NATURE

SUN PZ, YANG Q, KUANG WJ, STEBUNOV YV, XIONG WQ, YU J, NAIR RR, KATSNELSON MI, YUAN SJ, GRIGORIEVA IV, LOZADAHIDALGO M, WANG FC, GEIM AK

NANOSCIENCE NANOTECHNOLOGY LETTERS

ALRUQEISHI MS, MOHIUDDIN T, ALMOQBALI M, ALSHUKAILI H, ALMAMARI S, ALRASHDI H, ALBUSAIDI R, SREEPAL V, NAIR RR