It is not clear to me what you mean by 'magneto Graphene'. Be it as it may, for some relevant details you may wish to consult the following three references:

[1] AH Castro-Neto, et al., The electronic properties of graphene, Rev. Mod. Phys. 81, 109 (2009). https://doi.org/10.1103/RevModPhys.81.109

[2] H Aoki, and MS Dresselhaus, Eds., Physics of Graphene (Springer, Heidelberg, 2014).

[3] M Franz, and L Molenkamp, Eds., Topological Insulators (Elsevier, Amsterdam, 2013).

https://doi.org/10.1103/RevModPhys.81.109