12:01 〜 12:03 [PS-4-14] Investigation of bias polarity dependence on set operation in phase change memory using GeCu2Te3 ○J. An1, K. Kim1, C. Choi1, S. Shindo2, Y. Sutou2, Y. Song1 (1.Hanyang Univ. (Korea), 2.Tohoku Univ. (Japan))