Cycling Induced Imprint Phenomenon at Intermediate State used for Multi-Level Operation in HfO2-FeFET. - Viktoria Schlykow; Kunifumi Suzuki; Yoko Yoshimura; Hidesato Ishida; Kiwamu Sakuma; Kazuhiro Matsuo; Masumi Saitoh; Reika Ichihara (IRPS, 2025)