10:45 〜 11:00 ▼ [11a-N205-7] Antiferroelectric properties in ALD ZrO2 ultra-thin films and their relations with the crystalline phases 〇(DC)Xuan Luo1、Kasidit Toprasertpong1、Mitsuru Takenaka1、Shinichi Takagi1 (1.Univ. of Tokyo)