Structural deformations and current oscillations in armchair-carbon nanotube cross devices: a theoretical study
Bibliographic record
Abstract
A carbon nanotube (CNT) cross is a structure consisting of two CNTs with one draped over the other at an angle. Because of the localized mechanical deformation induced at the intersection point, the electronic properties of the nanotubes in a cross could vary significantly compared with those of intact nanotubes, potentially leading to the formation of nanoscale quantum dots. Using classical molecular dynamics, we determined the relaxed nanotube structures and the induced mechanical deformations in a CNT cross. We found that the final relaxed shape of the cross structure is relatively insensitive to the starting shape. We then calculated the electronic transport properties of this device using a first-principles, non-equilibrium Green's function approach. We obtained current oscillations that can be attributed to the formation of a nanoscale quantum dot in the top nanotube at the intersection region.
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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".