NONVOLATILE SEMICONDUCTOR MEMORY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a nonvolatile semiconductor memory device that achieves excellent charge retention characteristics.SOLUTION: The nonvolatile semiconductor memory device of the embodiment includes: a semiconductor layer; a control gate electrode; and an organic molecule layer, provided between the semiconductor layer and the control gate electrode, having organic molecules containing a porphyrin structure at a center of oxy metal or chloro metal.