Irradiation effects of graphene and thin layer graphite induced by swift heavy ions

Zeng Jian^a), Liu Jie†^a), Zhang Sheng-Xia^a),^b), Zhai Peng-Fei^a), Yao Hui-Jun^a), Duan Jing-Lai^a), Guo Hang^a),^b), Hou Ming-Dong^a), Sun You-Mei^a)

Evolutions of I_D / I_G of Raman spectra from different thickness graphite film samples irradiated by ²⁰⁹Bi ions with different energies.