Proton radiation effects on carrier transport in diamond radiation detectors
- Stony Brook Univ., NY (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- California Inst. of Technology (CalTech), Pasadena, CA (United States)
Diamond, a highly radiation-resistant material, is considered a nearly ideal material for radiation detection, particularly in high-energy physics. In this study, radiation damage from high-energy proton beams was induced in diamond crystals to determine exposure lifetime in detectors made from this material; the effects were investigated using non-destructive x-ray techniques and through the FLUKA simulation package. Two diamond detectors were irradiated by an 800 MeV proton beam at different fluence rates, and the real-time current response was recorded to observe degradation in the signal over time. It was determined that the proton fluence rate had a significant effect on the device degradation. The detector performance from the irradiated detectors was characterized using x-ray beam-induced current measurements, and the mechanism of proton radiation damage to diamond sensors, especially the radiation effects on carrier transport, was studied. The vacancies generated from proton irradiation were considered the major source of detector degradation by trapping holes and inducing an internal electric field. Simulation results from the FLUKA package revealed an uneven distribution of the radiation-induced vacancies along the beam path, and the corresponding detector signals calculated from the simulation results displayed a good match to the experimental results.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Institute of Biomedical Imaging and Bioengineering (NIBIB); USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- SC0012704; SC0015841; P30-EB-009998; 89233218CNA000001
- OSTI ID:
- 1625002
- Alternate ID(s):
- OSTI ID: 1596902; OSTI ID: 1657120
- Report Number(s):
- LA-UR-18-21893; TRN: US2200938
- Journal Information:
- AIP Advances, Vol. 10, Issue 2; ISSN 2158-3226
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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journal | December 2007 |
Charge Collection and Propagation in Diamond X-Ray Detectors
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journal | August 2010 |
Diamond particle detectors systems in high energy physics
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conference | July 2015 |
Radiation tolerance of CVD diamond detectors for pions and protons
|
journal | January 2002 |
Degradation of single crystal diamond detectors in swift heavy ion beams
|
journal | November 2016 |
Diamond Prototypes for the ATLAS SLHC Pixel Detector | text | January 2009 |
The FLUKA Code: Developments and Challenges for High Energy and Medical Applications
|
journal | June 2014 |
Status of diamond detectors and their high energy physics application
|
journal | December 2007 |
Single crystal diamond photodiode for soft X-ray radiometry
|
journal | July 2009 |
Diamond prototypes for the ATLAS SLHC pixel detector
|
journal | November 2010 |
Irradiation of thin diamond detectors and radiation hardness tests using MeV protons
|
journal | July 2013 |
The evaluation of radiation damage parameter for CVD diamond
|
journal | April 2016 |
Radiation tolerance of CVD diamond detectors for pions and protons
|
journal | January 2002 |
Proton irradiation of CVD diamond detectors for high-luminosity experiments at the LHC
|
journal | April 1999 |
Negative charging of mono-and divacancies in IIa diamonds by monochromatic illumination
|
journal | March 2001 |
In situ trap properties in CCDs: the donor level of the silicon divacancy
|
journal | January 2017 |
Development of diamond-based X-ray detection for high-flux beamline diagnostics
|
journal | September 2010 |
Simulation of beam induced lattice defects of diamond detectors using FLUKA | text | January 2013 |
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