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Record W4213319434 · doi:10.1109/jqe.2022.3151965

III-Nitride Nanostructures for High Efficiency Micro-LEDs and Ultraviolet Optoelectronics

2022· article· en· W4213319434 on OpenAlexfundno aff
Ayush Pandey, Zetian Mi

Bibliographic record

VenueIEEE Journal of Quantum Electronics · 2022
Typearticle
Languageen
FieldPhysics and Astronomy
TopicGaN-based semiconductor devices and materials
Canadian institutionsnot available
FundersArmy Research OfficeNatural Sciences and Engineering Research Council of CanadaNational Science Foundation
KeywordsLight-emitting diodeOptoelectronicsMaterials scienceDiodeNitrideUltravioletGallium nitrideDopantMolecular beam epitaxyLaserWide-bandgap semiconductorMicroscale chemistryNanostructureNanotechnologyOpticsEpitaxyDoping

Abstract

fetched live from OpenAlex

Microscale visible light emitting diodes (LEDs), as well as LEDs and laser diodes operating in the mid and deep ultraviolet (UV), have emerged as the frontier of semiconductor optoelectronics and are poised to revolutionize mobile displays, virtual/augmented reality, water purification, sterilization, and many other critical applications. In this article, we provide an overview of some recent developments of III-nitride nanostructures by molecular beam epitaxy and their applications in micro-LEDs and deep UV optoelectronics including LEDs and laser diodes. Due to the efficient surface strain relaxation, III-nitride nanostructures exhibit significantly reduced dislocation densities compared to their conventional quantum well counterparts. Studies have further shown that p-type Mg-dopant incorporation is much more efficient in nanostructures. These attributes have been exploited to realize high efficiency micro-LEDs operating in the deep visible (e.g., green and red) and to achieve relatively efficient LEDs operating in the UV-C and far UV-C spectra. The utilization of III-nitride nanostructures to realize electrically injected laser diodes with relatively low threshold is also presented.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.001
Threshold uncertainty score0.002

Distilled classifier scores by category (both heads)

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)0.0010.000

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 head0.008
GPT teacher head0.244
Teacher spread0.236 · 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 source (direct Gemma or distilled Codex), 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

Citations26
Published2022
Admission routes1
Has abstractyes

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