GSTDTAP  > 地球科学
DOI10.1126/science.aan0961
Synthesis of FeH5: A layered structure with atomic hydrogen slabs
Pepin, C. M.1,2; Geneste, G.1; Dewaele, A.1; Mezouar, M.3; Loubeyre, P.1
2017-07-28
发表期刊SCIENCE
ISSN0036-8075
EISSN1095-9203
出版年2017
卷号357期号:6349页码:382-+
文章类型Article
语种英语
国家France; Switzerland
英文摘要

High pressure promotes the formation of polyhydrides with unusually high hydrogen-to-metal ratios. These polyhydrides have complex hydrogenic sublattices. We synthesized iron pentahydride (FeH5) by a direct reaction between iron and H-2 above 130 gigapascals in a laser-heated diamond anvil cell. FeH5 exhibits a structure built of atomic hydrogen only. It consists of intercalated layers of quasicubic FeH3 units and four-plane slabs of thin atomic hydrogen. The distribution of the valence electron density indicates a bonding between hydrogen and iron atoms but none between hydrogen atoms, presenting a two-dimensional metallic character. The discovery of FeH5 suggests a low-pressure path to make materials that approach bulk dense atomic hydrogen.


领域地球科学 ; 气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000406362300040
WOS关键词EARTHS INNER-CORE ; HIGH-PRESSURES ; METALLIC HYDROGEN ; IRON HYDRIDE ; SUPERCONDUCTIVITY ; POLYHYDRIDES ; LITHIUM ; GPA
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/196553
专题地球科学
资源环境科学
气候变化
作者单位1.Commissariat Energie Atom & Energies Alternat, DAM, DIF, F-91297 Arpajon, France;
2.Ecole Polytech Fed Lausanne, Inst Condensed Matter Phys, Earth & Planetary Sci Lab, CH-1015 Lausanne, Switzerland;
3.European Synchrotron Radiat Facil, 6 Rue Jules Horowitz BP220, F-38043 Grenoble, France
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Pepin, C. M.,Geneste, G.,Dewaele, A.,et al. Synthesis of FeH5: A layered structure with atomic hydrogen slabs[J]. SCIENCE,2017,357(6349):382-+.
APA Pepin, C. M.,Geneste, G.,Dewaele, A.,Mezouar, M.,&Loubeyre, P..(2017).Synthesis of FeH5: A layered structure with atomic hydrogen slabs.SCIENCE,357(6349),382-+.
MLA Pepin, C. M.,et al."Synthesis of FeH5: A layered structure with atomic hydrogen slabs".SCIENCE 357.6349(2017):382-+.
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