3D NAND Flash 3D NAND Flash memories 3D NAND flash memory 3D flash memory Flash memory reliability MHONOS NAND flash memory NOR flash memory RBER SiO2 Technology Computer Aided Design (TCAD) simulation Technology: general issues aluminum oxide artificial neural network dipole disturbance effective work function endurance erase performance error correction code flash signal processing garbage collection high-k high-κ interfacial reaction interference metal gate non-volatile memory (NVM) nonvolatile charge-trapping memory performance cliff