Orientation and morphology of Pt nanoparticles in γ-alumina processed via ion implantation and thermal annealing
dc.contributor.author | Clauser, Arielle | pt_BR |
dc.contributor.author | Giulian, Raquel | pt_BR |
dc.contributor.author | McClure, Zachary | pt_BR |
dc.contributor.author | Sarfo, Kofi Oware | pt_BR |
dc.contributor.author | Ophus, Colin | pt_BR |
dc.contributor.author | Ciston, Jim | pt_BR |
dc.contributor.author | Árnadóttir, Líney | pt_BR |
dc.contributor.author | Santala, Melissa K. | pt_BR |
dc.date.accessioned | 2021-02-09T04:07:15Z | pt_BR |
dc.date.issued | 2020 | pt_BR |
dc.identifier.issn | 1359-6462 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/217808 | pt_BR |
dc.description.abstract | Structure and chemistry of metal/metal-oxide interfaces are critical for many catalytic processes and sensing. Pristine interfaces of Pt and γ -Al2O3 were fabricated using high-energy ion implantation and thermal processing. Amorphous regions of alumina develop in single crystal α-alumina during Pt+ implantation and an 800 °C thermal treatment crystalizes amorphized alumina to γ -Al2O3 and allows Pt ions to precipitate within the developing γ -alumina, yielding Pt nanoparticle tetrahedra terminated by {111} surfaces. The phase of alumina that developed and the distribution, morphology, and orientation of Pt nanoparticles was determined using x-ray diffraction, Rutherford backscattering spectrometry, transmission electron microscopy and scanning transmission electron microscopy. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Scripta materialia. Amsterdam. Vol. 188 (Nov. 2020), p. 44-49 | pt_BR |
dc.rights | Open Access | en |
dc.subject | Platina | pt_BR |
dc.subject | Crystalline oxides | en |
dc.subject | Platinum | en |
dc.subject | Nanopartículas | pt_BR |
dc.subject | Microscopia de transmissao eletronica | pt_BR |
dc.subject | Interfaces | en |
dc.subject | Nanoparticle morphology | en |
dc.subject | Transmission electron microscopy | en |
dc.title | Orientation and morphology of Pt nanoparticles in γ-alumina processed via ion implantation and thermal annealing | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 001117902 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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