Structural and magnetic characterization of Ho<sub>3</sub>SbO<sub>7</sub> and Dy<sub>3</sub>SbO<sub>7</sub>
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Bibliographic record
Abstract
We present an experimental investigation of the structural and magnetic properties of Ho 3 SbO 7 and Dy 3 SbO 7 . These compounds adopt the Y 3 TaO 7 structure, space group C222 1 . The magnetic rare-earth ions occupy an intricate lattice related to the pyrochlore lattice that occurs in Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O 7 . The crystal structure of Ho 3 SbO 7 is determined by Rietveld refinement of the powder X-ray diffraction pattern at ambient temperature, and that of the Dy analogue is inferred to be similar. Magnetic susceptibility measurements show that Ho 3 SbO 7 and Dy 3 SbO 7 have negative CurieWeiss temperatures: 8.4 K (Ho) and 9.2 K (Dy). Magnetic transitions have been detected at 2.0 K (Ho) and 3.0 K (Dy). We discuss the results in terms of the ``dipolar spin ice model'' that has been used to describe Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O 7 . PACS Nos.: 75.25+z, 75.50Ee, 61.10Nz
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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