[1] Inje Univ, Dept Nano Syst Engn, Ctr Nano Mfg, Gimhae, South Korea
[2] Samsung LED Co Ltd, Epimfg Technol, Suwon, South Korea
[3] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju, South Korea
[4] Yeungnam Univ, Dept Phys, Gyongsan, South Korea
[5] ALPHAPLUS Co Ltd, Pohang 790834, South Korea
[6] Korea Res Inst Stand & Sci, Adv Instrument Technol Ctr, Daejeon, South Korea