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Record W4405781570 · doi:10.54097/nznb6d52

Design and development Analysis of Deep UV photodetectors

2024· article· en· W4405781570 on OpenAlexaff
Zonghao Liu

Bibliographic record

VenueHighlights in Science Engineering and Technology · 2024
Typearticle
Languageen
FieldMaterials Science
TopicGa2O3 and related materials
Canadian institutionsUniversity of Waterloo
Fundersnot available
KeywordsPhotodetectorOptoelectronicsMaterials scienceUltravioletDetectorHeterojunctionResponsivityPhotoelectric effectSemiconductorPhotovoltaic systemOpticsElectrical engineeringPhysicsEngineering

Abstract

fetched live from OpenAlex

The development of deep-ultraviolet (DUV) photodetectors has gained significant attention due to their broad applications. With the increasing demand for high-performance detectors that can operate in harsh environments, research on optimizing their materials and structural design has become a critical focus. This paper introduces the basic working principle, structural composition, and performance evaluation criteria of deep-ultraviolet (DUV) photodetectors, focusing on the analysis of the optimization of materials and structure to improve the performance of detectors. Deep ultraviolet photodetectors are based on the photovoltaic effect of semiconductor materials to realize the conversion of photoelectric signals. It is shown that the photo responsiveness and stability of the photodetector can be effectively improved by introducing a composite film of the rare earth element cerium tungstate (Ce-WO3). In addition, the structural optimization of graphene-β-Ga2O3 heterojunction and n-Ga2O3/p-GaN heterojunction is employed to significantly improve the spectral selectivity, responsivity and long-time stability of the detector. This paper also explores the potential of these improvements for applications in the fields of UV communications, UV optoelectronic integrated circuits, environmental monitoring and military spaceflight.

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: none
Teacher disagreement score0.002
Threshold uncertainty score0.005

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 communication0.0010.000
Open science0.0010.000
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0020.001

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 head0.215
Teacher spread0.208 · 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

Citations1
Published2024
Admission routes1
Has abstractyes

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