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Carlos Alberto Ospina Ramirez
Carlos Alberto Ospina Ramirez
Centro Nacional de Pesquisa em Energia e Materiais
Geverifieerd e-mailadres voor lnnano.cnpem.br - Homepage
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On the AA2198-T851 alloy microstructure and its correlation with localized corrosion behaviour
U Donatus, M Terada, CR Ospina, FM Queiroz, AFS Bugarin, I Costa
Corrosion Science 131, 300-309, 2018
1102018
Characterization of electroforming-free titanium dioxide memristors
JP Strachan, JJ Yang, LA Montoro, CA Ospina, AJ Ramirez, ALD Kilcoyne, ...
Beilstein journal of nanotechnology 4 (1), 467-473, 2013
832013
Graphene oxide-silver nanoparticle hybrid material: an integrated nanosafety study in zebrafish embryos
AMZ de Medeiros, LU Khan, GH da Silva, CA Ospina, OL Alves, ...
Ecotoxicology and Environmental Safety 209, 111776, 2021
542021
Radiolabelled nanohydroxyapatite with 99mTc: perspectives to nanoradiopharmaceuticals construction
MS Albernaz, CA Ospina, AM Rossi, R Santos-Oliveira
Artificial cells, nanomedicine, and biotechnology 42 (2), 88-91, 2014
472014
Experimental evidence and structural modeling of nonstoichiometric (0 1 0) surfaces coexisting in hydroxyapatite nano-crystals
CA Ospina, J Terra, AJ Ramirez, M Farina, DE Ellis, AM Rossi
Colloids and Surfaces B: Biointerfaces 89, 15-22, 2012
432012
The impact of the RGD peptide on osteoblast adhesion and spreading on zinc-substituted hydroxyapatite surface
E Mavropoulos, M Hausen, AM Costa, G Alves, A Mello, CA Ospina, M Mir, ...
Journal of Materials Science: Materials in Medicine 24 (5), 1271-1283, 2013
412013
Unraveling the role of Sn segregation in the electronic transport of polycrystalline hematite: raising the electronic conductivity by lowering the grain‐boundary blocking effect
MRS Soares, CAR Costa, EM Lanzoni, J Bettini, CAO Ramirez, FL Souza, ...
Advanced Electronic Materials 5 (6), 1900065, 2019
402019
Structural, morphological and magnetic characterization of electrodeposited Co–Fe–W alloys
R Della Noce, AV Benedetti, M Magnani, EC Passamani, H Kumar, ...
Journal of alloys and compounds 611, 243-248, 2014
332014
Orthorhombic martensite formation upon aging in a Ti-30Nb-4Sn alloy
CAF Salvador, ESN Lopes, CA Ospina, R Caram
Materials Chemistry and Physics 183, 238-246, 2016
312016
Discovering a selective semimetal element to increase hematite photoanode charge separation efficiency
AE Nogueira, MRS Soares, JBS Junior, CAO Ramirez, FL Souza, ...
Journal of Materials Chemistry A 7 (28), 16992-16998, 2019
282019
Efficient multicolor tunability of ultrasmall ternary-doped LaF 3 nanoparticles: Energy conversion and magnetic behavior
N Shrivastava, LU Khan, JM Vargas, C Ospina, JAQ Coaquira, ...
Physical Chemistry Chemical Physics 19 (28), 18660-18670, 2017
262017
Building block magneto-luminescent nanomaterials of iron-oxide/ZnS@ LaF 3: Ce 3+, Gd 3+, Tb 3+ with green emission
N Shrivastava, LU Khan, ZU Khan, JM Vargas, O Moscoso-Londoño, ...
Journal of Materials Chemistry C 5 (9), 2282-2290, 2017
222017
Determining the Surface Atomic Population of CuxNi1–x/CeO2 (0 < x ≤ 1) Nanoparticles during the Reverse Water–Gas Shift (RWGS) Reaction
WT Figueiredo, C Escudero, V Perez-Dieste, CA Ospina, F Bernardi
The Journal of Physical Chemistry C 124 (31), 16868-16878, 2020
152020
Structural properties of nanostructured carbonate apatites
CAO Ramirez, AM Costa, J Bettini, AJ Ramirez, MH Prado da Silva, ...
Key Engineering Materials 396, 611-614, 2009
152009
Effect of segregation on particle size stability and SPS sintering of Li2O-Doped magnesium aluminate spinel.
LB Caliman, D Muche, A Silva, CA Ospina R., IF Machado, RHR Castro, ...
Journal of the European Ceramic Society 39 (10), 3213-3220, 2019
142019
Structure of antiferromagnetic NiO/ferrimagnetic NiMn2O4 composite prepared by sorbitol-assisted sol-gel method.
AJ Freitas Cabral, CMR Remédios, CA Ospina, AMG Carvalho, ...
Journal of Alloys and Compounds 696, 304-309, 2017
122017
Nondestructive Monitoring of Defect Evolution in Epitaxial CdTe Thin Layers Grown on Si(111).
JM Oliveira, A Malachias, CA Ospina, SO Ferreira
J. Phys. Chem. C 118 (4), 1968-1973, 2014
112014
Ideal dopant to increase charge separation efficiency in hematite photoanodes: germanium
MH de Matos Rodrigues, I Rodriguez-Gutierréz, CAO Ramirez, ...
Journal of Materials Chemistry A 10 (25), 13456-13466, 2022
92022
Patterning edge-like defects and tuning defective areas on the basal plane of ultra-large MoS2 monolayers toward the hydrogen evolution reaction
MS Bianca Rocha Florindo, Leonardo H. Hasimoto, Nicolli de Freitas, Graziani ...
Journal of Materials Chemistry A 11, 19890, 2023
82023
Different growth regimes in InP nanowire growth mediated by Ag nanoparticles.
DS Oliveira, M Zavarize, LHG Tizei, M Walls, C Ospina, F Iikawa, D Ugarte, ...
Nanotechnology 7, 12722, 2017
82017
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Artikelen 1–20