Growth, Electric and Thermal Properties of Lead Scandium Niobate-Lead Magnesium Niobate-Lead Titanate Ternary Single Crystals
Why this work is in the frame
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Bibliographic record
Abstract
Single crystals of the x Pb(Sc 1/2 Nb 1/2 )O 3 – y Pb(Mg 1/3 Nb 2/3 )O 3 – z PbTiO 3 (PSMNT 100 x /100 y /100 z ) ternary system have successfully been grown by a flux method using 71.4 mol% PbO–28.6 mol% B 2 O 3 flux. The crystals were grown in a platinum crucible by mass crystallization achieved by the slow cooling of a 50PbO:20B 2 O 3 :30PSMNT 29/34/37 (mol%) molten solution from 1,200°C to 880°C at 1.2°C/h. The resulting two types of crystals, 2–3 mm in length with perovskite structure and 5–7 mm in length with pyrochlore structure, coexist. Inductive charge plasma (ICP) chemical analysis revealed that the composition of the pulverized powder of perovskite crystal is PSMNT 43/17/40, which is slightly different from the charged composition of PSMNT 29/34/37. One of the single crystals near the morphotropic phase boundary (MPB) showed a dielectric constant peak of 200°C. The grown PSMNT crystals show good thermal stability of the perovskite phase with partical decomposition starting at 1128°C and peritectic melting at 1308°C.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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