Figure 3
From: Magnetic properties of N-doped graphene with high Curie temperature
(a) XPS survey spectrum of Sample 0 (black) and Sample 2 (red). (b) XPS C 1 s spectrum and (c) XPS N 1 s spectrum of Sample 2. (d) O-contents in N-doped graphene samples. (e) N-contents in N-doped graphene samples. (f) Ratios of pyrrolic N and pyridinic N for N-doped graphene samples.
