Bistable Spin‐Crossover Nanoparticles for Molecular Electronics

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Abstract
The field of spin‐crossover complexes is rapidly evolving from the study of the spin transition phenomenon to its exploitation in molecular electronics. Such spin transition is gradual in a single‐molecule, while in bulk it can be abrupt, showing sometimes thermal hysteresis and thus a memory effect. A convenient way to keep this bistability while reducing the size of the spin‐crossover material is to process it as nanoparticles (NPs). Here, the most recent advances in the chemical design of these NPs and their integration into electronic devices, paying particular attention to optimizing the switching ratio are reviewed. Then, integrating spin‐crossover NPs over 2D materials is focused to improve the endurance, performance, and detection of the spin state in these hybrid devices.
Funding Information
  • Generalitat Valenciana (PROMETEO/2021/022, CIAPOS/2021/269)
  • Ministerio de Universidades (FPU fellowship (FPU15/01474))
  • Ministerio de Ciencia e Innovación (2D‐HETEROSPID2020‐117152RB‐I00, ExcellenceUnitMaríadeMaeztu‐CEX2019‐000919‐M)
  • European Commission (FETOPENSINFONIA964396, AdvancedMaterialsProgram‐NextGenerationEu(PRTR‐C17.I1))
  • H2020 European Research Council (ERC AdG Mol‐2D 788222)

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