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. 2020 Jun 3;6(23):eaba9206. doi: 10.1126/sciadv.aba9206

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A) Unit cell volumes of BP-structured nitrogen and CG-nitrogen. (B) Lattice parameters a, b, and c of BP-structured nitrogen. (C) Measured Raman shift compared with calculations and previously reported values (10, 11). All measurements were performed during decompression. In (C), LP stands for LP-N (11).