|About this Abstract
|Materials Science & Technology 2020
|Ceramic and Crystal Materials for Optics and Photonics
|Investigation Into Improving Scintillation Properties of Cesium Hafnium Chloride
|Cordell Delzer, Ketaki Joshi, Luis Stand, Nerine Cherepy, Steve A. Payne, Xianfei Wen, Jason Hayward
|On-Site Speaker (Planned)
Scintillators remain an important and large part of our toolbox for use in detection, identification, and localization of potential radiological or nuclear threats. For this application, users desire to have a high density, high-Z, high light yield, non-hygroscopic, and high energy resolution scintillator. One possible candidate is cesium hafnium chloride (CHC). This material shows the potential to outperform NaI(Tl) in all of said criteria. Due to its cubic structure allowing for fast growth, it has the potential to be cheaper than other high performance scintillators like strontium Iodide or lanthanum bromide. So far, CHC crystals of sizes larger than a cubic centimeter have still not shown performance equal to that of the best smaller crystals. In this work, we investigate ways to improve CHC performance as a larger volume scintillator, as well as CHC’s dual mode detection and potential self-calibration capabilities.