Displacement damages created by γγγγ particles radiation in n type GaAs
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Bibliographic record
Abstract
In this work, we present a study of the effect of γ particles radiation in n type gallium arsenide (GaAs) doped with silicon (SiGa ). For this, we have irradiated samples of GaAs doped with 1015cm-3 and 1016cm-3 of SiGa at different fluencies of γ radiation. We have used photoluminescence (PL) measurement at 8.8K to identify defects induced by γ radiation in these samples. We found that this type of radiation induces the gallium vacancy VGa in GaAs and causes the transfer of the silicone impurity from Ga site to As site. These two defects are displacement damages created by γ radiation and are the same of displacement damages created by the other type of radiation (charged particles and neutral particles). The difference between the effect of particles is the introduction rate b of the defect. Then, we found that b or γ particles is ten times weaker than 7MeV electron particles. γ ray are photons, so they can’t interact with GaAs atoms to product displacement damages by Rutherford diffusion (charged particles) or diffusion from hard spheres model (neutral particles). We suggest that recoil electrons produced in GaAs by photoelectric effect and Compton effect are responsible to the creation of these displacement damages. Indeed, these electrons have enough energy (~ 1 MeV) to product the same damages.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it