[2 + 2] Photocyclization converts thermally induced spin crossover effect into “hidden hysteresis” one

• DOI: 10.1039/d4sc05587j
• Publication Date: 2025-03-25T13:25:48Z
• Authors: Marcin Kaźmierczak; Marek Weselski; Miłosz Siczek; Juliusz A. Wolny; Volker Schünemann; Robert Bronisz

Ligand photoconversion in an Fe(ii) SCO complex results in a hidden low spin state effect. Photoswitching combined with a change in temperature allows reaching any macroscopic magnetically steady state within the hidden hysteresis region.