Ultrafast Microwave Hydrothermal Synthesis of <scp> <scp>BiFeO</scp> </scp> <sub>3</sub> Nanoplates
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Bibliographic record
Abstract
We report the synthesis of {100} c facets exposed single‐crystalline BiFeO 3 ( BFO ) nanoplates, with thickness ranging from 20 to 160 nm and lateral size of submicrometers, via a simple and very rapid (1–2 min) microwave‐assisted hydrothermal approach. We show that the microwave treatment gives comparable improvement in crystallinity of BFO nanocrystals with respect to traditional hydrothermal processes while requiring significantly less time and energy. In addition, we show that microwave radiation power, reaction time, and alkali concentration play important roles in the crystallinity and morphology of the products. We discuss a possible formation mechanism of the nanoplates based on our experimental results. Additionally, the BFO nanoplates exhibit weak ferromagnetic properties at room temperature, which we attribute to the size‐confinement effect on magnetic ordering. The present microwave hydrothermal method has great potential in large‐scale fabrication of BFO nanomaterials as well as other composite functional materials due to significantly reduced time and energy.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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