Bibliographic record
Abstract
We present a comprehensive investigation of the electronic structure of SrTiO3 through experimental x-ray emission spectroscopy, x-ray absorption spectroscopy (XAS), and density functional theory calculations. Our results reveal that the electronic states near the band edges predominantly arise from hybridization between O 2p, Sr 4d, and Ti 3d orbitals. Comparison with binary constituents SrO and TiO2 shows that SrTiO3 exhibits intermediate electronic properties: many spectral features resemble those of the binary oxides, although distinct differences indicate that a simple additive description is only approximate. Core hole effects are minimal, with negligible exciting features presented in O K XAS, indicating efficient charge screening. Furthermore, our analysis of oxygen-deficient SrTiO3−x revealed robust electronic structures and high optical transparency, even with vacancy-induced shallow donor states and enhanced carrier concentrations. These findings highlight the resilience and defect-tolerance of SrTiO3, underscoring its promise for energy applications and oxide electronics.
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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".