Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides

Kankan Cong; Eric Vetter; Liang Yan; Yi Li; Qi Zhang; Yuzan Xiong; Hongwei Qu; Richard D. Schaller; Axel Hoffmann; Alexander F. Kemper; Yongxin Yao; Jigang Wang; Wei You; Haidan Wen; Wei Zhang; Dali Sun

doi:10.1038/s41467-021-26011-6

Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides

Kankan Cong, Eric Vetter, Liang Yan, Yi Li, Qi Zhang, Yuzan Xiong, Hongwei Qu, Richard D. Schaller, Axel Hoffmann, Alexander F. Kemper, Yongxin Yao, Jigang Wang, Wei You, Haidan Wen^*, Wei Zhang, Dali Sun

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Next-generation terahertz (THz) sources demand lightweight, low-cost, defect-tolerant, and robust components with synergistic, tunable capabilities. However, a paucity of materials systems simultaneously possessing these desirable attributes and functionalities has made device realization difficult. Here we report the observation of asymmetric spintronic-THz radiation in Two-Dimensional Hybrid Metal Halides (2D-HMH) interfaced with a ferromagnetic metal, produced by ultrafast spin current under femtosecond laser excitation. The generated THz radiation exhibits an asymmetric intensity toward forward and backward emission direction whose directionality can be mutually controlled by the direction of applied magnetic field and linear polarization of the laser pulse. Our work demonstrates the capability for the coherent control of THz emission from 2D-HMHs, enabling their promising applications on the ultrafast timescale as solution-processed material candidates for future THz emitters.

Original language	English (US)
Article number	5744
Journal	Nature communications
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41467-021-26011-6
State	Published - Dec 1 2021

Funding

E.V. and D.S. acknowledge supports from US National Science Foundation, ECCS-1933297. W.Z. acknowledges partial supports from Michigan Space Grant Consortium, Air-Force Office of Scientific Research under award no. FA9550-19-1-0254, and US National Science Foundation, ECCS-1933301. L.Y. and W.Y. acknowledge supports from US National Science Foundation, ECCS-1933324, and the Center for Hybrid Organic Inorganic Semiconductors for Energy (CHOISE), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences. K.C. and H.W. at Argonne are supported by the U.S. Department of Energy, Office of Science, Materials Science Engineering Division, as well as under contract no. DE-SC0012509. Use of the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Basic Energy Science, under contract no. DE-AC02-06CH11357. J.W. and Y.Y. were supported by the Ames Laboratory, the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Science and Engineering Division under Contract No. DE-AC02-07CH11358. XRD and AFM were performed in part at the Chapel Hill Analytical and Nanofabrication Laboratory, CHANL, a member of the North Carolina Research Triangle Nanotechnology Network, RTNN, which is supported by the US National Science Foundation, Grant ECCS-1542015, as part of the National Nanotechnology Coordinated Infrastructure, NNCI. CD measurement was performed at the UNC Macromolecular Interactions Facility, supported by the National Cancer Institute of the US National Institutes of Health under Award No. P30CA016086. We thank Prof. Yizheng Wu of Fudan University for beneficial discussion.

ASJC Scopus subject areas

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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10.1038/s41467-021-26011-6

Cite this

Cong, K., Vetter, E., Yan, L., Li, Y., Zhang, Q., Xiong, Y., Qu, H., Schaller, R. D., Hoffmann, A., Kemper, A. F., Yao, Y., Wang, J., You, W., Wen, H., Zhang, W., & Sun, D. (2021). Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides. Nature communications, 12(1), Article 5744. https://doi.org/10.1038/s41467-021-26011-6

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title = "Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides",

abstract = "Next-generation terahertz (THz) sources demand lightweight, low-cost, defect-tolerant, and robust components with synergistic, tunable capabilities. However, a paucity of materials systems simultaneously possessing these desirable attributes and functionalities has made device realization difficult. Here we report the observation of asymmetric spintronic-THz radiation in Two-Dimensional Hybrid Metal Halides (2D-HMH) interfaced with a ferromagnetic metal, produced by ultrafast spin current under femtosecond laser excitation. The generated THz radiation exhibits an asymmetric intensity toward forward and backward emission direction whose directionality can be mutually controlled by the direction of applied magnetic field and linear polarization of the laser pulse. Our work demonstrates the capability for the coherent control of THz emission from 2D-HMHs, enabling their promising applications on the ultrafast timescale as solution-processed material candidates for future THz emitters.",

author = "Kankan Cong and Eric Vetter and Liang Yan and Yi Li and Qi Zhang and Yuzan Xiong and Hongwei Qu and Schaller, {Richard D.} and Axel Hoffmann and Kemper, {Alexander F.} and Yongxin Yao and Jigang Wang and Wei You and Haidan Wen and Wei Zhang and Dali Sun",

note = "Funding Information: E.V. and D.S. acknowledge supports from US National Science Foundation, ECCS-1933297. W.Z. acknowledges partial supports from Michigan Space Grant Consortium, Air-Force Office of Scientific Research under award no. FA9550-19-1-0254, and US National Science Foundation, ECCS-1933301. L.Y. and W.Y. acknowledge supports from US National Science Foundation, ECCS-1933324, and the Center for Hybrid Organic Inorganic Semiconductors for Energy (CHOISE), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences. K.C. and H.W. at Argonne are supported by the U.S. Department of Energy, Office of Science, Materials Science Engineering Division, as well as under contract no. DE-SC0012509. Use of the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Basic Energy Science, under contract no. DE-AC02-06CH11357. J.W. and Y.Y. were supported by the Ames Laboratory, the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Science and Engineering Division under Contract No. DE-AC02-07CH11358. XRD and AFM were performed in part at the Chapel Hill Analytical and Nanofabrication Laboratory, CHANL, a member of the North Carolina Research Triangle Nanotechnology Network, RTNN, which is supported by the US National Science Foundation, Grant ECCS-1542015, as part of the National Nanotechnology Coordinated Infrastructure, NNCI. CD measurement was performed at the UNC Macromolecular Interactions Facility, supported by the National Cancer Institute of the US National Institutes of Health under Award No. P30CA016086. We thank Prof. Yizheng Wu of Fudan University for beneficial discussion. Publisher Copyright: {\textcopyright} 2021, The Author(s).",

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doi = "10.1038/s41467-021-26011-6",

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T1 - Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides

AU - Cong, Kankan

AU - Vetter, Eric

AU - Yan, Liang

AU - Li, Yi

AU - Zhang, Qi

AU - Xiong, Yuzan

AU - Qu, Hongwei

AU - Schaller, Richard D.

AU - Hoffmann, Axel

AU - Kemper, Alexander F.

AU - Yao, Yongxin

AU - Wang, Jigang

AU - You, Wei

AU - Wen, Haidan

AU - Zhang, Wei

AU - Sun, Dali

N1 - Funding Information: E.V. and D.S. acknowledge supports from US National Science Foundation, ECCS-1933297. W.Z. acknowledges partial supports from Michigan Space Grant Consortium, Air-Force Office of Scientific Research under award no. FA9550-19-1-0254, and US National Science Foundation, ECCS-1933301. L.Y. and W.Y. acknowledge supports from US National Science Foundation, ECCS-1933324, and the Center for Hybrid Organic Inorganic Semiconductors for Energy (CHOISE), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences. K.C. and H.W. at Argonne are supported by the U.S. Department of Energy, Office of Science, Materials Science Engineering Division, as well as under contract no. DE-SC0012509. Use of the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Basic Energy Science, under contract no. DE-AC02-06CH11357. J.W. and Y.Y. were supported by the Ames Laboratory, the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Science and Engineering Division under Contract No. DE-AC02-07CH11358. XRD and AFM were performed in part at the Chapel Hill Analytical and Nanofabrication Laboratory, CHANL, a member of the North Carolina Research Triangle Nanotechnology Network, RTNN, which is supported by the US National Science Foundation, Grant ECCS-1542015, as part of the National Nanotechnology Coordinated Infrastructure, NNCI. CD measurement was performed at the UNC Macromolecular Interactions Facility, supported by the National Cancer Institute of the US National Institutes of Health under Award No. P30CA016086. We thank Prof. Yizheng Wu of Fudan University for beneficial discussion. Publisher Copyright: © 2021, The Author(s).

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N2 - Next-generation terahertz (THz) sources demand lightweight, low-cost, defect-tolerant, and robust components with synergistic, tunable capabilities. However, a paucity of materials systems simultaneously possessing these desirable attributes and functionalities has made device realization difficult. Here we report the observation of asymmetric spintronic-THz radiation in Two-Dimensional Hybrid Metal Halides (2D-HMH) interfaced with a ferromagnetic metal, produced by ultrafast spin current under femtosecond laser excitation. The generated THz radiation exhibits an asymmetric intensity toward forward and backward emission direction whose directionality can be mutually controlled by the direction of applied magnetic field and linear polarization of the laser pulse. Our work demonstrates the capability for the coherent control of THz emission from 2D-HMHs, enabling their promising applications on the ultrafast timescale as solution-processed material candidates for future THz emitters.

AB - Next-generation terahertz (THz) sources demand lightweight, low-cost, defect-tolerant, and robust components with synergistic, tunable capabilities. However, a paucity of materials systems simultaneously possessing these desirable attributes and functionalities has made device realization difficult. Here we report the observation of asymmetric spintronic-THz radiation in Two-Dimensional Hybrid Metal Halides (2D-HMH) interfaced with a ferromagnetic metal, produced by ultrafast spin current under femtosecond laser excitation. The generated THz radiation exhibits an asymmetric intensity toward forward and backward emission direction whose directionality can be mutually controlled by the direction of applied magnetic field and linear polarization of the laser pulse. Our work demonstrates the capability for the coherent control of THz emission from 2D-HMHs, enabling their promising applications on the ultrafast timescale as solution-processed material candidates for future THz emitters.

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Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides

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