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Title: Mixed crystal organic scintillators

Abstract

A mixed organic crystal according to one embodiment includes a single mixed crystal having two compounds with different bandgap energies, the organic crystal having a physical property of exhibiting a signal response signature for neutrons from a radioactive source, wherein the signal response signature does not include a significantly-delayed luminescence characteristic of neutrons interacting with the organic crystal relative to a luminescence characteristic of gamma rays interacting with the organic crystal. According to one embodiment, an organic crystal includes bibenzyl and stilbene or a stilbene derivative, the organic crystal having a physical property of exhibiting a signal response signature for neutrons from a radioactive source.

Inventors:
; ; ; ; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1159642
Patent Number(s):
8835865
Application Number:
13/670,778
Assignee:
Lawrence Livermore National Security, LLC. (Livermore, CA)
Patent Classifications (CPCs):
C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
G - PHYSICS G01 - MEASURING G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Zaitseva, Natalia P, Carman, M Leslie, Glenn, Andrew M, Hamel, Sebastien, Hatarik, Robert, Payne, Stephen A, and Stoeffl, Wolfgang. Mixed crystal organic scintillators. United States: N. p., 2014. Web.
Zaitseva, Natalia P, Carman, M Leslie, Glenn, Andrew M, Hamel, Sebastien, Hatarik, Robert, Payne, Stephen A, & Stoeffl, Wolfgang. Mixed crystal organic scintillators. United States.
Zaitseva, Natalia P, Carman, M Leslie, Glenn, Andrew M, Hamel, Sebastien, Hatarik, Robert, Payne, Stephen A, and Stoeffl, Wolfgang. Tue . "Mixed crystal organic scintillators". United States. https://www.osti.gov/servlets/purl/1159642.
@article{osti_1159642,
title = {Mixed crystal organic scintillators},
author = {Zaitseva, Natalia P and Carman, M Leslie and Glenn, Andrew M and Hamel, Sebastien and Hatarik, Robert and Payne, Stephen A and Stoeffl, Wolfgang},
abstractNote = {A mixed organic crystal according to one embodiment includes a single mixed crystal having two compounds with different bandgap energies, the organic crystal having a physical property of exhibiting a signal response signature for neutrons from a radioactive source, wherein the signal response signature does not include a significantly-delayed luminescence characteristic of neutrons interacting with the organic crystal relative to a luminescence characteristic of gamma rays interacting with the organic crystal. According to one embodiment, an organic crystal includes bibenzyl and stilbene or a stilbene derivative, the organic crystal having a physical property of exhibiting a signal response signature for neutrons from a radioactive source.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {9}
}

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Works referenced in this record:

Measurements of Scintillation Lifetimes
journal, August 1953


Scintillation Decay Times of Organic Crystals
journal, March 1956


Pulse Shape Discrimination in Impure and Mixed Single-Crystal Organic Scintillators
journal, December 2011


Neutron detection with single crystal organic scintillators
conference, September 2009