Magnon transmission by an atomic interface in Ni–Fe and Fe–Ni systems
Bibliographic record
Abstract
This work describes spin wave localized states and coherent magnon transport in ferromagnetic systems. The model system, A–B, consists of a semi-infinite bcc ferromagnetically ordered lead B joined to another fcc semi-infinite ferromagnetically ordered lead A, oriented in the same direction. It is applied to the systems Ni–Fe and the inverse Fe–Ni. The magnon transmission, scattering coherently at the interface boundary, and the localized density of spin states are calculated and analyzed. Transmission and reflection scattering cross sections are determined from elements of a Landauer-type scattering matrix. The theoretical calculations are carried out using the matching procedure. The results highlight the localized spin states on the interface domain and their interactions with incident magnons. The calculated properties are presented for arbitrary incidence angles of the magnons on the boundary, for all accessible frequencies in the propagating bands, and for the interatomic magnetic exchange of the A and B subsystems, and their spin intensity, with no externally applied magnetic field. The spin waves associated with the surface and the interface, in layered magnetic structures, interact with each other leading to interesting magnetic behaviors and give symmetry properties of spin layers at a microscopic scale.
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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 | 0.000 |
| 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 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".