Method of creating structure for particle detection in time projection chambers and photodetectors
Abstract
Time projection chambers are useful for high energy particle physics, nuclear physics, and astronomy. To enhance the particle detection efficiency and performance of the projection chambers functional bilayer thin film coatings based on the atomic layer deposition method are utilized. Coating material selection is based on Auger neutralization process ion induced electron emission from metallic surfaces (e.g., Mo or W) combined with a high secondary electron emission coefficient. Application of high secondary electron emission materials (e.g., MgO and CaF2) enhances the multiplication of these emitted electrons from ion induction processes. Therefore, using suitable bilayer coatings the overall TPC signal detection efficiency can be increased.
- Inventors:
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1924987
- Patent Number(s):
- 11414756
- Application Number:
- 17/038,944
- Assignee:
- UChicago Argonne, LLC (Chicago, IL)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
- DOE Contract Number:
- AC02-06CH11357
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 09/30/2020
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Elam, Jeffrey W., Mane, Anil U., and Magill, Stephen. Method of creating structure for particle detection in time projection chambers and photodetectors. United States: N. p., 2022.
Web.
Elam, Jeffrey W., Mane, Anil U., & Magill, Stephen. Method of creating structure for particle detection in time projection chambers and photodetectors. United States.
Elam, Jeffrey W., Mane, Anil U., and Magill, Stephen. Tue .
"Method of creating structure for particle detection in time projection chambers and photodetectors". United States. https://www.osti.gov/servlets/purl/1924987.
@article{osti_1924987,
title = {Method of creating structure for particle detection in time projection chambers and photodetectors},
author = {Elam, Jeffrey W. and Mane, Anil U. and Magill, Stephen},
abstractNote = {Time projection chambers are useful for high energy particle physics, nuclear physics, and astronomy. To enhance the particle detection efficiency and performance of the projection chambers functional bilayer thin film coatings based on the atomic layer deposition method are utilized. Coating material selection is based on Auger neutralization process ion induced electron emission from metallic surfaces (e.g., Mo or W) combined with a high secondary electron emission coefficient. Application of high secondary electron emission materials (e.g., MgO and CaF2) enhances the multiplication of these emitted electrons from ion induction processes. Therefore, using suitable bilayer coatings the overall TPC signal detection efficiency can be increased.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {8}
}
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