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Cobalt-Induced Phase Transformation of Ni3Ga4 Generates Chiral Intermetallic Co3Ni3Ga8

  • Ashutosh Kumar Singh
    Ashutosh Kumar Singh
    Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
  • Wu Wang
    Wu Wang
    Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong 518055, PR China
    More by Wu Wang
  • Debendra Prasad Panda
    Debendra Prasad Panda
    Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
  • Debabrata Bagchi
    Debabrata Bagchi
    School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
  • Devender Goud
    Devender Goud
    School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
  • Bitan Ray
    Bitan Ray
    School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    More by Bitan Ray
  • Jiaqing He
    Jiaqing He
    Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong 518055, PR China
    More by Jiaqing He
  • , and 
  • Sebastian C. Peter*
    Sebastian C. Peter
    School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka 560 064, India
    *Email: [email protected]; [email protected]
Cite this: J. Am. Chem. Soc. 2023, 145, 2, 1433–1440
Publication Date (Web):December 29, 2022
https://doi.org/10.1021/jacs.2c12366
Copyright © 2022 American Chemical Society

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    Abstract

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    The scientific community has found immense difficulty to focus on the generation of chiral intermetallics compared to the chiral molecular structure, probably due to the technical difficulty in producing them as no general controlled protocol is available. Herein, using a conventional metal flux technique, we have discovered a new ternary intermetallic Co3Ni3Ga8, substituting Co at the Ni sublattice in a highly symmetric Ni3Ga4 (Ia3̅d). Co3Ni3Ga8 crystallizes in the I4132 space group, a Sohncke type, and can host the chiral structure. To the best of our knowledge, this is the first report of a ternary intermetallic crystallizing in this space group. The chiral structure of Co3Ni3Ga8 is comprehensively mapped by various techniques such as single-crystal X-ray diffraction (XRD), synchrotron powder XRD, X-ray absorption spectroscopy (XAS), scanning transmission electron microscopy (STEM) and theoretically studied using density functional theory. The discovery of this chiral compound can inspire the researchers to design hidden ternary chiral intermetallics to study the exotic electrical and magnetic properties.

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/jacs.2c12366.

    • Materials synthesis and characterization techniques such as single-crystal XRD, synchrotron PXRD, DSC, SEM-EDS, STEM, XAS, and DFT calculation methods; ADP parameters obtained from SCXRD; and bond distance obtained from EXAFS fitting (PDF)

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    CCDC 2201866 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data_request/cif, or by emailing [email protected], or by contacting The Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; fax: +44 1223 336033.

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    Cited By

    This article is cited by 1 publications.

    1. Ashutosh Kumar Singh, Dundappa Mumbaraddi, Vidyanshu Mishra, Soumyabrata Roy, C. P. Vinod, Sebastian C. Peter. Metal Deficiency Tailored by the 18-Electron Rule Stabilizes Metal-Based Inorganic Compounds. Chemistry of Materials 2023, 35 (15) , 6050-6058. https://doi.org/10.1021/acs.chemmater.3c01142

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