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Record W2049031087 · doi:10.1063/1.4799385

Optical evidence for donor behavior of Sb in ZnO nanowires

2013· article· en· W2049031087 on OpenAlexaff
E. Senthil Kumar, F. Mohammadbeigi, S. Alagha, Z. W. Deng, Ian Anderson, T. Wintschel, S. P. Watkins

Bibliographic record

VenueApplied Physics Letters · 2013
Typearticle
Languageen
FieldMaterials Science
TopicZnO doping and properties
Canadian institutionsSimon Fraser University
Fundersnot available
KeywordsExcitonPhotoluminescenceNanowireBinding energyDopantDopingMaterials scienceIonizationCondensed matter physicsShallow donorAtomic physicsChemistryOptoelectronicsPhysicsIon

Abstract

fetched live from OpenAlex

High-resolution photoluminescence (PL) experiments show that Sb doped ZnO nanowires exhibit shallow donor bound exciton (D0X) transitions at 3364.3 meV, which is shallower than the well-known In, Ga, Al, and H D0X transitions. The relative intensity of the Sb D0X transition scales with dopant concentration. Temperature dependent PL measurements show that the Sb D0X behaves like other D0X transitions with a thermal activation energy close to the spectroscopic binding energy. No evidence of an ionized donor bound exciton (D+X) is observed, consistent with the expectation from Haynes' rule that such a state would have a higher energy than the free exciton.

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: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.003
Threshold uncertainty score0.370

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
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 head0.049
GPT teacher head0.273
Teacher spread0.224 · 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

Citations19
Published2013
Admission routes1
Has abstractyes

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