1. Interdisciplinary Materials Research CenterSchool of Materials Science and EngineeringTongji University 4800 Caoan Rd. Shanghai 201804 China
2. Institute of Physical Science and Information TechnologyAnhui University Hefei 230601 China
3. Department of Mechanical EngineeringThe University of Hong Kong Pokfulam Road Hong Kong SAR China
4. State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsCAS Shanghai 200050 China
5. Center for High Pressure Science & Technology Advanced Research Shanghai 201203 China
6. State Key Laboratory of Superhard MaterialsJilin University Changchun 130012 China