Manipulate the Electronic and Magnetic States in NiCo2 O4 Films through Electric-Field-Induced Protonation at Elevated Temperature

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 16 vom: 23. Apr., Seite e1900458
1. Verfasser: Wang, Meng (VerfasserIn)
Weitere Verfasser: Sui, Xuelei, Wang, Yujia, Juan, Yung-Hsiang, Lyu, Yingjie, Peng, Huining, Huang, Tongtong, Shen, Shengchun, Guo, Chenguang, Zhang, Jianbing, Li, Zhuolu, Li, Hao-Bo, Lu, Nianpeng, N'Diaye, Alpha T, Arenholz, Elke, Zhou, Shuyun, He, Qing, Chu, Ying-Hao, Duan, Wenhui, Yu, Pu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article ionic liquid gating phase transformation protonation spinel
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520 |a Ionic-liquid-gating- (ILG-) induced proton evolution has emerged as a novel strategy to realize electron doping and manipulate the electronic and magnetic ground states in complex oxides. While the study of a wide range of systems (e.g., SrCoO2.5 , VO2 , WO3 , etc.) has demonstrated important opportunities to incorporate protons through ILG, protonation remains a big challenge for many others. Furthermore, the mechanism of proton intercalation from the ionic liquid/solid interface to whole film has not yet been revealed. Here, with a model system of inverse spinel NiCo2 O4 , an increase in system temperature during ILG forms a single but effective method to efficiently achieve protonation. Moreover, the ILG induces a novel phase transformation in NiCo2 O4 from ferrimagnetic metallic into antiferromagnetic insulating with protonation at elevated temperatures. This study shows that environmental temperature is an efficient tuning knob to manipulate ILG-induced ionic evolution 
650 4 |a Journal Article 
650 4 |a ionic liquid gating 
650 4 |a phase transformation 
650 4 |a protonation 
650 4 |a spinel 
700 1 |a Sui, Xuelei  |e verfasserin  |4 aut 
700 1 |a Wang, Yujia  |e verfasserin  |4 aut 
700 1 |a Juan, Yung-Hsiang  |e verfasserin  |4 aut 
700 1 |a Lyu, Yingjie  |e verfasserin  |4 aut 
700 1 |a Peng, Huining  |e verfasserin  |4 aut 
700 1 |a Huang, Tongtong  |e verfasserin  |4 aut 
700 1 |a Shen, Shengchun  |e verfasserin  |4 aut 
700 1 |a Guo, Chenguang  |e verfasserin  |4 aut 
700 1 |a Zhang, Jianbing  |e verfasserin  |4 aut 
700 1 |a Li, Zhuolu  |e verfasserin  |4 aut 
700 1 |a Li, Hao-Bo  |e verfasserin  |4 aut 
700 1 |a Lu, Nianpeng  |e verfasserin  |4 aut 
700 1 |a N'Diaye, Alpha T  |e verfasserin  |4 aut 
700 1 |a Arenholz, Elke  |e verfasserin  |4 aut 
700 1 |a Zhou, Shuyun  |e verfasserin  |4 aut 
700 1 |a He, Qing  |e verfasserin  |4 aut 
700 1 |a Chu, Ying-Hao  |e verfasserin  |4 aut 
700 1 |a Duan, Wenhui  |e verfasserin  |4 aut 
700 1 |a Yu, Pu  |e verfasserin  |4 aut 
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773 1 8 |g volume:31  |g year:2019  |g number:16  |g day:23  |g month:04  |g pages:e1900458 
856 4 0 |u http://dx.doi.org/10.1002/adma.201900458  |3 Volltext 
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