Engineered C₁₂₀ Fullertube/MXene Heterostructures for Tunable Schottky–Mott Junctions
Bibliographic record
Abstract
Achieving perfect metal–semiconductor (MS) junctions in microelectronics has remained elusive due to Fermi-level pinning and MS interfacial disorder. Here, we report the experimental understanding of the C₁₂₀/Ti₃C₂Tₓ MXene van der Waals junction. Structural and spectroscopic analyses reveal atomically intelligible C₁₂₀/MXene interfaces characterized by seamless lattice continuity and chemically inert van der Waals (vdW) contact formation. Density functional theory calculations reveal strong anisotropic polarizability-controlled band alignment, suppressed metal-induced gap states, and charge redistribution across the 2D heterojunction, validating Schottky–Mott-limited transport with minimal Fermi-level pinning. Temperature-dependent I–V and gate-modulated transport studies further validate the Schottky barrier heights and ideality factors, which vary significantly with the choice of contact metal, thereby validating the restored barrier tunability through metal work-function. This dual functionality highlights C₁₂₀ fullertubes as versatile molecular building blocks for next-generation nanoelectronics and energy devices, proposing a scalable, damage-free integration strategy for high-performance vdW heterojunctions.
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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) | 0.002 | 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".