Mechanical, electrical, linear, and nonlinear optical behavior of gamma-irradiated thiourea-doped lithium sulfate single crystals
Bibliographic record
Abstract
A thiourea-doped lithium sulfate single crystal was grown by the solution growth slow evaporation technique. The unit cell parameters of the grown crystal determined by X-ray diffraction (XRD) studies indicated that the crystal belongs to a monoclinic crystal system with noncentrosymmetric space group P2. Ultraviolet–visible spectral study signified that the crystal possesses an energy gap of 4.54 eV with 68% transparency in the visible region. The grown crystals were irradiated by Co-60 gamma radiation with different doses of 10 kGy, 30 kGy, and 50 kGy and the effects on powder XRD, dielectric properties, mechanical hardness, linear transmittance, and second harmonic generation (SHG) of the crystal were studied. It is observed that the crystallite size, energy gap, and transparency decreased, whereas the dielectric constant, AC conductivity, microhardness, and SHG efficiency increased with an increase in radiation dose.
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How this classification was reachedexpand
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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".