Extended Wide Band Gap Amorphous ZnO Thin Films Deposited by Spray Pyrolysis
Bibliographic record
Abstract
In this work, the ZnO thin films were deposited on substrates heated in a temperature varied between 250 to 400℃ with a step of 50℃.The solution used for this deposition is composed of methanol and Zinc acetate.The XRD analysis confirmed that the deposited ZnO thin layers have a hexagonal wurtzite high quality with a preferential orientation (100) a-axis perpendicular to the substrate.The crystallite size is calculated using the Debye-Scherrer formula, the latter varies between 32-61 nm.Analysis by UV-Visible spectrophotometer is an important characteristic to assess the quality of the deposited layers.The prepared samples showed a high transmission which is higher than 82% in the UV-Vis region and also observed the presence of two phases leading to two different optical band gaps for substrate temperature at 250 and 300℃.The direct optical band gap energy calculated from the transmittance spectra was decreased with augmentation of substrate temperature.The minimum value of Urbach energy of ZnO thin film was achieved with 400℃.The measured contact angles are less than 90° for all the prepared samples confirming the hydrophilic character of all the films.The conductivity was ranged from 0.025 to 1.033 (Ωcm) -1 with increasing Ts.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".