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Evaluation of structural and physical properties of members bridging Li3M2SbO6 and Li4MSbO6 by tuning M2+/M3+ (M = Co, Ni) content.

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Title: Evaluation of structural and physical properties of members bridging Li3M2SbO6 and Li4MSbO6 by tuning M2+/M3+ (M = Co, Ni) content.
Authors: Thapliyal, S U1,2 (AUTHOR), Yadav, D K1 (AUTHOR), Uma, S1 (AUTHOR) suma@chemistry.du.ac.in
Source: Bulletin of Materials Science. Jun2026, Vol. 49 Issue 2, p1-10. 10p.
Subjects: Crystal structure, Magnetic properties, Oxidation-reduction reaction, Transition metals, Optical properties, Transition metal oxides, X-ray photoelectron spectroscopy, Lithium-ion batteries
Abstract: Layered oxides containing redox-capable transition metals find huge application as electrode materials in lithium-ion batteries (LIBs). In the present work, a new series of rock salt superstructured oxides possessing Co2+/Co3+ and Ni2+/Ni3+ redox systems has been explored. The intermediate compositions bridging the Li3M2SbO6 and Li4MSbO6 (M = Ni, Co) series have been investigated for their structure, optical and magnetic properties. Le Bail fittings of the PXRD patterns revealed all the compositions Li3(Lix M 2 - 2 x 2 + M x 3 + )SbO6 (M = Ni, Co and 0.25 ≤ x ≤ 0.75 for Ni and x = 0.75 for Co), have been stabilized in space group C2/m. The systematic evolution of cell volume confirmed uniform introduction of Ni3+/Co3+ ions with increasing Li+ content. The oxidation states and M3+/M2+ ratios were confirmed from XPS studies and supported by the absorbance bands in UV–visible diffuse reflectance spectra. The temperature-dependent magnetic susceptibility revealed only paramagnetic behaviour with no divergence in ZFC and FC data down to 2 K for both Ni and Co series. The effective magnetic moment decreased systematically with increasing Ni3+ content. Stabilization of additional compositions, Li3.75Ni0.50Al0.75SbO6, Li3.75Zn0.50Co0.75SbO6 and Li3.75Mn0.50Fe0.75SbO6 in monoclinic symmetry reinforced the flexibility of the rock salt layered superstructured oxides to produce honeycomb arrays of tailored stoichiometries for diverse applications. [ABSTRACT FROM AUTHOR]
Copyright of Bulletin of Materials Science is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Layered oxides containing redox-capable transition metals find huge application as electrode materials in lithium-ion batteries (LIBs). In the present work, a new series of rock salt superstructured oxides possessing Co2+/Co3+ and Ni2+/Ni3+ redox systems has been explored. The intermediate compositions bridging the Li3M2SbO6 and Li4MSbO6 (M = Ni, Co) series have been investigated for their structure, optical and magnetic properties. Le Bail fittings of the PXRD patterns revealed all the compositions Li3(Lix M 2 - 2 x 2 + M x 3 + )SbO6 (M = Ni, Co and 0.25 ≤ x ≤ 0.75 for Ni and x = 0.75 for Co), have been stabilized in space group C2/m. The systematic evolution of cell volume confirmed uniform introduction of Ni3+/Co3+ ions with increasing Li+ content. The oxidation states and M3+/M2+ ratios were confirmed from XPS studies and supported by the absorbance bands in UV–visible diffuse reflectance spectra. The temperature-dependent magnetic susceptibility revealed only paramagnetic behaviour with no divergence in ZFC and FC data down to 2 K for both Ni and Co series. The effective magnetic moment decreased systematically with increasing Ni3+ content. Stabilization of additional compositions, Li3.75Ni0.50Al0.75SbO6, Li3.75Zn0.50Co0.75SbO6 and Li3.75Mn0.50Fe0.75SbO6 in monoclinic symmetry reinforced the flexibility of the rock salt layered superstructured oxides to produce honeycomb arrays of tailored stoichiometries for diverse applications. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Bulletin of Materials Science is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s12034-026-03553-3
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      – Code: eng
        Text: English
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      – SubjectFull: Crystal structure
        Type: general
      – SubjectFull: Magnetic properties
        Type: general
      – SubjectFull: Oxidation-reduction reaction
        Type: general
      – SubjectFull: Transition metals
        Type: general
      – SubjectFull: Optical properties
        Type: general
      – SubjectFull: Transition metal oxides
        Type: general
      – SubjectFull: X-ray photoelectron spectroscopy
        Type: general
      – SubjectFull: Lithium-ion batteries
        Type: general
    Titles:
      – TitleFull: Evaluation of structural and physical properties of members bridging Li3M2SbO6 and Li4MSbO6 by tuning M2+/M3+ (M = Co, Ni) content.
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            NameFull: Thapliyal, S U
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            NameFull: Yadav, D K
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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