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High-pressure phase transformation of carbonate malachite Cu-2(CO3)(OH)(2) driven by [CuO6] regularization and [CO3] rotation

文献类型：期刊论文

作者Gao, Jing2,3; Yuan, Xueyin4; Chen, Bin5; Liu, Zhenxian1; Su, Wen2,3
刊名GEOSCIENCE FRONTIERS
出版日期2021-03-01
卷号12期号:2页码:965-973
关键词X-ray diffraction Infrared spectroscopy Hydrogen bond Carbonates Phase transformation
ISSN号1674-9871
DOI10.1016/j.gsf.2020.07.006
英文摘要High-pressure synchrotron X-ray diffraction and infrared absorption spectroscopy have been employed to study the crystal chemistry and phase transitions in an [OH]-bearing carbonate, malachite Cu-2(CO3)(OH)(2), to determine the effect of [OH] on the stability of carbonate. We found that the crystal structure of malachite is stabilized by a high degree of [CuO6]-octahedron distortion, as is manifested by large variations in Cu-O bond lengths resulting from oxygen atoms that connect to hydrogen at crystallographically different sites. External pressure offsets the effect of hydrogen bond, promotes [CuO6] compression and regularization and accordingly [CO3] rotation. Rotation of [CO3]-triangles, in turn, assists in a conversion in the crystal orientation of the [CuO6] structural unit. During compression to above similar to 6 GPa, malachite begins to turn into the rosasite lattice, accompanied with a jump in density of 3.3%. Rosasite is characterized with a hardened lattice and preserves to the maximum pressure (18.2 GPa) of the present study. Phase transformation mechanism of malachite to rosasite is different from that of carbonates, with the latter being driven by an almost uniform compression of [MO6]-octahedron (M = Ca, Cd, Mn, Fe, Zn, Mg, etc.) and rotation/translation of [CO3]-triangle under pressure.
WOS关键词COMPRESSIBILITY ; TRANSITION ; CU2(OH)2CO3 ; MINERALS ; AZURITE ; DIAMOND ; CACO3 ; GPA
资助项目National Key Research and Development Program of China[2018YFA 0702601] ; U.S. National Science Foundation[EAR-1555388] ; U.S. National Science Foundation[EAR-1565708] ; U.S. National Science Foundation[EAR-1829273] ; National Natural Science Foundation of China[41902035] ; National Natural Science Foundation of China[41490614] ; National Natural Science Foundation of China[41822202] ; China Postdoctoral Science Foundation[2018M640179] ; China Postdoctoral Science Foundation[2019T120132] ; Department of Energy[DEAC98-06CH10886] ; COMPRES under NSF[EAR 11-57758] ; CDAC[DE-FC03-03N00144]
WOS研究方向Geology
语种英语
WOS记录号WOS:000611950300037
出版者CHINA UNIV GEOSCIENCES, BEIJING
资助机构National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Department of Energy ; Department of Energy ; Department of Energy ; Department of Energy ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; CDAC ; CDAC ; CDAC ; CDAC ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Department of Energy ; Department of Energy ; Department of Energy ; Department of Energy ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; CDAC ; CDAC ; CDAC ; CDAC ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Department of Energy ; Department of Energy ; Department of Energy ; Department of Energy ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; CDAC ; CDAC ; CDAC ; CDAC ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Department of Energy ; Department of Energy ; Department of Energy ; Department of Energy ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; COMPRES under NSF ; CDAC ; CDAC ; CDAC ; CDAC
源URL[http://ir.iggcas.ac.cn/handle/132A11/100090]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Chen, Bin
作者单位1.Univ Illinois, Dept Phys, Chicago, IL 60607 USA
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.Chinese Acad Geol Sci, MNR Key Lab Metallogeny & Mineral Assessment, Inst Mineral Resources, Beijing 100037, Peoples R China
5.Univ Hawaii Manoa, Hawaii Inst Geophys & Planetol, Honolulu, HI 96822 USA
推荐引用方式
GB/T 7714		 Gao, Jing,Yuan, Xueyin,Chen, Bin,et al. High-pressure phase transformation of carbonate malachite Cu-2(CO3)(OH)(2) driven by [CuO6] regularization and [CO3] rotation[J]. GEOSCIENCE FRONTIERS,2021,12(2):965-973.
APA Gao, Jing,Yuan, Xueyin,Chen, Bin,Liu, Zhenxian,&Su, Wen.(2021).High-pressure phase transformation of carbonate malachite Cu-2(CO3)(OH)(2) driven by [CuO6] regularization and [CO3] rotation.GEOSCIENCE FRONTIERS,12(2),965-973.
MLA Gao, Jing,et al."High-pressure phase transformation of carbonate malachite Cu-2(CO3)(OH)(2) driven by [CuO6] regularization and [CO3] rotation".GEOSCIENCE FRONTIERS 12.2(2021):965-973.

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来源：地质与地球物理研究所

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