Preparation and characterization of Fe_3 O_4 @ TiO_2 core-shell magnetic nanomaterials
Why this work is in the frame
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Bibliographic record
Abstract
Core-shell magnetic Fe 3 O 4 @ TiO 2 nanomaterials with different morphologies have been obtained by combining the sol-gel method and solvothermal method. The monodisperse Fe 3 O 4 core was synthesized by solvothermal reaction,and the TiO 2 shell was derived using solvothermal reaction and sol-gel method with tetrabutyl titanate as the precursor. The morphology,structure and magnetic properties of Fe 3 O 4 @ TiO 2 nanomaterials were characterized by scanning electron microscopy( SEM),transmission electron microscopy( TEM),X-ray diffraction( XRD),thermogravimetric analysis( TGA) and vibrating sample magnetometer( VSM). The results showed that Fe 3 O 4 nanoparticles were coated by TiO 2, and Fe 3 O 4 @ TiO 2 exhibited high degree of crystallinity,regular crystalline morphologies and excellent magnetism. These integrated features would make the Fe 3 O 4 @ TiO 2 materials have attractive applications in areas of environmental purification,biomedical field,energy conversion and storage. In addition,the formation mechanism of TiO 2 shell was also proposed.
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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) | 0.001 | 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) | 0.003 | 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