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DOI10.1038/s41467-017-01213-z
Revealing the role of lattice distortions in the hydrogen-induced metal-insulator transition of SmNiO3
Chen, Jikun1; Mao, Wei2; Ge, Binghui3; Wang, Jiaou4; Ke, Xinyou5; Wang, Vei6; Wang, Yiping7; Dobeli, Max8; Geng, Wentong1; Matsuzaki, Hiroyuki2; Shi, Jian7; Jiang, Yong1
2019-02-11
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
出版年2019
卷号10
文章类型Article
语种英语
国家Peoples R China; Japan; USA; Switzerland
英文摘要

The discovery of hydrogen-induced electronic phase transitions in strongly correlated materials such as rare-earth nickelates has opened up a new paradigm in regulating materials' properties for both fundamental study and technological applications. However, the microscopic understanding of how protons and electrons behave in the phase transition is lacking, mainly due to the difficulty in the characterization of the hydrogen doping level. Here, we demonstrate the quantification and trajectory of hydrogen in strain-regulated SmNiO3 by using nuclear reaction analysis. Introducing 2.4% of elastic strain in SmNiO3 reduces the incorporated hydrogen concentration from similar to 10(21) cm(-3) to similar to 10(20) cm(-3). Unexpectedly, despite a lower hydrogen concentration, a more significant modification in resistivity is observed for tensile-strained SmNiO3, substantially different from the previous understanding. We argue that this transition is explained by an intermediate metastable state occurring in the transient diffusion process of hydrogen, despite the absence of hydrogen at the post-transition stage.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000458297000005
WOS关键词ELECTRIC-FIELD CONTROL ; OXYGEN VACANCIES ; THIN-FILMS ; STRAIN ; CONDUCTIVITY
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/203491
专题资源环境科学
作者单位1.Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing Adv Innovat Ctr Mat Genome Engn, Beijing 100083, Peoples R China;
2.Univ Tokyo, Sch Engn, Bunkyo Ku, 2-11-16 Yayoi, Tokyo 1130032, Japan;
3.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China;
4.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China;
5.Case Western Reserve Univ, Dept Mech & Aerosp Engn, Cleveland, OH 44106 USA;
6.Xian Univ Technol, Dept Appl Phys, Xian 710054, Shaanxi, Peoples R China;
7.Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA;
8.Swiss Fed Inst Technol, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland
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GB/T 7714
Chen, Jikun,Mao, Wei,Ge, Binghui,et al. Revealing the role of lattice distortions in the hydrogen-induced metal-insulator transition of SmNiO3[J]. NATURE COMMUNICATIONS,2019,10.
APA Chen, Jikun.,Mao, Wei.,Ge, Binghui.,Wang, Jiaou.,Ke, Xinyou.,...&Jiang, Yong.(2019).Revealing the role of lattice distortions in the hydrogen-induced metal-insulator transition of SmNiO3.NATURE COMMUNICATIONS,10.
MLA Chen, Jikun,et al."Revealing the role of lattice distortions in the hydrogen-induced metal-insulator transition of SmNiO3".NATURE COMMUNICATIONS 10(2019).
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