Speaker
Dr
Roberto Alonso
(IFLP-UNLP)
Description
Text
Summary
In this work we present a study of the phase transitions by means of the variations of the Electric Field Gradient (EFG) as a function of temperature at ambient pressure on powder samples of PbTi1-xHfxO3 for x= 0.25, 0.50 and 0.75. For the EFG determination Perturbed Angular Correlation Spectroscopy (TDPAC) was employed. 181Ta were used as probes atoms, which were obtained by neutron capture activation of 180Hf naturally present in the sample. The obtained experimental results are also compared with previous ones obtained by Impedance Spectroscopy (IS).
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Primary author
Dr
Roberto Alonso
(IFLP-UNLP)
Co-author
Dr
Alberto Lopez Garcia
(IFLP-UNLP)
