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Record W2037465096 · doi:10.1116/1.1464841

1/f noise of amorphous indium oxide

2002· article· en· W2037465096 on OpenAlexafffund
Robert E. Johanson, Safa Kasap

Bibliographic record

VenueJournal of Vacuum Science & Technology A Vacuum Surfaces and Films · 2002
Typearticle
Languageen
FieldEngineering
TopicThin-Film Transistor Technologies
Canadian institutionsUniversity of Saskatchewan
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsAmorphous solidOxygenNoise powerOxideNoise (video)ConductivityMaterials scienceIndiumAnalytical Chemistry (journal)MetalSpectral lineChemistryPhysicsMetallurgyCrystallographyPower (physics)ThermodynamicsPhysical chemistry

Abstract

fetched live from OpenAlex

The conductivity σ of amorphous In2O3−x depends sensitively on the oxygen concentration; σ increases with lower oxygen concentration (increasing x) and reversibly decreases as oxygen is added. Illumination with ultraviolet light releases oxygen and exposure to air reoxidizes causing σ to vary by many orders of magnitude. At a sufficiently large value of x, the material undergoes an insulator-metal transition. We measured the spectrum of conductance fluctuations in thin films of amorphous In2O3−x as a function of oxygen concentration. Between 5 Hz and 10 kHz, the spectra fit well to a 1/fα power law. For small x, the magnitude of the noise is unusually large, and α is near 1.0. As oxygen is removed the noise at first increases and then decreases by a factor of 500 as the material enters the metallic state. At the point where the noise begins to decrease, α jumps to about 1.12.

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)0.001
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: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.044
Threshold uncertainty score0.933

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0020.002
Science and technology studies0.0000.002
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.001
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 head0.009
GPT teacher head0.195
Teacher spread0.186 · 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 designBench or experimental
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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