Epitaxial Ni–Mn–Ga films derived through high temperature<i>in situ</i>depositions
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Bibliographic record
Abstract
Epitaxial films of the magnetic shape memory alloy Ni–Mn–Ga have been deposited on (100) YSZ substrates in a previously unexplored high temperature deposition regime. The temperatures employed encouraged the development of the desired micrometer-size highly twinned martensitic grain structure, where the loss of manganese and gallium at high temperatures was compensated for through enrichments to the target material. The films show the desired shape memory alloy properties of having a well-defined reversible martensitic transformation, centered around 85 °C, a room temperature martensitic phase with an in-plane saturation magnetization of 64 emu g−1, and a magnetically induced reorientation of the martensite variants which occurs at a low magnetic field of 400 Oe. The films also exhibit a hysteresis loop in the magnetic transition, a feature attributed to the overlap of the magnetic and structural phase transitions. The results suggest that the described in situ route provides a superior pathway to the formation of Ni–Mn–Ga films.
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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 | 0.000 | 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 | 0.001 |
| 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 it