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在室温下通过同步辐射X射线衍射和DAC高压技术,进行了天然矿物硬玉(NRAlSi_2O_6)的原位超高压结构研究,发现样品经过了C2/c-P2_1/c-Pbcn系列的相变,最后分解为CaFe_2O_4结构的NaAlSiO_4和斯石英SiO_2。
The in-situ UHV structure of natural mineral jadeite (NRAlSi_2O_6) was studied by synchrotron radiation X-ray diffraction and DAC high pressure technology at room temperature. It was found that the sample was phase-transformed by the C2 / c-P2_1 / c-Pbcn series and finally decomposed It is NaAlSiO_4 and silica quartz with CaFe_2O_4 structure.