1. Materials and Optoelectronic Science; National Sun Yat-Sen University; Center for Nanoscience and Nanotechnology; Kaohsiung 804 Taiwan
2. World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba, Ibaraki 305-0044 Japan
3. Australian Institute for Innovative Materials (AIIM); University of Wollongong; Squires Way North Wollongong, NSW 2500 Australia.
4. Department of Mechatronics, Faculty of Engineering and Architecture; Gelisim University; Istanbul 34315 Turkey.