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Evidencing size-dependent cooperative effects on spin crossover nanoparticles following their HS→LS relaxation

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Abstract

The HS→LS relaxation at cryogenic temperatures after photo-excitation through the light-induced excited spin-state trapping (LIESST) effect of the [Fe(pz)Pt(CN)4] micro- and nanoparticles is probed by optical-absorption spectroscopy and X-Ray Powder Diffraction (XRPD) using synchrotron radiation. A size dependence of the relaxation mechanism is evidenced, due to the inhibition of cluster formation for smaller size particles. This result is explained by simulations performed in the frame of the mechanoelastic model.

Graphical abstract: Evidencing size-dependent cooperative effects on spin crossover nanoparticles following their HS→LS relaxation

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Publication details

The article was received on 28 Sep 2018, accepted on 06 Nov 2018 and first published on 06 Nov 2018


Article type: Paper
DOI: 10.1039/C8TC04315A
Citation: J. Mater. Chem. C, 2018, Advance Article
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    Evidencing size-dependent cooperative effects on spin crossover nanoparticles following their HS→LS relaxation

    T. Delgado, C. Enachescu, A. Tissot, A. Hauser, L. Guénée and C. Besnard, J. Mater. Chem. C, 2018, Advance Article , DOI: 10.1039/C8TC04315A

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