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Tailored topotactic chemistry unlocks heterostructures of magnetic intercalation compounds

Author

Listed:
  • Samra Husremović

    (University of California)

  • Oscar Gonzalez

    (University of California)

  • Berit H. Goodge

    (University of California
    Max-Planck-Institute for Chemical Physics of Solids)

  • Lilia S. Xie

    (University of California)

  • Zhizhi Kong

    (University of California)

  • Wanlin Zhang

    (University of California)

  • Sae Hee Ryu

    (Lawrence Berkeley National Laboratory)

  • Stephanie M. Ribet

    (Lawrence Berkeley National Laboratory)

  • Shannon S. Fender

    (University of California)

  • Karen C. Bustillo

    (Lawrence Berkeley National Laboratory)

  • Chengyu Song

    (Lawrence Berkeley National Laboratory)

  • Jim Ciston

    (Lawrence Berkeley National Laboratory)

  • Takashi Taniguchi

    (National Institute for Materials Science)

  • Kenji Watanabe

    (National Institute for Materials Science)

  • Colin Ophus

    (Stanford University)

  • Chris Jozwiak

    (Lawrence Berkeley National Laboratory)

  • Aaron Bostwick

    (Lawrence Berkeley National Laboratory)

  • Eli Rotenberg

    (Lawrence Berkeley National Laboratory)

  • D. Kwabena Bediako

    (University of California
    Lawrence Berkeley National Laboratory
    Kavli Energy NanoSciences Institute at the University of California Berkeley and the Lawrence Berkeley National Laboratory)

Abstract

The construction of thin film heterostructures has been a widely successful archetype for fabricating materials with emergent physical properties. This strategy is of particular importance for the design of multilayer magnetic architectures in which direct interfacial spin-spin interactions between magnetic phases in dissimilar layers lead to emergent and controllable magnetic behavior. However, crystallographic incommensurability and atomic-scale interfacial disorder can severely limit the types of materials amenable to this strategy, as well as the performance of these systems. Here, we demonstrate a method for synthesizing heterostructures comprising magnetic intercalation compounds of transition metal dichalcogenides (TMDs), through directed topotactic reaction of the TMD with a metal oxide. The mechanism of the intercalation reaction enables thermally initiated intercalation of the TMD from lithographically patterned oxide films, giving access to a family of multi-component magnetic architectures through the combination of deterministic van der Waals assembly and directed intercalation chemistry.

Suggested Citation

  • Samra Husremović & Oscar Gonzalez & Berit H. Goodge & Lilia S. Xie & Zhizhi Kong & Wanlin Zhang & Sae Hee Ryu & Stephanie M. Ribet & Shannon S. Fender & Karen C. Bustillo & Chengyu Song & Jim Ciston &, 2025. "Tailored topotactic chemistry unlocks heterostructures of magnetic intercalation compounds," Nature Communications, Nature, vol. 16(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-56467-9
    DOI: 10.1038/s41467-025-56467-9
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