Antiferromagnetic–ferromagnetic transition in zigzag graphene nanoribbons induced by substitutional doping Project supported by the National Natural Science Foundation of China (Grant Nos. 11474274 and 61427901) and the National Basic Research Program of China (Grant No. 2014CB643902). |
The energy difference between the AFM and FM configurations as a function of substitutional sites (a) for N-Z6 × N and B-Z6 × N nanoribbons, and (b) for N-ZM × 5 nanoribbons. |