1. Laboratory of Advanced Materials
Physics and Nanodevices, School
of Physics and Technology, University of Jinan, Jinan, Shandong 250022, P. R. China
2. Shandong
Provincial Key Laboratory of Laser Polarization and Information Technology
and Department of Physics, Qufu Normal University, Qufu, Shandong 273165, P. R. China
3. New
Industry Creation Hatchery Center, Tohoku University, Sendai, Miyagi 980-8577, Japan
4. Kutateladze
Institute of Thermophysics, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russia