(Invited) Probing Semiconductor Heterostructures from the Atomic to the Micrometer Scale
Why this work is in the frame
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Bibliographic record
Abstract
Atom Probe Tomography (APT) has significantly advanced our ability to characterize buried interfaces and to map the three-dimensional distribution of atomic constituents like dopants in modern day electronic nano-devices. This precise mapping of the chemical composition and buried interfaces is also highly sought-after in the implementation and optimization of a variety of emerging photonic devices with dimensions of up to several micrometers as opposed to the few ten nanometers of modern day transistors. Herein, we show that APT is poised to contribute to the development of these devices by adapting the Focused Ion beam based preparation of APT specimen, typically used for preparing semiconductor samples. Using in-situ grown nanowires as sacrificial masks during specimen preparation, we demonstrate APT analyses of micrometer-sized volumes of semiconductor heterostructures.
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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 | 0.000 | 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 it