With the help of high-energy mechanical milling and a-SiO2 as the initial material, we investigated the synthesis of coesite at a high temperature and high pressure under the condition of adding a certain amount of ha...With the help of high-energy mechanical milling and a-SiO2 as the initial material, we investigated the synthesis of coesite at a high temperature and high pressure under the condition of adding a certain amount of hard Fe filling. The synthetic samples were measured by XRD and Raman spectroscopy. The results show that a small amount of small-sized coesite can be obtained under 2.5 GPa and 973 K.展开更多
基金Science Challenge Project(TZ2016003-1-105)CAEP Microsystem and THz Science and Technology Foundation(CAEPMT201501)National Basic Research Program of China(2011CB606405)。
基金Supported by the National Natural Science Foundation of China(Nos.50872041 and 10674034)the National Foundation for Fostering Talent in Basic Science of China(No.J0730311)the Foundation of State Key Laboratory of Superhand Mate-rials(No.200908)
文摘With the help of high-energy mechanical milling and a-SiO2 as the initial material, we investigated the synthesis of coesite at a high temperature and high pressure under the condition of adding a certain amount of hard Fe filling. The synthetic samples were measured by XRD and Raman spectroscopy. The results show that a small amount of small-sized coesite can be obtained under 2.5 GPa and 973 K.
