Physical Properties and Bonding in <i>RE</i><sub>3</sub>TiSb<sub>5</sub> (<i>RE</i> = La, Ce, Pr, Nd, Sm)
Bibliographic record
Abstract
Electrical transport and magnetic properties have been measured for the family of ternary rare-earth transition-metal antimonides RE 3 TiSb 5 ( RE = La, Ce, Pr, Nd, Sm). Single-crystal X-ray structures have now been determined for all members of this series. All are metallic, with anomalies appearing in the resistivity curves suggestive of electronic transitions. La 3 TiSb 5, Ce 3 TiSb 5, and possibly Nd 3 TiSb 5 undergo transitions to a superconducting state below ∼4 K. Support for the existence of a superconducting phase is also provided by onset of diamagnetism in the magnetization behavior below T C . Extended Hückel band structure calculations disclose strongly anisotropic electrical conductivity, reflecting the one-dimensional character of covalent bonding within the structure, and reveal the presence of narrow Ti-based bands close to the Fermi level.
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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) | 0.001 | 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".