globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1907043116
论文题名:
Interfacial charge-transfer Mott state in iridate–nickelate superlattices
作者: Liu X.; Kotiuga M.; Kim H.-S.; N’Diaye A.T.; Choi Y.; Zhang Q.; Cao Y.; Kareev M.; Wen F.; Pal B.; Freeland J.W.; Gu L.; Haskel D.; Shafer P.; Arenholz E.; Haule K.; Vanderbilt D.; Rabe K.M.; Chakhalian J.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2019
卷: 116, 期:40
起始页码: 19863
结束页码: 19868
语种: 英语
英文关键词: Interfacial charge transfer ; Iridates ; Nickelates ; Superlattice
Scopus关键词: iridium ; nickel ; Article ; calculation ; chemical structure ; controlled study ; cross coupling reaction ; crystal ; electron transport ; interfacial charge transfer ; Mott state ; priority journal ; quantum chemistry ; superlattice ; X ray absorption spectroscopy
英文摘要: We investigate SrIrO3/LaNiO3 superlattices in which we observe a full electron transfer at the interface from Ir to Ni, triggering a massive structural and electronic reconstruction. Through experimental characterization and first-principles calculations, we determine that a large crystal field splitting from the distorted interfacial IrO6 octahedra surprisingly dominates over the spin–orbit coupling and together with the Hund’s coupling results in the high-spin (S = 1) configurations on both the Ir and Ni sites. This demonstrates the power of interfacial charge transfer in coupling lattice, charge, orbital, and spin degrees of freedom, opening fresh avenues of investigation of quantum states in oxide superlattices. © 2019 National Academy of Sciences. All rights reserved.
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被引频次[WOS]:29   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163527
Appears in Collections:气候变化与战略

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作者单位: Liu, X., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Kotiuga, M., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Kim, H.-S., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; N’Diaye, A.T., Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Choi, Y., Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, United States; Zhang, Q., Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China; Cao, Y., Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, China; Kareev, M., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Wen, F., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Pal, B., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Freeland, J.W., Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, United States; Gu, L., Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China; Haskel, D., Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, United States; Shafer, P., Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Arenholz, E., Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States, Cornell High Energy Synchrotron Source, Cornell University, Ithaca, NY 14853, United States; Haule, K., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Vanderbilt, D., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Rabe, K.M., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States; Chakhalian, J., Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, United States

Recommended Citation:
Liu X.,Kotiuga M.,Kim H.-S.,et al. Interfacial charge-transfer Mott state in iridate–nickelate superlattices[J]. Proceedings of the National Academy of Sciences of the United States of America,2019-01-01,116(40)
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