^Preparation of a Piezoelectric Smart Material Based on Boron Nitride Nanotube Composites Baek Gyu Choi, Sung Yong Kim, Inhyuk Kang (Pukyong Nat. U., Busan, S. Korea), Hoon Huh (Korea Inst. Ind.Tech., Cheonan), Jaewoo Kim, Yong-Soo Seo (Naieel Tech, Daejeon,. S. Korea), Inpil KANG (Pukyong Nat.U.)