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Grain boundary mediated hydriding phase transformations in individual polycrystalline metal nanoparticles

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cris.lastimport.scopus2024-02-12T19:48:28Z
dc.abstract.enGrain boundaries separate crystallites in solids and influence material properties, as widely documented for bulk materials. In nanomaterials, however, investigations of grain boundaries are very challenging and just beginning. Here, we report the systematic mapping of the role of grain boundaries in the hydrogenation phase transformation in individual Pd nanoparticles. Employing multichannel single-particle plasmonic nanospectroscopy, we observe large variation in particle-specific hydride-formation pressure, which is absent in hydride decomposition. Transmission Kikuchi diffraction suggests direct correlation between length and type of grain boundaries and hydride-formation pressure. This correlation is consistent with tensile lattice strain induced by hydrogen localized near grain boundaries as the dominant factor controlling the phase transition during hydrogen absorption. In contrast, such correlation is absent for hydride decomposition, suggesting a different phase-transition pathway. In a wider context, our experimental setup represents a powerful platform to unravel microstructure–function correlations at the individual-nanoparticle level.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorBurrows, Andrew
dc.contributor.authorZhdanov, Vladimir P.
dc.contributor.authorLanghammer, Christoph
dc.contributor.authorAntosiewicz, Tomasz
dc.contributor.authorWagner, Jakob B.
dc.contributor.authorIandolo, Beniamino
dc.contributor.authorNugroho, Ferry Anggoro Ardy
dc.contributor.authorAlekseeva, Svetlana
dc.contributor.authorFanta, Alice Bastos da Silva
dc.date.accessioned2024-01-25T02:22:24Z
dc.date.available2024-01-25T02:22:24Z
dc.date.copyright2017-10-20
dc.date.issued2017
dc.description.accesstimeAT_PUBLICATION
dc.description.financeNie dotyczy
dc.description.versionFINAL_PUBLISHED
dc.description.volume8
dc.identifier.doi10.1038/S41467-017-00879-9
dc.identifier.issn2041-1723
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/108087
dc.identifier.weblinkhttps://www.nature.com/articles/s41467-017-00879-9
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofNature Communications
dc.relation.pages1084
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleGrain boundary mediated hydriding phase transformations in individual polycrystalline metal nanoparticles
dc.typeJournalArticle
dspace.entity.typePublication