Annealing temperature dependence of local piezoelectric response of (Pb, Ca)TiO3 ferroelectric thin films Abstract: In this work, we have systematically investigated the piezo/ferroelectric response of (Pb, Ca)TiO3 thin films prepared by polymeric precursor method using simultaneously […]
The Overoxidation of poly(3-hexylthiophene) (P3HT) Thin Film: CV and EIS measurements Abstract: In this study the electrochemical degradation of electropolymerized poly (3-hexylthiophene) (P3HT) thin film electrode was carried out by mild overoxidation conditions. Cyclic voltammetry (CV) […]
Oxygen diffusion and vacancy migration thermally-activated govern high-temperature magnetism in ceria Abstract: Several experimental works currently demonstrate that metallic nano-oxides and carbon nanomaterials expected to be diamagnets, in fact, behave as ferromagnets at room temperature. […]
Investigation on acid functionalization of double-walled carbon nanotubes of different lengths on the development of amperometric sensors Abstract: Double-walled carbon nanotubes (DWCNTs) of different length were submitted to acid functionalization and investigated as chemical modifiers on […]
Investigation of the structural, optical and dielectric properties of highly (100)-oriented (Pb0.60Ca0.20Sr0.20)TiO3 thin films on LaNiO3 bottom electrode Abstract: Highly (100)-oriented Pb0.60Ca0.20Sr0.20TiO3/LNO/LAO structure was fabricated using a chemical deposition process via spin-coating technique. XRD revealed that […]
Observation of superficial antiferromagnetism in Co3O4 polycrystals Abstract: We report on a systematic study about the magnetic properties of Co3O4 polycrystals with large size distribution (100-1200 nm) and the crystallite size of 68(4) nm on average. […]
Investigation of defects dependence of local piezoelectric response on Fe, La-modified (Pb,Sr)TiO3 thin films: A piezoresponse force microscopy study Abstract: In this study, undoped-(Pb,Sr)TiO3 and Fe3+, La3+ co-doped (Pb,Sr)TiO3 thin films were investigated at the nanoscale […]
Computational simulations of ZnO@GaN and GaN@ZnO core@shell nanotubes Abstract: The structural, electronic, and mechanical properties of armchair and zigzag chiralities double-walled and core@shell ZnO@GaN and GaN@ZnO nanotubes were investigated by periodic DFT/B3LYP calculations with an all-electron […]
Analysis of AISI 1020 steel corrosion in seawater by coupling electrochemical noise and optical microscopy Abstract: Electrochemical noise coupled to in situ optical micrographs was used to study corrosion processes in AISI 1020 steel immersed in […]
Role of the reactive sputtering deposition power in the phase control of cobalt oxide films Abstract: The influence of the reactive magnetron sputtering deposition power on determining the stoichiometry and structure of cobalt oxide polycrystalline films […]
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