In the author affiliation list, Dr. S. Seo and Dr. M.-J. Lee are incorrectly listed as currently being at Ewha Womans University. In addition, the affiliations for Prof. D.-W. Kim are not represented correctly. The correct affiliations of these authors are given below:
|Prof. D.-W. Kim[+]||Dr. S. Seo, Dr. M.-J. Lee|
|Department of Applied Physics||Samsung Advanced Institute|
|Hanyang University||of Technology|
|Ansan, Gyeonggi-do 426-791 (Korea)||Suwon 440-600 (Korea)|
The editorial office apologizes for any inconvenience caused.