Persistence of In/Ga intermixing beyond the emission energy blueshift saturation of proton-implanted InAs/GaAs quantum dots
Bibliographic record
Abstract
Low temperature photoluminescence (PL) measurements are carried out to investigate the influence of the high extent of intermixing induced by proton implantation and subsequent annealing on the optical and electronic properties of the InAs/GaAs quantum dots (QDs). Several QDs structures were proton implanted at various doses (5×1011–1×1015 ions cm−2) with an acceleration energy of 18 keV and then annealed at 700 °C for 30 s. A saturation of the emission energy blueshift is found to occur for implantation doses higher than 5×1013 ions cm−2 accompanied with a continual decrease in the intersublevel spacing energy suggesting that the intermixing process persists beyond the emission energy blueshift saturation. An additional emission peak was found to appear in PL spectra for proton doses higher than 1×1014 ions cm−2 and attributed to the coalescence of closely spaced QDs. Strain assisted predominant lateral intermixing is proposed as the main factor responsible for the observed behavior.
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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) | 0.000 | 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 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".