Laboratory of Advanced Materials ; Tsinghua University
Institut des Sciences de la Terre d'Orléans (ISTO) ; INSU - Université d'Orléans (UO) - Université François Rabelais - Tours - CNRS
National Basic Research Program of China (2007CB815604), National Natural Science Foundation of China (50772052) and Doctor Subject Foundation of the Ministry of Education of China (20070003004).