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Photonic crystal scintillators and methods of manufacture

Patent ·
OSTI ID:1209348

Photonic crystal scintillators and their methods of manufacture are provided. Exemplary methods of manufacture include using a highly-ordered porous anodic alumina membrane as a pattern transfer mask for either the etching of underlying material or for the deposition of additional material onto the surface of a scintillator. Exemplary detectors utilizing such photonic crystal scintillators are also provided.

Research Organization:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC09-08SR22470
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC)
Patent Number(s):
9,103,921
Application Number:
14/035,150
OSTI ID:
1209348
Country of Publication:
United States
Language:
English

References (25)

Perfect two-dimensional porous alumina photonic crystals with duplex oxide layers journal January 2003
100 nm period silicon antireflection structures fabricated using a porous alumina membrane mask journal January 2001
Improved light extraction efficiency of cerium-doped lutetium-yttrium oxyorthosilicate scintillator by monolayers of periodic arrays of polystyrene spheres journal February 2013
New Approaches to Improve Timing Resolution in Scintillators journal October 2012
The formation of nanoporous membranes from anodically oxidized aluminium and their application to Li rechargeable batteries journal May 2001
Corking Nano Test Tubes by Chemical Self-Assembly journal April 2006
Photonic crystals: A novel approach to enhance the light output of scintillation based detectors
  • Knapitsch, Arno; Auffray, Etiennette; Fabjan, C. W.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 628, Issue 1, p. 385-388 https://doi.org/10.1016/j.nima.2010.07.007
journal February 2011
Enhancement of PL intensity by photonic crystal fabricated on GaAs substrate using nanoporous alumina mask conference October 2006
Probing the Concepts of Photonic Crystals on Scintillating Materials journal June 2008
Giant light extraction enhancement of medical imaging scintillation materials using biologically inspired integrated nanostructures journal January 2012
Improving Light Extraction From Heavy Inorganic Scintillators by Photonic Crystals journal October 2010
GaAs and InP nano-hole arrays fabricated by reactive beam etching using highly ordered alumina membranes conference January 1998
Room-temperature deposition of indium tin oxide thin films with plasma ion-assisted evaporation journal November 1998
The use of Reactive Ion Etching for obtaining “free” silica nano test tubes journal October 2010
Three-dimensional alumina nanotemplate journal April 2006
GaN-based light-emitting diodes with photonic crystals structures fabricated by porous anodic alumina template journal January 2011
Uranium detection using small scintillators in a maritime environment journal May 2008
Neutron Detection With Gamma-Ray Spectrometers for Border Security Applications journal August 2010
Results of Photonic Crystal Enhanced Light Extraction on Heavy Inorganic Scintillators journal October 2012
Factors Influencing Time Resolution of Scintillators and Ways to Improve Them journal October 2010
Fabrication of ZnTe Nanohole Arrays by Reactive Ion Etching Using Anodic Alumina Templates journal February 2002
Preparation of photonic crystals made of air pores in anodic alumina journal August 2007
Molecular Imaging Challenges With PET journal June 2010
Effect of a nanoporous surface on photoluminescence from nanopatterned GaN thin films fabricated by anodic alumina templates journal February 2010
Reactive ion etching of indium tin oxide by SiCl4-based plasmas—substrate temperature effect journal December 1998

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