US Patent 7655919 Cesium and lithium-containing quaternary compound scintillators

The present invention relates to quaternary compound scintillators and related devices and methods. The scintillators may include, for example, a quaternary compound, the quaternary compound having a first position, a second position, a third position, a fourth position; wherein the first position is Cs; the second position is Li; the third position is La or Lu; and the fourth position is Cl, Br, or I. In certain embodiments, the scintillator composition can further include a single dopant or mixture of dopants.