Defects in electron irradiated boron-doped diamonds investigated by positron annihilation and optical absorption
Why this work is in the frame
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Bibliographic record
Abstract
Synthetic boron-doped single-crystal diamonds were irradiated by a pulsed electron beam at 2.2 MeV to various accumulated fluences from 0.7 × 10(18) to 10 × 10(18) e(-) cm(-2). The samples were then subjected to isochronal annealing up to 1260 °C and characterized by positron annihilation (PA) and optical absorption (OA) spectroscopies after each annealing step. PA combined with in situ monochromatic illumination gave an estimate for the positive/neutral energy level in the band gap for the monovacancy as ∼0.6 eV above the valence band-edge. From the analysis of PA and OA results, a dominant OA line at 0.552 eV was associated with a neutral boron-interstitial complex, and the annealing temperature of the positive monovacancy was deduced as ∼700 °C.
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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