| abstract |
The present disclosure describes a scintillation crystal having the general formula RE( 1−y )M y F 3X A 3( 1−x ), wherein RE includes; A is selected from Cl, Br or I; and M is an activator ion selected from the Ce 3+ , Pr 3+ or Eu 3+ ; x is greater than 0.01 mole% and strictly less than 100 mole%, and y is greater than 0.01 mole% and strictly less than 100 mole%; and wherein the at least one activator ion is further combined with ions from the group of Ho 3+ , Er 3+ , Tm 3+ , or Yb 3+ . |