Response of 4H-SiC Detectors to Ionizing Particles
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Electrical Characterization of SiC Detectors
3.2. Response of 4H-SiC Detectors to Alpha Particles
3.3. Response of 4H-SiC Detectors to Gamma Radiation
4. Discussion
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Ideality Factor | Schottky Barrier Height (eV) | Series Resistance (Ω) | Free Carrier Concentration (cm−3) | |
---|---|---|---|---|---|
1 × 1 mm2 | Before | 1.010 | 1.61 | 45 | 4.4 × 1014 |
After | 1.015 | 1.58 | 48 | 4.4 × 1014 | |
2 × 2 mm2 | Before | 1.003 | 1.64 | 35 | 4.0 × 1014 |
After | 1.080 | 1.55 | 65 | 4.2 × 1014 | |
3 × 3 mm2 | Before | 1.017 | 1.60 | 28 | 4.7 × 1014 |
After | 1.027 | 1.55 | 28 | 4.7 × 1014 |
Sample | ||
---|---|---|
1 × 1 mm2 | 0.68 ± 0.01 | 9 × 10−15 |
2 × 2 mm2 | 0.69 ± 0.01 | 1 × 10−14 |
3 × 3 mm2 | 0.67 ± 0.01 | 6 × 10−15 |
Radionuclide | α Emmision Energy/ies with Yield, (keV) | β Emmision Energy/ies with Yield, (keV) | γ Emmision Energy/ies with Yyield, (keV) |
---|---|---|---|
Co-60 | - | 318 (100%), 1491 (<1%) | 1173 (100%), 1333 (100%) |
Cs-137 | - | 512 (95%), 1173 (5%) | 662 (85%), 32 (6%) |
Gd-148 | 3183 (100%) | - | - |
Th-228 1 | 5340, 5423, 5685, 6050, 6288, 6778 and 8784 | - | 84 (1%) |
Pu-238 | 5499 (71%), 5459 (29%) | - | 16 (12%) |
Pu-239 | 5156 (73%), 5143 (15%), 5105 (12%) | - | 16 (6%) |
Am-241 | 5486 (1%), 5443 (13%), 5388 (85%) | - | 60 (36%), 18 (18%), 14 (13%) |
Cm-244 | 5805 (76%), 5763 (24%), | - | 17 (11%) |
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Bernat, R.; Capan, I.; Bakrač, L.; Brodar, T.; Makino, T.; Ohshima, T.; Pastuović, Ž.; Sarbutt, A. Response of 4H-SiC Detectors to Ionizing Particles. Crystals 2021, 11, 10. https://doi.org/10.3390/cryst11010010
Bernat R, Capan I, Bakrač L, Brodar T, Makino T, Ohshima T, Pastuović Ž, Sarbutt A. Response of 4H-SiC Detectors to Ionizing Particles. Crystals. 2021; 11(1):10. https://doi.org/10.3390/cryst11010010
Chicago/Turabian StyleBernat, Robert, Ivana Capan, Luka Bakrač, Tomislav Brodar, Takahiro Makino, Takeshi Ohshima, Željko Pastuović, and Adam Sarbutt. 2021. "Response of 4H-SiC Detectors to Ionizing Particles" Crystals 11, no. 1: 10. https://doi.org/10.3390/cryst11010010