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Cationic Covalent Organic Frameworks: A Simple Platform of Anionic Exchange for Porosity Tuning and Proton Conduction
Ma, H. P.; B. L. Liu; B. Li; L. M. Zhang; Y. G. Li; H. Q. Tan; H. Y. Zang and G. S. Zhu
2016
发表期刊Journal of the American Chemical Society
卷号138期号:18
摘要Highly directional-dependent metal-insulator transition is observed in epitaxial double perovskite LaBaCo2O5.5+delta films. The film exhibit metallic along [100], but remain semiconducting along [010] under application of a magnetic field parallel to the surface of the film. The physical origin for the properties is identified as in-plane tensile strain arising from oxygen vacancies. First-principle calculations suggested the tensile strain drastically alters the band gap, and the vanishing gap opens up [100] conduction channels for Fermi-surface electrons. Our observation of strain-induced highly directional-dependent metal-insulator transition may open up new dimension for multifunctional devices.
文章类型期刊
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/57128
专题中科院长春光机所知识产出
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Ma, H. P.,B. L. Liu,B. Li,et al. Cationic Covalent Organic Frameworks: A Simple Platform of Anionic Exchange for Porosity Tuning and Proton Conduction[J]. Journal of the American Chemical Society,2016,138(18).
APA Ma, H. P..,B. L. Liu.,B. Li.,L. M. Zhang.,Y. G. Li.,...&H. Y. Zang and G. S. Zhu.(2016).Cationic Covalent Organic Frameworks: A Simple Platform of Anionic Exchange for Porosity Tuning and Proton Conduction.Journal of the American Chemical Society,138(18).
MLA Ma, H. P.,et al."Cationic Covalent Organic Frameworks: A Simple Platform of Anionic Exchange for Porosity Tuning and Proton Conduction".Journal of the American Chemical Society 138.18(2016).
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