetic two-dimensional transition metal selenides and halides

Fig. 2: Structure and Poisson’s ratio.

a Top view, side view, and polyhedral view of monolayer MX compounds. b Poisson’s ratios of MX compounds under small strain along x-direction, presented with other geometric parameters including M-M distances (dM-M), M-X-M angles along longitudinal direction (∠MXM), and M-X distances (bM-X).

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