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Record W3028896243 · doi:10.1002/pssb.202000122

Synthesis of New Nitride Alloys with Mg by Plasma‐Assisted Molecular Beam Epitaxy

2020· article· en· W3028896243 on OpenAlexaff
Iulian Gherasoiu, K. M. Yu, Huseyin Ekinci, Bo Cui, Michael E. Hawkridge, V. Kuryatkov, Matthew Gaddy, S. A. Nikishin, Władek Walukiewicz

Bibliographic record

Venuephysica status solidi (b) · 2020
Typearticle
Languageen
FieldEngineering
TopicMetal and Thin Film Mechanics
Canadian institutionsUniversity of Waterloo
FundersDefense Advanced Research Projects AgencyCity University of Hong KongU.S. Department of Education
KeywordsMaterials scienceMolecular beam epitaxyNitrideTernary operationFabricationBand gapOptoelectronicsCharacterization (materials science)Wide-bandgap semiconductorAmorphous solidContext (archaeology)CrystallinityChemical vapor depositionSemiconductorNanotechnologyEpitaxyComposite materialChemistryCrystallography

Abstract

fetched live from OpenAlex

A great deal of work is currently devoted to the development of new semiconductor alloys that can expand the range of material properties and device applications. Although group‐III nitride alloys are attractive materials owing to the wide range of tunable direct bandgaps and other suitable properties, the material choices are limited to only a few binary and ternary alloys. This situation is due in part to the limitations of the conventional deposition methods, such as chemical vapor deposition, requiring high temperature and high pressure to synthesize a wider range of metastable alloys. In this context, the synthesis of previously unreported quaternary nitride alloys including Mg—(InGaMg)N—is presented. These alloys, with a tunable bandgap and good crystallinity, extend the group of the materials that may be suitable for the fabrication of optoelectronic devices. The method is based on the conventional plasma‐assisted molecular beam epitaxy (PA‐MBE), using a flux‐modulation technique to enable the incorporation of all elements reaching the growth surface. In addition to detailed experimental characterization of structural and optical properties of the Mg containing nitride alloys, computations on their electronic band structures are also carried out.

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 score0.017
Threshold uncertainty score0.945

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 head0.013
GPT teacher head0.195
Teacher spread0.182 · 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

Citations2
Published2020
Admission routes1
Has abstractyes

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