1. Department of Electrical and Computer Engineering Sungkyunkwan University (SKKU) Suwon 16419 Korea
2. School of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Korea
3. Department of Semiconductor and Display Engineering Sungkyunkwan University Suwon 16419 Korea
4. Flash Process Architecture Team Samsung Electronics Co. Ltd Pyeongtaek 17786 Korea
5. Memory Technology Design Team Samsung Electronics Co. Ltd Hwasung 18448 Korea
6. Querrey Simpson Institute for Bioelectronics (QSIB) Northwestern University Evanston IL 60208 USA
7. Research Laboratory of Electronics Massachusetts Institute of Technology (MIT) Cambridge MA 02139 USA
8. School of Advanced Materials Science and Engineering Sungkyunkwan University Suwon 16417 Korea
9. Sungkyunkwan Advanced Institute of Nanotechnology (SAINT) Sungkyunkwan University Suwon 16417 Korea