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Record W2059674346 · doi:10.1063/1.1498908

Data analysis of nonlinear systems: Application to Au nanowires

2002· article· en· W2059674346 on OpenAlexafffund
Alex Wlasenko, Peter Grütter

Bibliographic record

VenueReview of Scientific Instruments · 2002
Typearticle
Languageen
FieldEngineering
TopicMolecular Junctions and Nanostructures
Canadian institutionsMcGill University
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsNonlinear systemConductanceBreak junctionNanowireNoise (video)Statistical physicsNanometreMaterials scienceAtomic unitsPhysicsNanotechnologyComputational physicsComputer scienceCondensed matter physicsOpticsQuantum mechanics

Abstract

fetched live from OpenAlex

A general scheme for analyzing nonlinear systems is presented, with measurements of the nonlinear I–V characteristics of a gold atomic contact with a mechanically controllable break junction used as an example. Simultaneous measurements of I(V) and ∂I/∂V(V) were analyzed to extract the unbiased conductance from the normalized functional form of I(V). This allows us to remove the error in the conductance measurements associated with fluctuations in the atomic structure of the system (about 5%). This demonstrates the potential of this technique to discover and subsequently understand new phenomena in nanometer scale systems, where measurements are often challenging due to noise, difficult-to-control quantities such as the atomic structure of a contact lead, and the lack of adequate, generally accepted theoretical descriptions. A discussion of the tradeoff between higher-order measurements and averaging artifacts due to nonlinearity is also included.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Other design · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.867
Threshold uncertainty score0.295

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.002
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.022
GPT teacher head0.259
Teacher spread0.237 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designOther design
Domainnot available
GenreEmpirical

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".

Quick stats

Citations2
Published2002
Admission routes2
Has abstractyes

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