Anelastic spectroscopy has been performed on a sample of superconducting oxide SmBa2Cu3O7-delta (SBCO) using a torsion pendulum operating with frequency around 10 Hz. A thermally activated relaxation peak is observed near ...

Anelastic spectroscopy has been performed on a sample of superconducting oxide SmBa2Cu3O7-delta (SBCO) using a torsion pendulum operating with frequency around 10 Hz. A thermally activated relaxation peak is observed near ...

A metabolic model for Leptospirillum ferrooxidans was developed based on the genomic information of an analogous iron oxidizing bacteria and on the pathways of ferrous iron oxidation, nitrogen and CO2 assimilation ...

Since the discovery of high-temperature superconductivity of cuprate oxides, it has been clear that it is strongly affected by the oxygen content, which is also a crucial factor to determine other physical properties of ...

Since the discovery of high-temperature superconductivity of cuprate oxides, it has been clear that it is strongly affected by the oxygen content, which is also a crucial factor to determine other physical properties of ...

Resumen: Las cobaltitas YBaCo2O5+δ son materiales con estructura tipo perovskitas, que muestra propiedades fisicoquímicas fascinantes. El oxígeno no estequiométrico brinda a estos materiales una elevada capacidad de ...

The adsorption of different gases onto tin oxide films surfaces promotes electrical conductance variations. Films chemiresistive properties depend on the intergranular barrier heights and on the concentration of ...

Since the discovery of the high Tc superconductors, many researches have been carried out on the different properties of these materials, especially oil the transition temperature into the superconducting state. The ...