Search Results - "Prieto, Mauricio J"
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Growth and Atomic‐Scale Characterization of Ultrathin Silica and Germania Films: The Crucial Role of the Metal Support
Published in Chemistry : a European journal (26-01-2021)“…The present review reports on the preparation and atomic‐scale characterization of the thinnest possible films of the glass‐forming materials silica and…”
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LEEM and PEEM as Probing Tools to Address Questions in Catalysis
Published in Catalysis letters (01-10-2017)“…Catalysis is a hot topic in research with the focus on finding catalysts that show better activity or selectivity on processes on technological or industrial…”
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Correlative In Situ Spectro-Microscopy of Supported Single CuO Nanoparticles: Unveiling the Relationships between Morphology and Chemical State during Thermal Reduction
Published in ACS nano (28-05-2024)“…The activity, selectivity, and lifetime of nanocatalysts critically depend on parameters such as their morphology, support, chemical composition, and oxidation…”
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Water Formation under Silica Thin Films: Real‐Time Observation of a Chemical Reaction in a Physically Confined Space
Published in Angewandte Chemie International Edition (09-07-2018)“…Using low‐energy electron microscopy and local photoelectron spectroscopy, water formation from adsorbed O and H2 on a Ru(0001) surface covered with a vitreous…”
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A Silica Bilayer Supported on Ru(0001): Following the Crystalline‐to Vitreous Transformation in Real Time with Spectro‐microscopy
Published in Angewandte Chemie International Edition (22-06-2020)“…The crystalline‐to‐vitreous phase transformation of a SiO2 bilayer supported on Ru(0001) was studied by time‐dependent LEED, local XPS, and DFT calculations…”
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Insights into Reaction Kinetics in Confined Space: Real Time Observation of Water Formation under a Silica Cover
Published in Journal of the American Chemical Society (16-06-2021)“…We offer a comprehensive approach to determine how physical confinement can affect the water formation reaction. By using free-standing crystalline SiO2…”
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Spectromicroscopic study of the transformation with low energy ions of a hematite thin film into a magnetite/hematite epitaxial bilayer
Published in Ultramicroscopy (01-01-2024)“…•Ion bombardment transforms an epitaxial hematite thin film into an epitaxial magnetite/hematite bilayer.•The oxygen sublattice acts as a scaffold during the…”
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Preparation and stability of the hexagonal phase of samarium oxide on Ru(0001)
Published in Ultramicroscopy (01-08-2023)“…•Stabilization of unusual hexagonal A-Sm2O3 phase on Ru(0001) for thin films.•Critical role of Sm2O3/substrate interaction in the formation of A-Sm2O3.•XAS and…”
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9
Plasma-assisted oxidation of Cu(100) and Cu(111)
Published in Chemical science (Cambridge) (03-11-2021)“…Oxidized copper surfaces have attracted significant attention in recent years due to their unique catalytic properties, including their enhanced hydrocarbon…”
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Formation and Evolution of Ultrathin Silica Polymorphs on Ru(0001) Studied with Combined in Situ, Real-Time Methods
Published in Journal of physical chemistry. C (04-04-2019)“…Silica mono- and bilayer films on Ru(0001) can be physisorbed or chemisorbed, with ordered or vitreous structures, depending on the particular preparation…”
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Impact of Nanomorphology on Surface Doping of Organic Semiconductors: The Pentacene-C 60 F 48 Interface
Published in ACS applied materials & interfaces (03-06-2020)“…Establishing the rather complex correlation between the structure and the charge transfer in organic-organic heterostructures is of utmost importance for…”
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Frontispiece: Growth and Atomic‐Scale Characterization of Ultrathin Silica and Germania Films: The Crucial Role of the Metal Support
Published in Chemistry : a European journal (26-01-2021)“…The thinnest possible films of the glass‐forming materials silica and germania were so far investigatd by employing scanning probe microscopy and density…”
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13
Plasma Functionalization of Silica Bilayer Polymorphs
Published in ACS applied materials & interfaces (02-11-2022)“…Ultrathin silica films are considered suitable two-dimensional model systems for the study of fundamental chemical and physical properties of all-silica…”
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14
Impact of Nanomorphology on Surface Doping of Organic Semiconductors: The Pentacene-C60F48 Interface
Published in ACS applied materials & interfaces (03-06-2020)Get full text
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15
From 1D to 3D Ru Nanostructures on a Pt Stepped Surface as Model Systems in Electrocatalysis: UHV-STM and XPS Study
Published in Journal of physical chemistry. C (11-12-2014)“…A Ru-decorated Pt single crystal vicinal to the (111) plane was studied using scanning tunneling microscopy (STM) and X-ray photoemission spectroscopy (XPS) in…”
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16
Pattern Formation in Catalytic H2 Oxidation on Rh: Zooming in by Correlative Microscopy
Published in ACS catalysis (07-10-2022)“…Spatio-temporal nonuniformities in H2 oxidation on individual Rh(h k l) domains of a polycrystalline Rh foil were studied in the 10–6 mbar pressure range by…”
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17
Formation of a 2D Meta-stable Oxide by Differential Oxidation of AgCu Alloys
Published in ACS applied materials & interfaces (20-05-2020)“…Metal alloy catalysts can develop complex surface structures when exposed to reactive atmospheres. The structures of the resulting surfaces have intricate…”
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Promotion Effect of Platinum on Gold’s Reactivity: A High-Resolution Photoelectron Spectroscopy Study
Published in Journal of physical chemistry. C (19-05-2016)“…The reactivity of the Pt/Au(332) surface was studied using high-resolution photoelectron spectroscopy and carbon monoxide adsorption at 3.5 × 10–3 mbar. The…”
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19
Low-Temperature Growth of Graphene on a Semiconductor
Published in Journal of physical chemistry. C (25-02-2021)“…The industrial realization of graphene has so far been limited by challenges related to the quality, reproducibility, and high process temperatures required to…”
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Ostwald Ripening in an Oxide‐on‐Metal System
Published in Advanced materials interfaces (01-06-2022)“…Ostwald ripening is a well‐known physicochemical phenomenon in which smaller particles, characterized by high surface energy, dissolve and feed the bigger ones…”
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