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1. 中国科学院高能物理研究所
2. 北京大学地质学系
3. 中国科学院高能物理研究所,北京,100049
4. ,北京,100871
Published:01 December 2004
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[1]巫翔,秦善,李晓东,刘景,吴自玉.天然矿物硬玉(NaAlDi_2O_6)的压致相变研究[J].核技术,2004(12):923-925.
WU Xiang~1 QIN Shan~2 LI Xiaodong~1 LIU Jing~1 WU Ziyu~1 1. An investigation on pressure-induced phase transition of natural mineral jadeite (NaAlS2O6)[J]. Nuclear techniques, 2004, (12): 923-925.
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
2
O
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
2
O
4
结构的NaAlSiO
4
和斯石英SiO
2
。
The high-pressure room-temperature behavior of natural jadeite(NaAlSi
2
O
6
) has been studied by in situ energy dispersive X-ray diffraction measurements with synchrotron radiation and diamond anvil cell. It is found that the structure of jadeite is changed from C2/c to P2
1
/c
then to Pbcn
and finally jadeite is transformed into NaAlSiO
4
(CaFe
2
O
4
type structure) plus stishovite at high pressure.
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