Improved uniformity and threshold voltage in NbOx-ZrO2 selectors
Why this work is in the frame
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Bibliographic record
Abstract
Selectors with an excellent performance exhibit great potential to achieve a high integration density and contribute to the design of peripheral systems. However, the uniformity and stability need to be optimized. We demonstrate a high-performance ZrO2/NbOx threshold switching selector that exhibits a low-threshold voltage, ultra-high uniformity, and excellent voltage stability. The oxygen storage properties of the tunneling layer cause a thinner NbO2 region and optimize the performance, which is confirmed by thermal simulations and compositional analyses. The conduction mechanism of the OFF state is fit and verified to be Schottky emission. Compared with the reference device, the tunneling device has a smaller Schottky distance, which indicates a thinner NbO2 region. This work provides an effective method to improve the performance of the selector and understand its physical mechanism.
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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