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Record W1982458101 · doi:10.1116/1.1676417

Optical and electrical properties of sputtered vanadium oxide films

2004· article· en· W1982458101 on OpenAlexaff
Fengyuan Gan, P. Laou

Bibliographic record

VenueJournal of Vacuum Science & Technology A Vacuum Surfaces and Films · 2004
Typearticle
Languageen
FieldMaterials Science
TopicTransition Metal Oxide Nanomaterials
Canadian institutionsDefence Research and Development Canada
Fundersnot available
KeywordsVanadium oxideMaterials scienceOxideVanadiumSputteringThin filmSputter depositionMetalTransition metalAnalytical Chemistry (journal)Inorganic chemistryNanotechnologyMetallurgyChemistry

Abstract

fetched live from OpenAlex

Thin films of vanadium oxide with thickness of 0.1 to 0.2 μm were deposited on Si3N4/Si substrate by reactive rf magnetron sputtering. The oxide films were sputtered using a vanadium metal target in various ratios of Ar and O2 gases. The O2 content in the mixed atmosphere has a significant influence on the metal-insulator transition characteristics of the oxide films. The oxide film deposited in an Ar/O2 ratio of 98/2 exhibited high optical transmission of 70% to 80% in wavelength from 2 to 10 μm in insulating state while very low transmission of less than 5% in metallic state. Films prepared with higher O2 concentration showed no metal-insulator transition. In low O2 concentration, films showed characteristics of having both a broader transition region spanning over 30 °C and a lowered transition temperature which are similar to those of doped vanadium oxide films.

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)0.002
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 score0.039
Threshold uncertainty score0.903

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.001
Science and technology studies0.0000.002
Scholarly communication0.0000.001
Open science0.0010.000
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 head0.012
GPT teacher head0.227
Teacher spread0.215 · 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

Citations24
Published2004
Admission routes1
Has abstractyes

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