Elasticity of Prussian-Blue-Analogue Nanoparticles

Félix, Gautier, Mikolasek, Mirko, Shepherd, H.J., Long, Jérôme, Larionova, Joulia, Guari, Yannick, Itié, Jean-Paul, Chumakov, Aleksandr I., Nicolazzi, William, Molnár, Gábor, and others. (2018) Elasticity of Prussian-Blue-Analogue Nanoparticles. European Journal of Inorganic Chemistry, . ISSN 1434-1948. E-ISSN 1099-0682. (doi:10.1002/ejic.201700796)

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We report on the elastic properties of Ni/[Fe(CN)6] Prussian-blue-analogue nanoparticles investigated by high-pressure synchrotron X-ray diffraction and nuclear inelastic scattering. For 3 nm and 115 nm particles, we have obtained bulk moduli of (30.3?±?3.8) GPa and (24.5?±?3.2) GPa, with Debye sound velocities of (2496?±?46) m?s–1 and (2407?±?38) m?s–1, respectively. Combining these results, Poisson's ratio, Young's modulus, the shear modulus, and the transversal/longitudinal sound velocities have been calculated for each particle size. All of these physical quantities suggest a stiffening of the lattice when the particle size decreases, which is mainly attributed to the reduction of iron ions on the particle surface.

Item Type: Article
DOI/Identification number: 10.1002/ejic.201700796
Subjects: Q Science
Divisions: Faculties > Sciences > School of Physical Sciences
Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Depositing User: Helena Shepherd
Date Deposited: 21 Sep 2017 10:41 UTC
Last Modified: 29 May 2019 19:33 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/63506 (The current URI for this page, for reference purposes)
Shepherd, H.J.: https://orcid.org/0000-0003-0832-4475
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