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Materials Engineering of Alkali Halide and Rare Earth Halide Scintillators

Award Information
Agency: Department of Defense
Branch: Defense Threat Reduction Agency
Contract: HDTRA120C0039
Agency Tracking Number: T2-0398
Amount: $993,838.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: DTRA182-007
Solicitation Number: 18.2
Timeline
Solicitation Year: 2018
Award Year: 2020
Award Start Date (Proposal Award Date): 2020-04-15
Award End Date (Contract End Date): 2022-04-14
Small Business Information
44 Hunt Street
Watertown, MA 02472
United States
DUNS: 073804411
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Jaroslaw Glodo
 Director of Scintillation Detectors Group
 (617) 668-6986
 jglodo@rmdinc.com
Business Contact
 Kanai Shah
Phone: (617) 668-6801
Email: kshah@rmdinc.com
Research Institution
N/A
Abstract

Scintillators are the major components of radiation detection systems used in identification of Special Nuclear Materials. One of their key properties is the energy resolution (ER) that links directly to the isotope identification capabilities. Currently, the materials that provide high energy resolution (such as LaBr3:Ce) are expensive, while the low cost materials (such as NaI:Tl) provide poor energy resolution. The goal of this project is to utilize promising new pathway of material’s engineering to improve the ER of existing, lower cost materials and thereby increase the options available to systems manufacturers. It has been shown recently that many scintillation properties, including the ER, can be improved through the materials engineering approach of co-doping. Possibility of such improvements has been already demonstrated in rare earth tri-bromides and alkali halides. The objective is to pursue co-doping in selected materials and achieve 25% to 50% better resolution in crystals large enough for handheld instruments.

* Information listed above is at the time of submission. *

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