Chemical Pressure Effects on Pyrochlore Spin Ice
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Bibliographic record
Abstract
A comparison among the two sets of studied pyrochlore spin ices, ${\mathrm{Ho}}_{2}{\mathrm{Sn}}_{2}{\mathrm{O}}_{7}$, ${\mathrm{Ho}}_{2}{\mathrm{Ti}}_{2}{\mathrm{O}}_{7}$, and ${\mathrm{Ho}}_{2}{\mathrm{Ge}}_{2}{\mathrm{O}}_{7}$ with ${\mathrm{Ho}}^{3+}$ spins and ${\mathrm{Dy}}_{2}{\mathrm{Sn}}_{2}{\mathrm{O}}_{7}$, ${\mathrm{Dy}}_{2}{\mathrm{Ti}}_{2}{\mathrm{O}}_{7}$, and ${\mathrm{Dy}}_{2}{\mathrm{Ge}}_{2}{\mathrm{O}}_{7}$ with ${\mathrm{Dy}}^{3+}$ spins, shows that the application of chemical pressure through each set drives the system toward the antiferromagnetic phase boundary from the spin ice region, which agrees with the prediction of the ``dipolar spin ice'' model of den Hertog and Gingras. Among all the studied pyrochlore spin ices, ${\mathrm{Dy}}_{2}{\mathrm{Ge}}_{2}{\mathrm{O}}_{7}$ has the smallest ratio of ${J}_{nn}/{D}_{nn}=\ensuremath{-}0.73$.
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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) | 0.000 | 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) | 0.000 | 0.001 |
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