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Record W4410446616 · doi:10.18280/rcma.350218

Structural, Morphological and Optical Properties of (NiO)1-x(Co3O4)x Composite Thin Films Prepared by Chemical Spray Pyrolysis Technique

2025· article· fr· W4410446616 on OpenAlexvenueno aff
Huda R. Abdulridha Mohammed, Nahida B. Hasan, Mohammed Hadi Shinen

Bibliographic record

VenueRevue des composites et des matériaux avancés · 2025
Typearticle
Languagefr
FieldMaterials Science
TopicTransition Metal Oxide Nanomaterials
Canadian institutionsnot available
Fundersnot available
KeywordsSpray pyrolysisNon-blocking I/OMaterials scienceThin filmComposite numberPyrolysisChemical engineeringComposite materialNanotechnologyChemistryOrganic chemistryCatalysis

Abstract

fetched live from OpenAlex

The aim of the study is to produce thin films of (NiO)1-x(Co3O4)x using spray pyrolysis technique.Different volume ratios of NiO, Co3O4 were taken to form thin films with volume ratios of (0,25, 50, 75, and 100) %.The films were deposited on a glass substrate at a temperature of 400.Energy dispersive X-ray spectroscopy (EDX), the analysis revealed the prominent presence of the components Ni, O, and Co, X-ray diffraction (XRD), these films showed a crystal structure of the films was identified to be polycrystalline, with cubic structure for nickel oxide in the planes ( 111), ( 200), ( 202) and ( 222), field emission scanning electron microscopy (FESEM), It can be noted thin films have a common surface shape comprising many randomly placed chunks or aggregates of Co3O4 on the top surface of the films, and ultraviolet-visible (UV-Vis) spectrophotometers.Were these the analytical techniques used in the study to look into the composition, structure, morphology, and optical properties of the thin films.The films have polycrystalline cubic structures.The surface morphology of (NiO)1-x(Co3O4)x films show aggregates or masses of Co3O4 and NiO randomly distributed on the upper surface of the films with increasing Co3O4 concentration.The (NiO)1-x(Co3O4)x films have a surface morphology containing aggregates or clusters of Co3O4 and NiO randomly dispersed on the top surface.The optical properties and optical constants of the prepared (NiO)1-x(Co3O4)x films were investigated in the spectral range of 300-1100nm.In general, the absorbance increases with increasing Co3O4 concentration.The direct energy gap decreases with increasing Co3O4 concentration, and its value is within (3.75 to 2.1) eV.These results are good for sensor applications.

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies
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 score0.221
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0020.000
Bibliometrics0.0000.001
Science and technology studies0.0000.003
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.000
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 head0.039
GPT teacher head0.274
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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

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

Citations0
Published2025
Admission routes1
Has abstractyes

Explore more

Same venueRevue des composites et des matériaux avancésSame topicTransition Metal Oxide NanomaterialsFrench-language works237,207