[Luo, Dan; McElhenny, Brian; Wu, Libo; Zhang, Fanghao; Chen, Shuo; Yu, Luo; Song, Shaowei; Chen, S; Ren, Zhifeng] Univ Houston, Univ Houston TcSUH, Dept Phys, Houston, TX 77204 USA.
[Luo, Dan; McElhenny, Brian; Wu, Libo; Zhang, Fanghao; Chen, Shuo; Yu, Luo; Song, Shaowei; Chen, S; Ren, Zhifeng] Univ Houston, Univ Houston TcSUH, Texas Ctr Superconduct, Houston, TX 77204 USA.
[Yu, Ying; Yu, Luo] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.