Abstract
Ionic thermal currents (ITC) and electron paramagnetic resonance (EPR) experiments were performed to identify the different types of defects existing in Ca 1− x Gd x F 2+ x solid solutions, with x = 0.05% and 0.1%. The results show the presence of cubic and tetragonal centers together with cluster-associated relaxation peaks. Successive ITC runs were performed in order to duplicate recent results in which the ITC peaks were reported to change significantly in intensity, position and even in number after the application of an electric field. The results reported here show that there are no changes after successive ITC runs, neither in the ITC nor in the EPR spectra obtained from these crystals. Moreover, the absence of trigonal centers in these oxygen-free crystals is once more confirmed and the equilibration among the two dipolar types ascribed to the influence of the polarizing field is thus discarded in the CaF 2:Gd 3+ crystals.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
