Search Results - "Ferreira, M. G."

Ultra-light dark matter by Ferreira, Elisa G. M.

“…Ultra-light dark matter is a class of dark matter models (DM), where DM is composed by bosons with masses ranging from 10 - 24 eV < m < eV . These models have…”
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Enhancement of Active Corrosion Protection via Combination of Inhibitor-Loaded Nanocontainers by Tedim, J, Poznyak, S. K, Kuznetsova, A, Raps, D, Hack, T, Zheludkevich, M. L, Ferreira, M. G. S

“…The present work reports the synthesis of layered double hydroxides (LDHs) nanocontainers loaded with different corrosion inhibitors (vanadate, phosphate, and…”
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Electrochemical study of modified bis-[triethoxysilylpropyl] tetrasulfide silane films applied on the AZ31 Mg alloy by Montemor, M.F., Ferreira, M.G.S.

“…This work investigates the protective behaviour of bis-[triethoxysilylpropyl] tetrasulfide silane pre-treatments on the AZ31 Mg alloy. The silane solution was…”
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New Constraint on Early Dark Energy from Planck and BOSS Data Using the Profile Likelihood by Herold, Laura, Ferreira, Elisa G. M., Komatsu, Eiichiro

“…A dark energy–like component in the early universe, known as early dark energy (EDE), is a proposed solution to the Hubble tension. Currently, there is no…”
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On the robustness of global radially anisotropic surface wave tomography by Ferreira, A. M. G., Woodhouse, J. H., Visser, K., Trampert, J.

“…A number of recent global tomographic studies have modeled three dimensional variations in the parameters of radial anisotropy. As yet there is limited…”
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Cosmic filament spin from dark matter vortices by Alexander, Stephon, Capanelli, Christian, G. M. Ferreira, Elisa, McDonough, Evan

“…The recent observational evidence for cosmic filament spin on megaparsec scales Wang et al. (2021) [41] demands an explanation in the physics of dark matter…”
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Hydroxyapatite Microparticles as Feedback-Active Reservoirs of Corrosion Inhibitors by Snihirova, D, Lamaka, S. V, Taryba, M, Salak, A. N, Kallip, S, Zheludkevich, M. L, Ferreira, M. G. S, Montemor, M. F

“…This work contributes to the development of new feedback-active anticorrosion systems. Inhibitor-doped hydroxyapatite microparticles (HAP) are used as…”
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Novel Inorganic Host Layered Double Hydroxides Intercalated with Guest Organic Inhibitors for Anticorrosion Applications by Poznyak, S. K, Tedim, J, Rodrigues, L. M, Salak, A. N, Zheludkevich, M. L, Dick, L. F. P, Ferreira, M. G. S

“…Zn−Al and Mg−Al layered double hydroxides (LDHs) loaded with quinaldate and 2-mercaptobenzothiazolate anions were synthesized via anion-exchange reaction. The…”
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The diversity of core–halo structure in the fuzzy dark matter model by Chan, Hei Yin Jowett, Ferreira, Elisa G M, May, Simon, Hayashi, Kohei, Chiba, Masashi

“…In the fuzzy dark matter (FDM) model, gravitationally collapsed objects always consist of a solitonic core located within a virialized halo. Although various…”
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Influence of incorporated Mo and Nb on the Mott–Schottky behaviour of anodic films formed on AISI 304L by Taveira, L.V., Montemor, M.F., Da Cunha Belo, M., Ferreira, M.G., Dick, L.F.P.

“…The effect of incorporated Mo and Nb on the electronic properties of oxide films formed on AISI 304L was investigated by Mott–Schottky analysis. The films show…”
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Sacrificial protection of Mg-based resorbable implant alloy by magnetron sputtered Mg5Gd alloy coating: A short-term study by Yasakau, K.A., Bastos, A.C., Haffner, D., Quandt, E., Feyerabend, F., Ferreira, M.G.S., Zheludkevich, M.L.

“…[Display omitted] •Mg-Gd PVD coatings have been deposited onto Mg5Gd magnesium alloy pins.•The coating is effective in corrosion protection of Mg5Gd magnesium…”
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High effective organic corrosion inhibitors for 2024 aluminium alloy by Lamaka, S.V., Zheludkevich, M.L., Yasakau, K.A., Montemor, M.F., Ferreira, M.G.S.

“…The inhibiting effect of several organic compounds on the corrosion of 2024 aluminium alloy in neutral chloride solution was investigated in the present work…”
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Joint inversion for global isotropic and radially anisotropic mantle structure including crustal thickness perturbations by Chang, Sung-Joon, Ferreira, Ana M. G., Ritsema, Jeroen, van Heijst, Hendrik J., Woodhouse, John H.

“…We present a new global whole‐mantle model of isotropic and radially anisotropic S velocity structure (SGLOBE‐rani) based on ~43,000,000 surface wave and…”
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Nanocontainer-based corrosion sensing coating by Maia, F, Tedim, J, Bastos, A C, Ferreira, M G S, Zheludkevich, M L

“…The present paper reports on the development of new sensing active coating on the basis of nanocontainers containing pH-indicating agent. The coating is able…”
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Novel hybrid sol–gel coatings for corrosion protection of AZ31B magnesium alloy by Lamaka, S.V., Montemor, M.F., Galio, A.F., Zheludkevich, M.L., Trindade, C., Dick, L.F., Ferreira, M.G.S.

“…This work aims to develop and study new anticorrosion films for AZ31B magnesium alloy based on the sol–gel coating approach. Hybrid organic–inorganic sols were…”
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Comparing global seismic tomography models using varimax principal component analysis by de Viron, Olivier, Van Camp, Michel, Grabkowiak, Alexia, Ferreira, Ana M. G

“…Global seismic tomography has greatly progressed in the past decades, with many global Earth models being produced by different research groups. Objective,…”
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Analytical characterisation and corrosion behaviour of bis-aminosilane coatings modified with carbon nanotubes activated with rare-earth salts applied on AZ31 Magnesium alloy by Montemor, M.F., Ferreira, M.G.S.

“…The present work investigates the corrosion behaviour of AZ31 Magnesium alloy (Mg AZ31) substrates pre-treated with a water soluble bis-aminosilane modified…”
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Mechanism of LDH Direct Growth on Aluminum Alloy Surface: A Kinetic and Morphological Approach by Bouali, A. C, Iuzviuk, M. H, Serdechnova, M, Yasakau, K. A, Drozdenko, D, Lutz, A, Fekete, K, Dovzhenko, G, Wieland, D. C. F, Terryn, H, Ferreira, M. G. S, Zobkalo, I. A, Zheludkevich, M. L

“…The growth of ZnAl layered double hydroxide (LDH) on the AA2024 surface was monitored using synchrotron high-resolution X-ray diffraction. Data were analyzed…”
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Upper- and mid-mantle interaction between the Samoan plume and the Tonga–Kermadec slabs by Chang, Sung-Joon, Ferreira, Ana M. G., Faccenda, Manuele

“…Mantle plumes are thought to play a key role in transferring heat from the core–mantle boundary to the lithosphere, where it can significantly influence plate…”
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Efficient Management of Sewage Sludge from Urban Wastewaters with the Addition of Inorganic Waste: Focus on Rheological Properties by Santos, Andreia F., Ferreira, Abel G. M., Quina, Margarida J.

“…Sewage sludge (SS) from urban wastewater treatment is still an environmental, economic, and social problem. Current SS management is not consensual, and more…”
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