Institution: | 1. Faculty of Engineering, Shinshu University, 4‐17‐1 Wakasato, Nagano‐shi 380‐8553 (Japan), Fax: (+81) 26‐269‐5208;2. Advanced Materials Department, IPICYT, San Luis Potosi 78210 (México);3. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139‐4307 (USA) |