Abstract
Abstract Transparent Lu 0.8 Sc 0.2 BO 3 :Ce single crystals doped with different Ce concentrations were grown by the Czochralski method. X-ray diffraction measurements showed that the as-grown crystals all possessed hexagonal structure with R 3 ¯ c space group. The more initial Ce ion doping content in Lu 0.8 Sc 0.2 BO 3 :Ce, the smaller effective segregation coefficient of Ce in crystal will be, confirmed by the inductively coupled plasma atomic emission spectrometry (ICP-AES) tests. The Ce 3+ 5d → 4f emission band and five excitation states were both observed in the photoluminescence spectra (PL). The increase of luminescence center in crystal or the concentration quenching exerts effects in the change of PL decay time, depending on the cerium concentration. The radioluminescence spectra showed that the Lu 0.8 Sc 0.2 BO 3 :Ce crystals had one broad emission band corresponding to the 5d → 4f transition of Ce 3+ ions, similar to their PL spectra. Consequently, we found that Lu 0.8 Sc 0.2 BO 3 :2 at.%Ce crystal achieved the maximum scintillation efficiency and for Lu 0.8 Sc 0.2 BO 3 :3 at.%Ce crystal, there might be already affected by a concentration quenching effect.
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.
