Oxygen-isotope exchange and cation disorder effects on magneto-transport properties of (Sm1-yGdy)0.55Sr0.45MnO3
Bibliographic record
Abstract
Detailed systematic studies of the effects of both the cation disorder and the oxygen isotope exchange 16O → 18O on the magneto-transport properties of (Sm1-yGdy)0.55Sr0.45MnO3 manganites were performed for y between 0 and 1. We investigated changes in the temperature and magnetic field dependence of the magnetization, resistivity and magneto-resistivity, including the effects of the oxygen isotope substitution on the magneto-transport properties of samples with high magneto-resistance and the oxygen-isotope exchange induced metal–insulator transition. Very large cation disorder leads to a formation of the insulating spin-glass state in which no colossal magneto-resistance or field-induced ferromagnetism occurs. There is also no significant effect of the oxygen isotope exchange on samples in the spin-glass state.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.000 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".