Channel Material Dependence of Wave Function Deformation Scattering in Ultrascaled FinFETs
Bibliographic record
Abstract
We investigate the channel material dependence of wave function deformation scattering (WDS), a phenomenon that occurs when the shape of the carrier wave function is forced to change as the channel is traversed. Line-edge roughness (LER) is one nonideality that can induce WDS in confined device geometries. We perform nonequilibrium Green's function simulations of ensembles of ultrascaled Fin Field Effect Transistors that exhibit correlated LER to determine the resulting on-current distributions. By considering various channel materials, we demonstrate two trends. First, WDS has a greater impact when the transport effective mass of the channel material is low, due to stronger coupling between conducting subbands. Second, WDS has a greater impact when the confinement effective mass of the channel material is high, due to the presence of more conducting subbands, which further enhances coupling.
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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 | 0.001 |
| 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".