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  Large area planar stanene epitaxially grown on Ag(1 1 1)

Yuhara, J., Fujii, Y., Nishino, K., Isobe, N., Nakatake, M., Xian, L., et al. (2018). Large area planar stanene epitaxially grown on Ag(1 1 1). 2D Materials, 5(2): 025002. doi:10.1088/2053-1583/aa9ea0.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-A92C-0 Version Permalink: https://hdl.handle.net/21.11116/0000-0006-D675-5
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 Creators:
Yuhara, J.1, Author
Fujii, Y.1, Author
Nishino, K.1, Author
Isobe, N.1, Author
Nakatake, M.2, Author
Xian, L.3, Author
Rubio, A.3, 4, Author           
Le Lay, G.5, Author
Affiliations:
1Department of Energy Engineering, Nagoya University, ou_persistent22              
2Aichi Synchrotron Radiation Center, Knowledge Hub Aichi, Seto, ou_persistent22              
3Nano-Bio Spectroscopy group, Universidad del País Vasco, ou_persistent22              
4Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
5Aix-Marseille Université, CNRS, PIIM UMR 7345, ou_persistent22              

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Free keywords: planar stanene, scanning tunneling microscopy (STM), core-level spectroscopy (CLS), density functional theory (DFT)
 Abstract: Artificial post-graphene elemental 2D materials have received much attention recently. Especially, stanene, the tin analogue of graphene, is expected to be a robust 2D topological insulator, even above room temperature. We have grown epitaxial 2D stanene on a Ag(1 1 1) single crystal template and determined its crystalline structure synergetically by scanning tunneling microscopy, high-resolution synchrotron radiation photoemission spectroscopy, and advanced first principles calculations. From the STM images, we show that stanene forms a nearly planar structure in large domains. A detailed core-level spectroscopy analysis as well as DFT calculations reveal that the stanene sheet lays over an ordered 2D Ag2Sn surface alloy, but not directly on a bulk-terminated Ag(1 1 1) surface. The electronic structure exhibits a characteristic 2D band with parabolic dispersion due to the non-negligible interaction with the underlying surface alloy.

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Language(s): eng - English
 Dates: 2017-11-272017-09-102017-12-012018-01-04
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/2053-1583/aa9ea0
 Degree: -

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Project name : The authors are grateful to Prof K Soda of Nagoya University Synchrotron Radiation Research Center and Dr Y Watanabe and Dr A Nozaki of AichiSR for experimental supports. This work was partially supported by a Grant-in-Aid for Scientific Research (B) (No. 15H03677) and (C) (No. 22560022) from the Japan Society for the Promotion of Science (JSPS). The CLS and ARPES experiments were conducted at the BL7U of Aichi Synchrotron Radiation Center, Aichi Science & Technology Foundation, Aichi, Japan with the financial support of Synchrotron Radiation Research Center, Nagoya University (no. 2017001). AR and LX acknowledge financial support from the European Research Council (ERC-2015-AdG-694097), Grupos Consolidados (IT578-13), and European Union’s H2020 program: GA no. 676580 (NOMAD) and GA no. 646259 (MOSTOPHOS). LX acknowledges support from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska- Curie grant agreement no. 709382 (MODHET). GLL acknowledges support from Nagoya University thanks to an ‘ Eminent Foreign Scientist ’ Invitation Award in 2015/2016, as well as an Invitational Fellowship for Research in Japan by the Japan Society for the Promotion of Science (JSPS) in 2017.
Grant ID : 676580
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : The authors are grateful to Prof K Soda of Nagoya University Synchrotron Radiation Research Center and Dr Y Watanabe and Dr A Nozaki of AichiSR for experimental supports. This work was partially supported by a Grant-in-Aid for Scientific Research (B) (No. 15H03677) and (C) (No. 22560022) from the Japan Society for the Promotion of Science (JSPS). The CLS and ARPES experiments were conducted at the BL7U of Aichi Synchrotron Radiation Center, Aichi Science & Technology Foundation, Aichi, Japan with the financial support of Synchrotron Radiation Research Center, Nagoya University (no. 2017001). AR and LX acknowledge financial support from the European Research Council (ERC-2015-AdG-694097), Grupos Consolidados (IT578-13), and European Union’s H2020 program: GA no. 676580 (NOMAD) and GA no. 646259 (MOSTOPHOS). LX acknowledges support from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska- Curie grant agreement no. 709382 (MODHET). GLL acknowledges support from Nagoya University thanks to an ‘ Eminent Foreign Scientist ’ Invitation Award in 2015/2016, as well as an Invitational Fellowship for Research in Japan by the Japan Society for the Promotion of Science (JSPS) in 2017.
Grant ID : 646259
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: 2D Materials
Source Genre: Journal
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Publ. Info: Bristol : IOP Publ.
Pages: - Volume / Issue: 5 (2) Sequence Number: 025002 Start / End Page: - Identifier: ISSN: 2053-1583
CoNE: https://pure.mpg.de/cone/journals/resource/2053-1583