1. Institute for Composites Science Innovation (InCSI) and State Key Laboratory of Silicon Materials School of Materials Science and Engineering Zhejiang University Hangzhou 310027 P. R. China
2. Key Laboratory of Electronic Materials and Devices of Tianjin School of Electronics and Information Engineering Hebei University of Technology Tianjin 300401 P. R. China
3. Watt Lab Central Research Institute Huawei Technologies Co., Ltd. Bantian Longgang District Shenzhen 518129 P. R. China