fig2
![First-principles study on the negative/zero area compressibility in Ag<sub>3</sub>BO<sub>3</sub> with “wine-rack” architecture](https://image.oaes.cc/da5b8ea0-9bd9-40a2-b346-770898aade90/microstructures4063.fig.2.jpg)
Figure 2. The crystal structure of AgBO3 and Ag3Co(CN)6 (A) AgBO3-I; (B) AgBO3-II. (C) Ag3Co(CN)6-I; (D) Ag3Co(CN)6-II. The blue, green, red, grey, and brown balls are represented by Ag, B, O, N, and C atoms, respectively.
Figure 2. The crystal structure of AgBO3 and Ag3Co(CN)6 (A) AgBO3-I; (B) AgBO3-II. (C) Ag3Co(CN)6-I; (D) Ag3Co(CN)6-II. The blue, green, red, grey, and brown balls are represented by Ag, B, O, N, and C atoms, respectively.
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