1. Division of Science and Engineering, Graduate School of Arts and Sciences, Iwate University, 4-3-5 Ueda, Morioka, Iwate 020-8551, Japan
2. Advanced Course of Chemical Engineering, National Institute of Technology, Ichinoseki College, Takanashi, Hagisho, Ichinoseki, Iwate 021-8551, Japan
3. Nano Carbon Device Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan