Affiliation: | aDepartment of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan, ROC,;bDepartment of Electronic Engineering, National Chiao Tung University, Hsinchu, Taiwan, ROC,;cDepartment of Physics, Institute of Superconductivity, Bar-Ilan University, 52900 Ramat-Gan, Israel |