Issue 36, 2025
From the journal:

Dalton Transactions

Hidden spin state accessed by light irradiation in an iron(iii) high-spin complex

Hikaru Zenno, ORCID logo a   Rui Hieda,a   Ryosuke Nakao,a   Yoshihiro Sekine ORCID logo a  and  Shinya Hayami ORCID logo *abc  

* Corresponding authors

a Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
E-mail: hayami@kumamoto-u.ac.jp

b International Research Organization for Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

c International Research Center for Agricultural and Environmental Biology (IRCAEB), 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

Abstract

A high-spin (HS) iron(III) complex, [Fe(qsal)2]Cl·MeOH·H2O, was synthesised, and its crystal structures and photo-induced magnetic properties were characterised. Upon photo-excitation, the HS state is converted into a low-spin (LS) state, revealing a thermally inaccessible metastable state. This photo-induced spin switching behaviour suggests the presence of a light-accessible hidden phase.

Graphical abstract: Hidden spin state accessed by light irradiation in an iron(iii) high-spin complex

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Article information

DOI
https://doi.org/10.1039/D5DT01604E
Article type
Communication
Submitted
08 Jul 2025
Accepted
20 Aug 2025
First published
22 Aug 2025

Dalton Trans., 2025,54, 13426-13430

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Hidden spin state accessed by light irradiation in an iron(III) high-spin complex

H. Zenno, R. Hieda, R. Nakao, Y. Sekine and S. Hayami, Dalton Trans., 2025, 54, 13426 DOI: 10.1039/D5DT01604E

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