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Spin crossover in the Prussian blue analogue FePt(CN) 6 induced by pressure or X-ray irradiation

DOI: 10.1039/D0DT02036B DOI Help

Authors: Hanna L. B. Bostroem (Uppsala University) , Andrew B. Cairns (Imperial College London) , Lei Liu (Uppsala University) , Peter Lazor (Uppsala University) , Ines E. Collings (Empa ā€“ Swiss Federal Laboratories for Materials Science and Technology)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Dalton Transactions , VOL 49 , PAGES 12940 - 12944

State: Published (Approved)
Published: September 2020
Diamond Proposal Number(s): 19776

Open Access Open Access

Abstract: The spin state of the Prussian blue analogue FeIIPtIV(CN)6 is investigated in response to temperature, pressure, and X-ray irradiation. While cooling to 10 K maintains the high-spin state of FeII, compression at ambient temperature induces a first-order spin-crossover (SCO) transition with a small hysteresis loop (pā†‘ = 0.8 GPa, pā†“ = 0.6 GPa). In addition, the high-spin to low-spin transition can be initiated at lower pressure through increased X-ray irradiation. Our study highlights a cooperative SCO with moderate pressure in a porous Prussian blue analogue.

Subject Areas: Materials, Chemistry

Instruments: I15-Extreme Conditions