1. Shandong Key Laboratory of Optical Astronomy and Solar‐Terrestrial Environment School of Space Science and Physics Institute of Space Sciences Shandong University Weihai China
2. Department of Earth & Planetary Sciences and McDonnell Center for the Space Sciences Washington University in St. Louis St. Louis MO USA
3. The Institute of Materials Science & Engineering Washington University in St. Louis St. Louis MO USA
4. Department of Physics and McDonnell Center for the Space Sciences Washington University in St. Louis St. Louis MO USA