Generated from data/reports/discovery-2026-11.json. Every candidate investigated in this cycle, its licence as stated by
the record or LICENSE file, and the decision. Integrated and reference sources also appear in the registry
(source-catalogue.md). This is not exhaustive internet coverage: it records what was searched and found.
| Candidate | Licence | Redistribution | Decision | Reason |
|---|---|---|---|---|
Princeton MagNet repo HEAD check (registry_check_princeton_magnet) |
MIT | permitted | no change | No new commit on main since 8a6892e9; still the same 10 *_database.h5 files. Other branches: develop 31da7325 (behind main merge), hrl-ranking c25a5dec, vb/nocache, vb/uv, gh-pages. Latest release tag 0.1.1 (2024-02-02). |
upb-lea/materialdatabase HEAD check (registry_check_paderborn_materialdatabase) |
GPL-3.0 | permitted (copyleft) | no change | No new commits on main after 04fff8e9. |
PSMA / OpenMagnetics MAS HEAD check (registry_check_psma_mas) |
Apache-2.0 | permitted | re-pin recommended (not done this cycle; see gaps) | MATERIAL CHANGE: data/core_materials.ndjson changed (302 lines) by 15 commits 2026-11-02..07: Magnetics loss refits from maker curves, Kool Mu Ultra two-range Steinmetz, 75-Series Curie 500 C, ACME P-grade and Huoh Yow K |
upb-lea/mag-net-hub HEAD check (registry_check_paderborn_magnethub) |
MIT | permitted | reference (re-pin optional) | Change is models only: new kirchgaessner2026 sequence models (classical equivalent circuit + MLP16) with coefficient JSONs for 15 materials (3C90,3C92,3C94,3C95,3E6,3F4,77,78,FEC007,FEC014,N27,N30,N49,N87,T37), siegen_pa |
asu-mapel/MHzCoreLossAggregateDataset HEAD check (registry_check_asu_mhz) |
NOASSERTION | not permitted (no licence) | no change | No new commit and still no licence. |
minjiechen/magnetchallenge (now magnetchallenge-1) HEAD check (registry_check_magnet_challenge_1) |
MIT (repository); data NOASSERTION | repo code permitted; Dropbox data unclear | registry URL updated | No new commit. Repository was renamed to minjiechen/magnetchallenge-1; update the registry URL. |
minjiechen/magnetchallenge-2 HEAD check (registry_check_magnet_challenge_2) |
NOASSERTION | not permitted (no licence) | no change | No new commit and still no licence. |
Calculation of Ferrite Core Losses with Arbitrary Waveforms using the Composite Waveform Hypothesis: Reproducibility Dataset (zenodo_7368936_cwh_n87) |
CC-BY-4.0 | permitted with attribution | integrated (zenodo_7368936_cwh_n87) | Explicit CC-BY-4.0 with a clean scalar table (42,082 rows) and an is_paper flag. Note it is a subset/re-pack of MagNet N87 measurements: mark underlying_source=MagNet and deduplicate against princeton_magnet N87 rows bef |
Large-Signal Properties in MnZn Ferrites: Code and Data (N87 permittivity/conductivity and large-signal permeability) (guillod_large_signal_ferrite_apec24) |
MIT | permitted (keep MIT notice) | integrated (guillod_n87_dielectric; permittivity/conductivity only) | Rare open dielectric (permittivity/conductivity) data for MnZn ferrite under large signal and temperature, MIT. mu_large is derived from MagNet and mu_small is copied from the TDK datasheet, so classify those as derived/ |
Core characterization data set: loss, permeability and permittivity (Nabih ‘magneto’ MS Access database) (nabih_magneto_core_loss_db) |
MIT | permitted (MIT; CITATION.cff asks to cite; related paper IEEE Xplore arnumber 10149511) | integrated (nabih_magneto) | This is the ‘Nabih Magneto’ source: MIT-licensed, MHz-range sinusoidal loss for 8 high-frequency MnZn ferrites plus complex mu/eps. Small (75 loss tests, 429 Bm-Pv points). Requires an Access reader (Jackcess/mdbtools; p |
Data sets of interlaboratory comparison of alternating and rotational loss measurements in non-oriented Fe-Si sheets (zenodo_14893851_inrim_interlab_nofesi_rotational) |
CC-BY-4.0 | permitted with attribution | reference (deferred: electrical steel) | Clean CC-BY metrology data with stated uncertainty context; useful for steel/low-frequency coverage, not for power-electronics ferrites. |
Data Sets of Magnetic Loss Measurements on Non-Oriented and Grain-Oriented Shifted Steel Cores (zenodo_16281115_shifted_go_steel_cores) |
CC-BY-4.0 | permitted with attribution | reference (deferred: electrical steel) | CC-BY, tiny, clean; same authors’ series as the registered zenodo_21626116, so the same importer pattern applies. Low power-electronics relevance. |
EMPIR 19ENG06 HEFMAG hysteresis loops NO and GO dataset example (zenodo_5910893_hefmag_loops_no_go) |
CC-BY-4.0 | permitted with attribution | reference | CC-BY but explicitly an ‘example’ subset of a few loops at 50 Hz for electrical steel; marginal value for PE magnetics. |
Examples of first magnetization curves of ferromagnetic samples (zenodo_10725890_inrim_first_magnetization) |
CC-BY-4.0 | permitted with attribution | integrated (zenodo_10725890_inrim) | CC-BY, 24 materials incl. FeSiAl and SMC; good open B-H curve source for FEM with clear provenance. |
Changes in the Steinmetz Coefficients of Punched Soft-Magnetic Sheets (M270-35A, 50 Hz) (rodbuk_tatpjh_punched_m270_35_steinmetz) |
CC0-1.0 | permitted (public domain dedication) | reference | CC0 but 50 Hz motor steel cut-edge study; sibling record 10.34658/RDB.ZBXAGP (CC0) has no files. |
Magnetic hysteresis dataset of magnetic powders (magnetorheological elastomers) (zenodo_17053338_mre_powder_hysteresis) |
CC-BY-4.0 | permitted with attribution | ignore | Elastomer composites, not power-electronics core materials. |
Metglas AMCC-1000 dynamic-transformer experiment: Siglent waveforms and MATLAB analysis (zenodo_21416816_metglas_amcc1000_waveforms) |
CC-BY-4.0 (data), MIT (code) | permitted with attribution | ignore | Not a material characterisation; single circuit waveform in binary scope format. |
MagAnalyst sample anhysteretic/B-H curves (maganalyst_sample_curves) |
MIT (license.txt; GitHub API reports NOASSERTION because of the custom text) | permitted (MIT) but data provenance not stated | ignore | Example inputs for a fitting toolbox; source and conditions not documented. |
Optimization Strategies for FeSiCr-Based Soft Magnetic Powder Cores (interfacial solid-phase reaction) - data (figshare_28182503_fesicr_powder_cores) |
CC-BY-4.0 | permitted with attribution | ignore | Unlabelled sample columns and no units in Pcv.xlsx/Permeability.xlsx; research prototypes, not commercial materials. |
Interfacial spin-order engineering mitigates the permeability-loss trade-off in amorphous soft magnetic composites - source data (figshare_31444576_amorphous_smc) |
CC-BY-4.0 | permitted with attribution | ignore | Paper figure source data for lab composites; conditions (B for Fig 3e, f for Fig 3f) only in the paper. |
Magnetic Core Loss with Superimposed DC Bias (ieee_dataport_7khj_bd03_dc_bias_core_loss) |
CC-BY-4.0 | permitted by licence, but files only reachable behind IEEE DataPort subscription | reference | High value (MHz + DC bias) and CC-BY, but subscription-gated and 244 MB; ask the author for an open copy (e.g. DTU Data) or let users supply it via an adapter. |
Other IEEE DataPort core-loss entries (85fz-ys67 Tacca Steinmetz; qgyg-q357 processed MagNet; tee6-4s06 multi-state-space; mw7j-v404 core loss prediction; 18kr-b698 IPMSM iron losses) (ieee_dataport_other_core_loss_entries) |
CC-BY-4.0 (all, per DataCite rightsList) | licence permits; access gated | ignore | Either MagNet derivatives, FEA results, or no data files. |
Data for Enhanced soft magnetic properties with high frequency stability of pure iron powder cores via high-pressure compaction (zenodo_12583064_pure_iron_powder_cores) |
CC-BY-4.0 | permitted with attribution | reference | 48 MB zip (over the 30 MB inspection limit); research samples, not catalogue materials. |
Data for: Effects of Particle Surface Modification on Magnetic Behavior of Soft Magnetic Fe@SiO2 Composites and Fe Compacts (zenodo_11074551_fe_sio2_composites) |
CC-BY-4.0 | permitted with attribution | ignore | 510 MB, research composites. |
Dataset: Automated discovery of the microscopic origin of high-frequency magnetic energy loss via physics-informed AI (zenodo_18502162_physics_ai_hf_loss_domains) |
CC-BY-4.0 | permitted with attribution | ignore | Simulation images, not material data. |
EMPIR 19ENG06 HEFMAG reports with tabulated results (8304081 Epstein at operational temperature; 10039686 Co-Fe/Si-Fe Epstein at temperature; 8304982 ring samples 10 kHz-1 MHz; 8288793/8288798/10031737/10032756 Epstein a (zenodo_hefmag_reports_pdf) |
CC-BY-4.0 | permitted with attribution | reference | Licence fine, but numbers are only in PDF reports (no machine-readable tables); 8304982 (rings 10 kHz-1 MHz) is the only PE-relevant one and its data set is already integrated as zenodo_8292861. |
Code records using MagNet (23863775 few-shot core-loss LightGBM, MIT; otvam/magnet_webinar_eqn_models N87 .mat, MIT) (zenodo_15102301_and_23863775_code_records) |
MIT | permitted (code/results only) | ignore | Model code and result tables only; no new measurements. |
The Effect of Sample’s Dimension and Cutting Technology on Magnetization and Specific Iron Losses of FeSi Laminations (lodz_rodbuk_zbxagp) |
CC0-1.0 | permitted | ignore | Record has no data files. |
Experimental Data on Non-Oriented Electrical Steel Sheets Magnetic Characteristics under Mechanical Loading (mendeley_hgzgpcvjxk_nog_steel_mechanical) |
CC-BY-4.0 | permitted with attribution | reference | Motor steel under stress; file list not inspected. |
Other Mendeley Data records (8xmc8mbhjh AM Fe-6.5Si cores - metadata only, data on request; knt342b4fx / fb6jp8t374 compressive stress on GO steel; 67kh7m97zt stress-relief annealing cut edge; 34bjrk4xxj Fe/MgO SMC LOM i (mendeley_other_steel_smc) |
CC-BY-4.0 | permitted with attribution | ignore | Electrical steel/SMC research data or images; not PE core characterisation. |
The first experimentally obtained dataset on processing parameters and properties of soft magnetic composites v.2 (figshare_25975198_smc_processing_dataset) |
CC-BY-4.0 | permitted with attribution | ignore | Process/property ML table for lab composites. |
High-frequency and microwave magnetic properties of Ni0.5Zn0.5Fe2O4 spinel ferrite ceramics - data (asep_0650992_nizn_ferrite_ceramics) |
CC-BY-4.0 | permitted with attribution | reference | NiZn permeability spectra could be useful, but research ceramics, size given as ‘2.2 MB’; not inspected. |
Experimental_DRS_ferrite_Characterisation_WP2_TSNUK (APPROACH project radio-absorbing ferrite composites) (zenodo_18373560_drs_ferrite_tsnuk) |
NOASSERTION | not permitted (no licence) | ignore | No licence; microwave absorber composites. |
PFC-CoreLoss (CH467160 powder-core B/H waveforms with DC bias, FNN/MMINN models) (kingress33_pfc_coreloss) |
NOASSERTION | not permitted (no licence) | reference | Useful DC-biased powder-core data but no licence and ~2.5 GB repo; ask the owner to add a licence. |
Other GitHub magnetics repos without a licence: clauscyril/ferrite_loss (Princeton-derived CSV + UNIPG N30/T38 .mat), cyrille-gt/magnet-core-loss, edeleu/Core-Loss-Framework, Ireanuoluwa/ML-Core-Prediction, HEFMAG/Metrol (other_github_no_licence) |
NOASSERTION | not permitted (no licence) | ignore | No licence and mostly MagNet derivatives. |
Licensed GitHub repos with derived/datasheet data: JunWang-Bristol/MagLearn (MIT, Document/LICENSE.txt; GitHub API shows none) 3C90 predictions; Aaron-H-Wang/LSSI (MIT) CoreLossData_FR78/79/95.mat (source not stated, lik (other_github_licensed_derived) |
MIT / Apache-2.0 / BSD-2-Clause / GPL-3.0 (per repo) | code licence permits, but the data are manufacturer datasheet values or MagNet/MC2 derivatives whose own terms govern | ignore | No independent measurements; would duplicate manufacturer or MagNet data with weaker provenance. |
FEMM 4.2 material library (matlib.dat) (femm_matlib) |
AFPL-8 (Aladdin Free Public License v8) | restricted (AFPL forbids commercial distribution; not an open-data licence) | reference | AFPL is not compatible with unrestricted redistribution; mostly steels and magnets. |
pyleecan material library (electrical steel B-H and loss data) (pyleecan_material_library) |
Apache-2.0 | permitted by repo licence; underlying values appear to be manufacturer datasheet data | ignore | Motor steels from datasheets; outside PE scope. |
Hugging Face Hub dataset search (magnet, core loss, magnetic, ferrite, hysteresis, magnetics, B-H, permeability, steinmetz, mag-net) (huggingface_hub_search) |
n/a | n/a | ignore | No soft-magnetic characterisation datasets. Only hit in the domain is FulongLi/AIPE-Magnetics-Dataset (this project’s own export, cc-by-4.0). seidenberger/magnetdb (cc-by-4.0) is a video-match CSV; antitheft159/magNet is |
Kaggle dataset search (core loss, magnetic core, ferrite, hysteresis, magnet challenge, steinmetz, electrical steel, inductor) (kaggle_search) |
n/a | n/a | ignore | No magnetics characterisation datasets found (only magnetic-tile defect images, geomagnetism, a motor dataset). |
Dryad, OSF, DataCite-indexed repositories (4TU, RADAR, KITopen, mediaTUM, RWTH, DTU Data, NTNU, ETH, NPL, PTB, Cardiff, ScienceDB) (other_repositories_dead_ends) |
n/a | n/a | ignore | DataCite searches (39 queries incl. German terms) returned no relevant data from 4TU/RADAR/KITopen/mediaTUM/RWTH/DTU/NTNU/ETH/NPL/PTB. Dryad: only nanoferrite chemistry. OSF: only 563xk (ferrite sheets eddy currents, WPT |