Fig. 3: Chemical state and coordination information for B-C3N4−16 MPa.
From: Strong ferromagnetism of g-C3N4 achieved by atomic manipulation

a–f High-resolution XPS of B 1s a, C 1 s b, N 1s c, and O 1s d for B-C3N4−16 MPa. e B K-edge XANES spectra and f solid-state 11B CP-MAS-NMR spectrum of B-C3N4−16 MPa.