Tritiation of Semiconductor Materials for Micropower Application
Why this work is in the frame
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Bibliographic record
Abstract
We report on a simple and versatile method for the integration of tritium in semiconductor materials. A variety of semiconductor materials are exposed to tritium (T2) gas at pressures of up to 120 bar and temperatures of up to 250 °C. Tritiated materials include hydrogenated amorphous silicon (a-Si:H), crystalline silicon (c-Si), silica and carbon nanotubes (CNT). Deep ultra-violet laser irradiation was used to lock tritium in silica films. Effusion measurements show the presence of stable tritium in silicon, silica and CNTs up to 400 °C. IR absorption spectra show a Si-T stretching mode at 1200 cm-1 indicating the formation of stable Si-T bonds in a-Si:H. SIMS measurements show that the penetration depth of tritium in a-Si:H and c-Si is 150 and 10 nm, respectively; the concentration of tritium locked in a-Si:H and c-Si is 20 and 4 at.%, respectively. In tritiated silica, 248-nm UV laser irradiation locks the permeated tritium at stable chemical bonding sites in the silica lattice. Thermal effusion measurement shows that 0.5 wt.% tritium can be stably immobilized in CNTs. The application of tritiated silicon as a cold electron source is demonstrated.
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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 | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.001 |
| 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