Kim Young-Joo | Graduate Program in Information Storage Engineering and Center for Information Storage Device, Yonsei University, 134 Shinchon-dong, Sudaemoon-Ku, Seoul 120-749, Korea

Department of Mechanical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul, Korea

Department of Metallurgical Engineering, Yonsei University, 134 Shinchon-dong, Sudaemoon-Ku, Seoul 120-749, Korea

Graduate Program in Information Storage Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul, Korea

Graduate Program in Information Storage Engineering and Center for Information Storage Device, Yonsei University, 134 Shinchon-dong, Sudaemoon-Ku, Seoul 120-749, Korea

Graduate Program in Information Storage Engineering and Center for Information Storage Device, Yonsei University, 134 Shinchon-dong, Sudaemoon-Ku, Seoul 120-749, Korea

Graduate Program in Information Storage Engineering, Yonsei University, Seoul, 120-749, Korea

Department of Metallurgical Engineering, Yonsei University, 134 Shinchon-dong, Sudaemoon-Ku, Seoul 120-749, Korea

Department of Mechanical Engineering, Yonsei University, Seoul, 120-749, Korea

School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shinlim-dong, Kwanak-gu, Seoul 151-742, Republic of Korea

School of Mechanical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul, Korea

School of Mechanical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul, Korea

School of Electrical and Computer Engineering, UNIST (Ulsan National Institute of Science and Technology)