1. State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry, Chinese Academy of Sciences; University of Chinese Academy of Sciences; Changchun 130022 People's Republic of China
2. Basell Polyolefine GmbH R&D; A LyondellBasell Company; Frankfurt 65926 Germany
3. SSRF, Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201800 People's Republic of China
4. HASYLAB am DESY; Notkestr. 85 22607 Hamburg Germany