Aligned Heterostructures of Single-Crystalline Tin Nanowires Encapsulated in Amorphous Carbon Nanotubes
Bibliographic record
Abstract
High-density heterostructures of amorphous carbon nanotubes encapsulated single-crystalline tin nanowires (a-CNT−Sn) have successfully been synthesized by using the simple thermal evaporation of solid tin powder (Sn) and introduction of ethylene gas (C 2 H 4 ). A commercially widely used porous carbon paper, consisting of micrographitic fibers, was employed as growing substrate. The morphology, composition, and structure of the synthesized nano-heterostructures were examined using scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy-dispersive X-ray (EDX) analysis. It was found that the resultant heterostructures are uniformly distributed on graphitic fibers and that these well-defined tin (Sn) nanowires, up to 10 μm in length, are completely covered with amorphous carbon walls of about 30 nm thickness. The hollow features at the tips of such heterostructures were revealed. A growth mechanism has been proposed to explain the growth processes for such novel heterostructures. The synthesis method reported here can be employed to fabricate oriented nanotube arrays filled with other nanowires on a variety of substrates at large scale.
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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 | 0.001 | 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 | 0.001 | 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".