Synthesis and characterization of aluminum-yttrium perovskite powder using a co-precipitation technique
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Bibliographic record
Abstract
In this research the solid solution YAlO3 perovskite powder (YAP) was successfully synthesized by co-precipitation route. Co-precipitation synthesis is simple and inexpensive method which capable to produced more homogeneous powders.
 In the first step, effect of various mineralizers on YAlO3 formation has been investigated, which resulted in decrease of the formation temperature down to 1200 °C. In the next step, effect of the pH in synthesis procedure and also calcination time and temperature has been studied. Later, the optimum condition for synthesis of single-phase YAP was determined.
 The obtained powders have been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) as well as ICP analysis.
 Results show that the most appropriate mineralizer system for the formation of YAlO3 perovskite was NaF:MgF2:Li2CO3 (3:2:1 by weight). Additionally, orthorhombic YAP powders were successfully synthesized in pH=9. Calcination at 1200°C for 4 h was the best condition for preparation single phase Aluminum-Yttrium perovskite crystals.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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 it