a 한국생산기술연구원 한국희소금속산업기술센터
b 한양대학교 신소재공학부
c 인하대학교 신소재공학과
a Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-47 Songdo-dong Yeonsoo-gu, Incheon 406-840, Republic of Korea
b Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea
c Department of advanced materials engineering, Inha university, 100 Inharo, Nam-gu, incheon 22212, Republic of Korea
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