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Keywords:

  • Metal complexation;
  • Piezoelectrics;
  • Polymeric materials
Thumbnail image of graphical abstract

Spin-crossover (SCO) complexes based on three-dimensional coordination polymers (see Figure) exhibit unprecedented pressure-tunable thermal and piezochromic bistability at room temperature. The thermal- and piezohysteresis loops of the material can be tuned, providing a step towards reliable pressure-based memory systems or displays.