JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 45, page. S898 - S901, 2004-12
APPLIED PHYSICS LETTERS, vol. 83, no. 5, page. 917 - 919, 2003-08-04
SOLID-STATE ELECTRONICS, vol. 46, no. 5, page. 695 - 698, 2002-05
ELECTRONICS LETTERS, vol. 39, no. 6, page. 566 - 567, 2003-03-20
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, vol. 228, no. 2, page. 621 - 624, 2001-11
APPLIED PHYSICS LETTERS, vol. 81, no. 7, page. 1249 - 1251, 2002-08-12
ELECTROCHEMICAL AND SOLID STATE LETTERS, vol. 5, no. 7, page. G45 - G47, 2002-07