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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Schaniel, Dominik
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Publications (7/7 displayed)
- 2020Novel Photoactive Spirooxazine Based Switch@MOF Composite Materialscitations
- 2017In-house time-resolved photocrystallography on the millisecond timescale using a gated X-ray hybrid pixel area detectorcitations
- 2016Comparison of CCD, CMOS and Hybrid Pixel x-ray detectors: detection principle and data qualitycitations
- 2015Structure determination of molecular nanocomposites by combining pair distribution function analysis and solid-state NMRcitations
- 2013Room temperature bistability with wide thermal hysteresis in a spin crossover silica nanocompositecitations
- 2013Room temperature bistability with wide thermal hysteresis in a spin crossover silica nanocompositecitations
- 2013Structural reinvestigation of the photoluminescent complex [NdCl2(H2O)(6)]Clcitations
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article
Room temperature bistability with wide thermal hysteresis in a spin crossover silica nanocomposite
Abstract
Nanocomposites have been processed following a wet-impregnation approach, by confined growth of nanoparticles of the spin crossover complex [Fe(Htrz)2(trz)](BF4) within pre-formed transparent mesoporous silica monoliths of well controlled porosity. The obtained materials were studied using numerous characterisation techniques to define the interplay between the porosity of the host matrix, the structure and morphology of the in situ elaborated nanoparticles, and the spin crossover properties of the composite. Transmission electron micrographs show monodisperse spherical nanoparticles of mean diameter 3.2(5) nm, homogeneously distributed within the pores of the silica monolith. Magnetic measurements, temperature dependent infrared, Raman, and M¨ossbauer spectroscopy confirm the spin transition behaviour of the nanocomposite, with a room temperature bistability and 65 K wide hysteresis.