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4 papers · 1 filter
Correlation between Thermal Properties, Electrical Conductivity and Crystal Structure in the BaCe0.80Y0.20O2.9 Proton Conductor
Lorenzo Malavasi, Clemens Ritter, Gaetano Chiodelli
In this paper we report an extensive neutron diffraction investigation at high temperature on the BaCe0.80Y0.20O2.9 proton conducting material. Our results precisely define the str…
Optical properties of Ge-oxygen defect center embedded in silica films
F. Messina, S. Agnello, R. Boscaino +3
The photo-luminescence features of Ge-oxygen defect centers in a 100nm thick Ge-doped silica film on a pure silica substrate were investigated by looking at the emission spectra an…
Unexpected effect of Ru-substitution in lightly doped manganites
Lorenzo Malavasi, M. Cristina Mozzati, Cristina Tealdi +3
In this Communication we report about the unexpected effect of ruthenium doping in sodium ligthly-doped manganites. This effect seems to be in contrast with the usual model applied…
Oxygen Chemical Diffusion Coefficient in Manganite Thin Films by Isothermal Electric Resistivity Measurements
Lorenzo Malavasi, Giorgio Flor
In this paper we report the determination of oxygen diffusion coefficient for optimally doped manganite thin films of La0.85Na0.15MnO3 (LNMO). The study was performed by means of i…