11:30 AM - 11:45 AM ▲ [21a-W641-10] Hysteresis of the Electrostatic Potential of (GeTe)2 Sb2Te3 Superlattice Grains Measured by Scanning Probe Spectroscopy 〇Leonid Bolotov1, Tetsuya Tada1, Yuta Saito1, Junji Tominaga1 (1.AIST)