A5107968324- Electrochemical Analysis and Applications
- Corrosion Behavior and Inhibition
- Magnetic Properties and Synthesis of Ferrites
- Electrocatalysts for Energy Conversion
- Metal Extraction and Bioleaching
- Advanced battery technologies research
- Advanced Condensed Matter Physics
- Multiferroics and related materials
- Advancements in Battery Materials
- Cultural Heritage Materials Analysis
- Electrodeposition and Electroless Coatings
- Chalcogenide Semiconductor Thin Films
- Transition Metal Oxide Nanomaterials
- Conducting polymers and applications
- Iron oxide chemistry and applications
- Advancements in Solid Oxide Fuel Cells
- Electrical and Thermal Properties of Materials
- Concrete Corrosion and Durability
- Advanced oxidation water treatment
- Supercapacitor Materials and Fabrication
- X-ray Spectroscopy and Fluorescence Analysis
- Catalysis and Oxidation Reactions
- Minerals Flotation and Separation Techniques
- Analytical Chemistry and Sensors
- Advanced Sensor and Energy Harvesting Materials
University of Lisbon
2001-2015
GTx (United States)
2000
Spinel type Fe-Co3O4 (0, 5 and 10 % of Fe) oxide thin films have been investigated as electrocatalysts for the oxygen evolution reaction (OER) in 1M KOH using electrochemical impedance spectroscopy (EIS) technique. The were prepared, on stainless steel supports, thermal decomposition method at 400°C. EIS study was carried out to investigate effect partial substitution Co by Fe, lattice, catatalytic performance towards OER also film /1M interface. observed results compared with those reported...
Abstract This paper reports a study carried out on two Roman coins found in the archaeological site of São Pedro, Fronteira (Alentejo, Portugal). One coin was quite well preserved state, allowing its reading and historical identification, while other deteriorated difficult. The have been identified as: an Antoninianus Galilenus (267–268 A.D.) AE 3 (337–340 which is impossible to identify emperor. Energy dispersive spectroscopy (EDS) has given following average composition: 42%C + 30%O 12%Cu...