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4 papers
Role of Point Defects on the Properties of Manganites
Lorenzo Malavasi, Maria Cristina Mozzati, Paolo Ghigna +3
La1-xCaxMnO3+delta and La1-xNaxMnO3+delta samples with well defined cation molecularity and oxygen contents are analyzed with XRPD, electrical conductivity, electron paramagnetic r…
Study of atomic motions in EuBCO using Moessbauer and EXAFS spectroscopies
F. Piazza, E. Abraham, L. Cianchi +4
We report temperature-dependent Moessbauer and EXAFS measurements of atomic mean square displacements on different samples of EuBCO. Our results indicate that the collective atomic…
Computer simulation approach to reliability and accuracy in EXAFS structural determinations
Paolo Ghigna, Melissa di Muri, Giorgio Spinolo
The frequency distribution of different parameters of an EXAFS spectrum can be directly sampled by analysing a population of simulated spectra produced by adding computer-generated…
X-ray magnetic circular dichroism spectra on the superparamagnetic transition metal-ion clusters [Mn12O12(CH3COO)16(H2O)24].2CH3COOH.4H2O (Mn12) and [Fe8O2(OH)12(tacn)6]Br8 9H2O (Fe8)
Paolo Ghigna, Andrea Campana, Alessandro Lascialfari +4
The first X-ray magnetic circular dichroism (XMCD) spectra on the title compounds are presented. In Mn12 the Mn(III) and Mn(IV) contributions are clearly apparent and evidence the…