14:30 〜 14:45 ▲ [20p-E319-4] Morphological changes of Cu surfaces by comparison of Ar+ and Xe+ ion irradiation induced by photoemission-assisted plasma 〇SAIJIAN AJIA1、Nobuhisa Kamata1、Shuichi Ogawa1、Yuji Takakuwa1 (1.Tohoku Univ.)