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  2. 地质与地球物理研究所
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  4. 中国科学院地球与行星物理重点实验室
Silica-water superstructure and one-dimensional superionic conduit in Earth's mantle

文献类型：期刊论文

作者Li, Junwei4; Lin, Yanhao4; Meier, Thomas4; Liu, Zhipan5; Yang, Wei1; Mao, Ho-kwang4; Zhu, Shengcai3; Hu, Qingyang2,4
刊名SCIENCE ADVANCES
出版日期2023-09-01
卷号9期号:35页码:11
ISSN号2375-2548
DOI10.1126/sciadv.adh3784
英文摘要Water in Earth's deep interior is predicted to be hydroxyl (OH-) stored in nominally anhydrous minerals, profoundly modulating both structure and dynamics of Earth's mantle. Here, we use a high-dimensional neuronetwork potential and machine learning algorithm to investigate the weight percent water incorporation in stishovite, a main constituent of the subducted oceanic crust. We found that stishovite and water prefer forming medium- to long-range ordered superstructures, featuring one-dimensional (1D) water channels. Synthesizing single crystals of hydrous stishovite, we verified the ordering of OH- groups in the water channels through optical and nuclear magnetic resonance spectroscopy and found an average H-H distance of 2.05(3) A, confirming simulation results. Upon heating, H atoms were predicted to behave fluid-like inside the channels, leading to an exotic 1D superionic state. Water-bearing stishovite could feature high ionic mobility and strong electrical anisotropy, manifesting as electrical heterogeneity in Earth's mantle.
WOS关键词PHASE-TRANSITION ; EXPERIMENTAL CONSTRAINTS ; ULTRAHYDROUS STISHOVITE ; HYDROUS STISHOVITE ; SOLUBILITY ; STABILITY ; MGO-SIO2-H2O ; PREDICTION ; TRANSPORT
资助项目National Natural Science Foundationof China (NSFC)[42150101] ; National Natural Science Foundationof China (NSFC)[12274383] ; National Natural Science Foundationof China (NSFC)[42250105] ; XplorerPrize[XPLORER-2020-1013] ; Hundreds of Talents Program of Sun Yatsen University ; Fundamental Research Funds for the Central Universities ; Sun Yat-sen University[23qnpy04] ; 23qnpy04[U2230401]
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:001062123500014
出版者AMER ASSOC ADVANCEMENT SCIENCE
资助机构National Natural Science Foundationof China (NSFC) ; National Natural Science Foundationof China (NSFC) ; XplorerPrize ; XplorerPrize ; Hundreds of Talents Program of Sun Yatsen University ; Hundreds of Talents Program of Sun Yatsen University ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Sun Yat-sen University ; Sun Yat-sen University ; 23qnpy04 ; 23qnpy04 ; National Natural Science Foundationof China (NSFC) ; National Natural Science Foundationof China (NSFC) ; XplorerPrize ; XplorerPrize ; Hundreds of Talents Program of Sun Yatsen University ; Hundreds of Talents Program of Sun Yatsen University ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Sun Yat-sen University ; Sun Yat-sen University ; 23qnpy04 ; 23qnpy04 ; National Natural Science Foundationof China (NSFC) ; National Natural Science Foundationof China (NSFC) ; XplorerPrize ; XplorerPrize ; Hundreds of Talents Program of Sun Yatsen University ; Hundreds of Talents Program of Sun Yatsen University ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Sun Yat-sen University ; Sun Yat-sen University ; 23qnpy04 ; 23qnpy04 ; National Natural Science Foundationof China (NSFC) ; National Natural Science Foundationof China (NSFC) ; XplorerPrize ; XplorerPrize ; Hundreds of Talents Program of Sun Yatsen University ; Hundreds of Talents Program of Sun Yatsen University ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Sun Yat-sen University ; Sun Yat-sen University ; 23qnpy04 ; 23qnpy04
源URL[http://ir.iggcas.ac.cn/handle/132A11/110855]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Zhu, Shengcai; Hu, Qingyang
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Geochem, CAS Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China
3.Sun Yat Sen Univ, Sch Mat, Shenzhen Campus, Shenzhen 518107, Peoples R China
4.Ctr High Pressure Sci & Technol Adv Res HPSTAR, Beijing 100193, Peoples R China
5.Fudan Univ, Collaborat Innovat Ctr Chem Energy Mat, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat,Key L, Shanghai 200433, Peoples R China
推荐引用方式
GB/T 7714		 Li, Junwei,Lin, Yanhao,Meier, Thomas,et al. Silica-water superstructure and one-dimensional superionic conduit in Earth's mantle[J]. SCIENCE ADVANCES,2023,9(35):11.
APA Li, Junwei.,Lin, Yanhao.,Meier, Thomas.,Liu, Zhipan.,Yang, Wei.,...&Hu, Qingyang.(2023).Silica-water superstructure and one-dimensional superionic conduit in Earth's mantle.SCIENCE ADVANCES,9(35),11.
MLA Li, Junwei,et al."Silica-water superstructure and one-dimensional superionic conduit in Earth's mantle".SCIENCE ADVANCES 9.35(2023):11.

入库方式： OAI收割

来源：地质与地球物理研究所

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