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Updated: Sep 10, 2025

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Inductive-Effect-Driven Tunability of Magnetism and Luminescence in Triangular Layers ANd(SO4)2 (A = Rb, Cs).

Xudong Huai1, Ebube Oyeka1, Uchenna Chinaegbomkpa1

  • 1Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States.

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Summary

Researchers tuned quantum material properties using the inductive effect, a concept from organic chemistry. This approach successfully modified magnetic, optical, and electronic behaviors in novel materials.

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Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Quantum Chemistry

Background:

  • The inductive effect, commonly used in organic chemistry, offers a novel strategy for tuning electronic properties in materials.
  • Understanding and controlling many-body electronic states in solids is crucial for advanced materials development.

Purpose of the Study:

  • To demonstrate the application of the inductive effect for tuning magnetic, optical, and electronic properties in quantum materials.
  • To investigate the ANd(SO4)2 (A = Rb, Cs) model system to understand how A-site electronegativity influences material characteristics.

Main Methods:

  • Magnetization measurements to analyze magnetic interactions and electronic state populations.
  • Temperature-dependent and time-resolved photoluminescence spectroscopy to study emission and nonradiative processes.
  • Heat capacity measurements to confirm magnetic ordering and assess phonon contributions.
  • Density functional theory (DFT) calculations to investigate electronic structure and covalency.

Main Results:

  • Appreciable antiferromagnetic interactions were observed without long-range ordering down to 1.8 K.
  • The inductive effect was shown to modify photoluminescence emissions and nonradiative processes at the atomic level.
  • DFT calculations revealed enhanced covalency in the Cs compound compared to the Rb compound, with adjustable magnetic exchange pathways.

Conclusions:

  • The inductive effect provides a viable framework for simultaneously tuning magnetic, optical, and electronic properties in quantum materials.
  • This approach offers a new strategy for materials development by leveraging principles from organic chemistry.