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Title: Rechargeable solid state neutron detector and visible radiation indicator

Abstract

A radiation detection device, including: a support structure; and a chalcopyrite crystal coupled to the support structure; wherein, when the chalcopyrite crystal is exposed to radiation, a visible spectrum of the chalcopyrite crystal changes from an initial color to a modified color. The visible spectrum of the chalcopyrite crystal is changed back from the modified color to the initial color by annealing the chalcopyrite crystal at an elevated temperature below a melting point of the chalcopyrite crystal over time. The chalcopyrite crystal is optionally a .sup.6LiInSe.sub.2 crystal. The radiation is comprised of neutrons that decrease the .sup.6Li concentration of the chalcopyrite crystal via a .sup.6Li(n,.alpha.) reaction. The initial color is yellow and the modified color is one of orange and red. The annealing temperature is between about 450 degrees C. and about 650 degrees C. and the annealing time is between about 12 hrs and about 36 hrs.

Inventors:
; ;
Publication Date:
Research Org.:
CONSOLIDATED NUCLEAR SECURITY, LLC, Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1358244
Patent Number(s):
9,658,350
Application Number:
14/729,715
Assignee:
CONSOLIDATED NUCLEAR SECURITY, LLC
DOE Contract Number:  
NA0001942
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Jun 03
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Stowe, Ashley C., Wiggins, Brenden, and Burger, Arnold. Rechargeable solid state neutron detector and visible radiation indicator. United States: N. p., 2017. Web.
Stowe, Ashley C., Wiggins, Brenden, & Burger, Arnold. Rechargeable solid state neutron detector and visible radiation indicator. United States.
Stowe, Ashley C., Wiggins, Brenden, and Burger, Arnold. Tue . "Rechargeable solid state neutron detector and visible radiation indicator". United States. https://www.osti.gov/servlets/purl/1358244.
@article{osti_1358244,
title = {Rechargeable solid state neutron detector and visible radiation indicator},
author = {Stowe, Ashley C. and Wiggins, Brenden and Burger, Arnold},
abstractNote = {A radiation detection device, including: a support structure; and a chalcopyrite crystal coupled to the support structure; wherein, when the chalcopyrite crystal is exposed to radiation, a visible spectrum of the chalcopyrite crystal changes from an initial color to a modified color. The visible spectrum of the chalcopyrite crystal is changed back from the modified color to the initial color by annealing the chalcopyrite crystal at an elevated temperature below a melting point of the chalcopyrite crystal over time. The chalcopyrite crystal is optionally a .sup.6LiInSe.sub.2 crystal. The radiation is comprised of neutrons that decrease the .sup.6Li concentration of the chalcopyrite crystal via a .sup.6Li(n,.alpha.) reaction. The initial color is yellow and the modified color is one of orange and red. The annealing temperature is between about 450 degrees C. and about 650 degrees C. and the annealing time is between about 12 hrs and about 36 hrs.},
doi = {},
url = {https://www.osti.gov/biblio/1358244}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {5}
}

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