Nanoscale Electrical and Structural Characterization of Gold/Alkyl Monolayer/Silicon Diode Junctions
Bibliographic record
Abstract
The effect of molecular modification on gold−silicon diode junctions has been investigated by electrical and structural measurements at both the macroscale and the nanoscale levels. Diode junctions prepared with Si−C bonded, organic monolayers on silicon and thermally evaporated gold contacts yield identical macroscale barrier heights and ideality factors, irrespective of the alkyl chain length and end group of the molecular layer. Electrical and structural measurements on the nanoscale level, using ballistic emission electron microscopy (BEEM) and cross-sectional transmission electron microscopy (TEM), indicate laterally uniform penetration of deposited gold atoms into n -alkyl monolayers (20 nm resolution), whereas inhibited penetration occurs for thiol-terminated monolayers on silicon. Average BEEM transmission is reduced via scattering associated with the presence of an organic monolayer, with the largest effects observed for the thiol-terminated system.
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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".