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Record W1987928767 · doi:10.1103/physrevb.61.8262

Effect of oxygen on transient photoconductivity in thin-film<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Nb</mml:mi></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Ti</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mi>−</mml:mi><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>

2000· article· lv· W1987928767 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenuePhysical review. B, Condensed matter · 2000
Typearticle
Languagelv
FieldMaterials Science
TopicElectronic and Structural Properties of Oxides
Canadian institutionsUniversity of Guelph
Fundersnot available
KeywordsArgonPhotoconductivityElectron captureMaterials scienceRelaxation (psychology)OxygenElectronAnalytical Chemistry (journal)PhysicsAtomic physicsCondensed matter physicsChemistryNuclear physicsQuantum mechanicsOptoelectronics

Abstract

fetched live from OpenAlex

Transient photoconductivity in thin-film ${\mathrm{Nb}}_{x}{\mathrm{Ti}}_{1\ensuremath{-}x}{\mathrm{O}}_{2}$ and ${\mathrm{TiO}}_{2}$ was studied as a function of temperature, light intensity, illumination time, and ambient composition in a time range of ${10}^{\ensuremath{-}2}--{10}^{7}\mathrm{s}.$ Both excitation and relaxation transients were slow and followed a nonexponential rate law. A conductivity model predominantly involving hole capture by ${\mathrm{O}}_{2}^{\mathrm{\ensuremath{-}}}$ at the surface is proposed. It was possible to use a Laplace transform method to determine the free electron density and the photoinduced change in the surface barrier caused by hole capture at the surface. In argon, both the oxygen adsorption rate and the rate at which excess electrons reach the surface may contribute to the decay whereas only the latter may be important in air.

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.

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)0.010
metaresearch head score (Gemma)0.007
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Scholarly communication, Open science, Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesMeta-epidemiology (narrow), Science and technology studies, Research integrity, Insufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.977
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0100.007
Meta-epidemiology (narrow)0.0040.009
Meta-epidemiology (broad)0.0020.009
Bibliometrics0.0030.006
Science and technology studies0.0060.009
Scholarly communication0.0070.008
Open science0.0110.008
Research integrity0.0090.008
Insufficient payload (model declined to judge)0.9890.012

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 head0.015
GPT teacher head0.251
Teacher spread0.235 · 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