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Issue 3, 2018
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Room temperature control of spin states in a thin film of a photochromic iron(ii) complex

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Abstract

Thin films of a molecular spin crossover iron(II) complex featuring a photochromic diarylethene-based ligand have been grown by sublimation in ultra-high vacuum on an Au(111) single crystal, and investigated by X-ray and UV photoelectron spectroscopies. Temperature-dependent studies demonstrate that the thermally induced spin crossover behaviour is preserved in thin films. The photochromic ligand deliberately integrated into the complex allows photoswitching of the spin states of this iron(II) complex at room temperature, and this photomagnetic effect is still observed in 5 nm thick sublimated films. Thus, this work opens new horizons and pushes bistable spin crossover systems closer to prospective applications in molecular electronics and molecular spintronics devices functioning at room temperature.

Graphical abstract: Room temperature control of spin states in a thin film of a photochromic iron(ii) complex

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Article information


Submitted
04 Dec 2017
Accepted
08 Mar 2018
First published
12 Mar 2018

Mater. Horiz., 2018,5, 506-513
Article type
Communication

Room temperature control of spin states in a thin film of a photochromic iron(II) complex

L. Poggini, M. Milek, G. Londi, A. Naim, G. Poneti, L. Squillantini, A. Magnani, F. Totti, P. Rosa, M. M. Khusniyarov and M. Mannini, Mater. Horiz., 2018, 5, 506
DOI: 10.1039/C7MH01042G

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