THE SYSTEM Pd-Sn-Te AT 400 C AND MINERALOGICAL IMPLICATIONS. I. THE BINARY PHASES
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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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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 | 0.001 | 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 | 0.003 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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 it