New scintillator compositions

W. M. Higgins; E. Van Loef; J. Glodo; A. Churilov; K. S. Shah

doi:10.1117/12.740834

18 October 2007 New scintillator compositions

W. M. Higgins, E. Van Loef, J. Glodo, A. Churilov, K. S. Shah

Proceedings Volume 6707, Penetrating Radiation Systems and Applications VIII; 670704 (2007) https://doi.org/10.1117/12.740834
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

Single crystals of LaBr₃:1% Pr and CeBr₃:1% Pr have been grown by the vertical Bridgman technique. Crystals of these scintillators can be used in the fabrication of gamma-ray spectrometers. The LaBr₃:1% Pr and CeBr₃:1% Pr crystals we have grown had light outputs of ~73,000 and ~50,000 photons/MeV, respectively, and principal decay constants of 11μs and 26 ns, respectively. There were a number of emission peaks observed for these compounds. The emission wavelength range for the LaBr₃:1% Pr and CeBr₃:1% Pr scintillators were from about 400 to 800 nm. The CeBr₃:1% Pr scintillator had a dominating emission peak due to CeBr₃ at 390 nm. These two materials had energy resolutions of 9 and 7% FWHM, respectively, for 662 keV photons at room temperature. In this paper, we will report on our results to date for vertical Bridgman crystal growth and characterization of Pr-doped LaBr₃ and Pr-doped CeBr₃ crystals. We will also describe the special handling and processing procedures developed for these scintillator compositions.

Citation Download Citation

W. M. Higgins, E. Van Loef, J. Glodo, A. Churilov, and K. S. Shah "New scintillator compositions", Proc. SPIE 6707, Penetrating Radiation Systems and Applications VIII, 670704 (18 October 2007); https://doi.org/10.1117/12.740834

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available