강유전체금속-강유전체-금속-절연체-반도체 구조 트랜지스터컴퓨팅 인 메모리딥 뉴럴네트워크강유전체 전하포ferroelectricmetal-ferroelectric-metal-insulator-semiconductorMFMIS FETcomputing in memorydeep neural networkFerroelectric and charge trap hybrid deviceHigh speed NAND flash deviceMemtransistorEdge AI