THE SYSTEM Pd-Sn-Te AT 400 C AND MINERALOGICAL IMPLICATIONS. I. THE BINARY PHASES
Bibliographic record
Abstract
The phase relations in the system Pd–Sn–Te were investigated with the evacuated silica tube method, and characterized by electron-microprobe analysis and powder X-ray diffraction. The experimental charges were weighed using pure elements or presynthesized binary phases. The isothermal section was investigated at 400°C. Our experiments revealed the existence of three ternary phases: Pd 67 Sn 11 Te 22 , Pd 72 Sn 16 Te 12 and PdSnTe, unknown as minerals. Two previously reported ternary phases, “Pd 73 Sn 10 Te 17 ” and “Pd 71 Sn 7 Te 22 ”, were not identified in this work. The experiments presented have provided useful data concerning the ranges of solid solutions in the ternary system. The phase PdTe 2 , analogue of merenskyite, dissolves up to 3.5 at.% Sn; the phase PdTe, analogue of kotulskite, dissolves up to 19 at.% Sn, and the phase Pd 20 Te 7 dissolves up to 4 at.% Sn. The phase Pd 2 Sn, analogue of paolovite, dissolves up to 4 at.% Te, and the phase Pd 3 Sn, analogue of atokite, dissolves up to 0.5 at.% Te. At 400°C, the following assemblages were encountered: Sn(liq) + SnTe + PdSn 2 , PdSn 2 + SnTe + PdSn, PdSn + SnTe + Pd 20 Sn 13 , SnTe + Te + PdTe 2 , SnTe + Pd(Te,Sn) 2ss + PdSnTe, SnTe + Pd 20 Sn 13 + PdSnTe, Pd 20 Sn 13 + PdSnTe + Pd(Te,Sn) ss , PdSnTe + Pd(Sn,Te) 2ss + Pd(Te,Sn) ss , Pd 20 Sn 13 + Pd 2 (Sn,Te) ss + Pd(Te,Sn) ss , Pd 2 (Sn,Te) ss + PdTe + Pd 67 Sn 11 Te 22 , PdTe + Pd 67 Sn 11 Te 22 + Pd 3 Te 2 , Pd 67 Sn 11 Te 22 + Pd 3 Te 2 + Pd 9 Te 4 , Pd 67 Sn 11 Te 22 + Pd 9 Te 4 + Pd 20 Te 7 , Pd 2 (Sn,Te) ss + Pd 67 Sn 11 Te 22 + Pd 72 Sn 16 Te 12 , Pd 2 (Sn,Te) ss + Pd 73 Sn 14 Te 13 + Pd 3 (Sn,Te) ss , Pd 72 Sn 16 Te 12 + Pd 67 Sn 11 Te 22 + Pd 20 (Te,Sn) 7ss , Pd 3 (Sn,Te) ss + Pd 72 Sn 16 Te 12 + Pd 20 (Te,Sn) 7ss , Pd 3 (Sn,Te) ss + Pd 20 (Te,Sn) 7ss + Pd 17 Te 4 and Pd 3 Sn + Pd 17 Te 4 + Pd.
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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) | 0.004 | 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 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".