Modulating nanomagnetism in Ni80Fe20/(Ni,Fe)O thin films by tuning the interfacial microstructure using ion bombardment
Bibliographic record
Abstract
The strength, polarity, and temperature dependence of the exchange bias field in ferromagnet/antiferromagnet thin film systems depend critically on the nature of the interfacial microstructure. Using ion bombardment during film deposition, we have found a way to modulate the interface microstructure, providing unique control over the exchange bias magnetism. We demonstrate interfacial microstructure modulation in Ni80Fe20/(Ni,Fe)O thin films, where different ion bombardment energies alter the exchange coupling between the (Ni,Fe)O and Ni80Fe20 interfaces. One interface configuration provides positive or negative exchange coupling depending on whether the film was cooled with or without an external magnetic field, while another interface configuration results in the more typical negative exchange coupling independent of the field cooling.
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How this classification was reachedexpand
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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".