Influence of Low Energy\nBarrier Contact Resistance\nin Charge Transport Measurements of Gold Nanoparticle+Dithiol-Based\nSelf-Assembled Films
Bibliographic record
Abstract
Gold–thiol self-assembly is a widely employed\nstrategy for\nengineering electronic devices using molecules and other nanostructures\nas building blocks. However, device behavior is expected to be governed\nby both building block architecture and contact effects. In order\nto elucidate the role of the latter in such devices, we have studied\nconductance of <i>n</i>-butanedithiol-linked Au nanoparticle\n(NP) films using different types of electrode configurations, namely,\nfour-probe versus two-probe and break junctions before versus after\ndielectric break down of contact resistance. We find that contact\nresistance is governed by transport across a small barrier which can\ndominate device behavior when temperatures and resistances of the\nself-assembled devices are low. Accounting for such contact resistance\nreveals a more precise picture of device behavior in these regimes,\nincluding in the present system film properties near the onset of\nthe percolation insulator-to-metal transition and beyond.
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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 | 0.002 |
| 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) | 0.017 | 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".