Radioluminescence and thermally-stimulated luminescence of SiO<sub>2</sub> glasses prepared by spark plasma sintering
Bibliographic record
Abstract
Bulk SiO2 glasses have been prepared by spark plasma sintering and characterized towards dosimeter applications. The temperature dependence studies of radioluminescence suggest that there are two possible groups of luminescent centres, which show emissions at 385 and 511 nm. At room temperature, the former emission is predominant while the latter emission significantly increases at low temperatures, especially below 200 K. The origins of these emissions are attributed to a pair of silylene centres and dioxasilirane and silylene, respectively. After irradiating the sample, thermally-stimulated luminescence (TSL) is observed around 160°C and above 300°C, in which the emission is mainly the 385 nm component. The TSL intensity is linearly proportional to the radiation dose delivered, and a linear dynamic range has been demonstrated over 100–104 mGy.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".