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Open AccessArticle

In Situ AFM Imaging of Microstructural Changes Associated with The Spin Transition in [Fe(Htrz)2(Trz)](Bf4) Nanoparticles

1
LCC, CNRS & Université de Toulouse (UPS, INP), Toulouse 31077, France
2
LAAS, CNRS & Université de Toulouse (INSA, UPS), Toulouse 31077, France
3
Department of Chemistry, National Taras Shevchenko University, Kiev 01601, Ukraine
4
Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
*
Authors to whom correspondence should be addressed.
Academic Editor: Wolgang Linert
Materials 2016, 9(7), 537; https://doi.org/10.3390/ma9070537
Received: 6 June 2016 / Revised: 23 June 2016 / Accepted: 28 June 2016 / Published: 30 June 2016
(This article belongs to the Special Issue Advances in Molecular Magnets and related Phenomena)
Topographic images of [Fe(Htrz)2(trz)](BF4) nanoparticles were acquired across the first-order spin transition using variable-temperature atomic force microscopy (AFM) in amplitude modulation mode. These studies revealed a complex morphology of the particles consisting of aggregates of small nanocrystals, which expand, separate and re-aggregate due to the mechanical stress during the spin-state switching events. Both reversible (prompt or slow recovery) and irreversible effects (fatigue) on the particle morphology were evidenced and correlated with the spin crossover properties. View Full-Text
Keywords: spin crossover; microstructures; atomic force microscopy spin crossover; microstructures; atomic force microscopy
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MDPI and ACS Style

Manrique-Juárez, M.D.; Suleimanov, I.; Hernández, E.M.; Salmon, L.; Molnár, G.; Bousseksou, A. In Situ AFM Imaging of Microstructural Changes Associated with The Spin Transition in [Fe(Htrz)2(Trz)](Bf4) Nanoparticles. Materials 2016, 9, 537.

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