13:30 〜 15:30 ▲ [5p-PA1-43] Correlation of chemical state and adhesion force to nanotribological properties of graphene oxide 〇(D)Kunhua Yu1、Yudi Tu1、Toru Utsunomiya1、Takashi Ichii1、Hiroyuki Sugimura1 (1.Kyoto Univ)