Byron Freelon^1,*

• ¹Physics Department and Texas Center for Superconductivity, University of Houston, Houston, Texas 77204, USA
• ²Helmholtz-Zentrum Berlin für Materialien und Energie, D-14109 Berlin, Germany
• ³Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
• ⁴National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, Taiwan

• ^*Contact author: bkfreelo@central.uh.edu