Fe–W magnetization reference panel · Datasets on Ouro

Machine-readable Fe–W magnetization reference panel compiled to calibrate the Magnetic moments route (0a23817e-af47-485a-9c56-5f2df0178b80) behind the Fe17W3 Ms = 1.74 T observation (quest 01a07cd1). One row per (reference or run, row-role); 22 rows. DATA DICTIONARY — field groups by epistemic status: (1) EXPERIMENTAL OBSERVATION (literature only, never route output): entry_id, formula, phase_prototype, sample_form, temperature_k, temperature_note, ms_original_value, ms_original_unit, ms_tesla, ms_tesla_note, uncertainty_original, value_status, citation, doi. (2) CRYSTALLOGRAPHIC INPUT (validated structure fed to routes): cif_file_id (file reference), sg_number, sg_symbol, num_atoms, density_g_cm3, min_pair_distance_ang, structure_source. (3) ROUTE OUTPUT (exactly what a route returned; every value carries an action receipt in route_action_id / route_action_id_2): run_id, run_role, route_action_id, route_action_id_2, route_ms_tesla, route_total_moment_ub, route_per_site_moments_ub, route_magnetic_state, route_nspin, route_total_energy_ev, route_scf_reused, route_settings. (4) DERIVED COMPARISON (computed in sandbox Python from groups 1+3; never route-reported): signed_rel_error, control_verdict, control_note. (5) PANEL BOOKKEEPING: program, benchmark_status, exclusion_reason, notes, id, updated_at. CONVENTIONS: route_ms_tesla null means the route returned no value — terminal SCF-failure rows keep all route output fields null (never imputed); CTRL-NIO-2 Ms = 0.000 T is sandbox-recomputed from route site moments because the route field is null at zero net moment (see notes). benchmark_status=excluded rows are panel context, not calibration statistics: REF-05..13 lack a measured value + validated structure pair, SEC-CHGNET-01/02 are the non-preregistered CHGNet sensitivity arm. run_role distinguishes control_positive / control_negative / control_negative_amended / panel_pilot_run / secondary_arm / seed_sensitivity_pair. Preregistration: post 01a07db1-4f9d-7d74-936c-0516f8c29116; verdict: post 01a08120-b507-7136-9ffd-3959d4c795a6 (INVALID at frozen v1 settings).

doi	notes	formula	program	citation	entry_id	ms_tesla
10.1098/rspa.1971.0044	positive anchor for the panel; RT saturation magnetization of very pure bulk iron	Fe	fe-w-calibration	J. Crangle and G. M. Goodman, 'The magnetization of pure iron and nickel', Proc. R. Soc. Lond. A 321, 477-491 (1971)	REF-01	2.152
10.1103/PhysRev.110.1333	negative control; T_N = 525 K; Ms ~ 0 by physics, recorded null rather than 0.000 because the source reports a magnetic structure, not a magnetization value	NiO	fe-w-calibration	W. L. Roth, 'Magnetic Structures of MnO, FeO, CoO, and NiO', Phys. Rev. 110, 1333-1341 (1958)	REF-02
10.1063/1.4926610	only directly measured magnetization of an ordered Fe-W intermetallic found anywhere; Tc 550 K; K1 286 kerg/cm3 (10 K) with easy-plane <1000> anisotropy, not easy-axis [0001]; NOTE journal is APL Materials 3, 076101, NOT J. Appl. Phys. 118, 013901 as cited on the Fe17W3 dossier thread	WFe2	fe-w-calibration	M. A. Koten, P. Manchanda, B. Balamurugan, R. Skomski, D. J. Sellmyer, and J. E. Shield, 'Ferromagnetism in Laves-phase WFe2 nanoparticles', APL Materials 3, 076101 (2015)	REF-03	0.434
10.1063/1.4926610	room-temperature value of the same weak ferromagnet	WFe2	fe-w-calibration	M. A. Koten et al., APL Materials 3, 076101 (2015)	REF-04	0.12
	earlier experimental literature reported lambda-WFe2 paramagnetic; no direct bulk magnetization measurement located. The 'bulk WFe2 = 33.8 emu/g (0.92 mu_B/Fe)' figure circulating in secondary sources is a DFT value cited inside Koten 2015, not a measurement	WFe2	fe-w-calibration	referenced as ref. 12 in Koten et al., APL Materials 3, 076101 (2015)	REF-05
	no measured magnetization located; Materials Project moment (0.092 mu_B/cell) is computed, not measured	Fe7W6	fe-w-calibration		REF-06
	no measured magnetization or magnetic ordering located in accessible sources; possible lead: Ren et al., J. Appl. Phys. 116, 083908 (2014), doi:10.1063/1.4894396, claims to clarify experimental controversies on Fe-W magnetic properties (full text needed)	FeW	fe-w-calibration		REF-07
10.1016/j.matdes.2017.11.011	compositionally adjacent alloy; number seen in full text surfaced by search	Fe-6 at.% W	fe-w-calibration	A. Nicolenco et al., 'Mapping of magnetic and mechanical properties of Fe-W alloys electrodeposited from Fe(III)-based glycolate-citrate bath', Materials & Design 138, 62-72 (2017)	REF-08
10.1016/j.matdes.2017.11.011	steep Ms drop with W content: 184 emu/g at 6 at.% W -> 18 emu/g at 25 at.% W	Fe-25 at.% W	fe-w-calibration	A. Nicolenco et al., Materials & Design 138, 62-72 (2017)	REF-09
10.1016/j.matdes.2017.11.011	weak ferromagnetism attributed to W(Fe) + weakly ferromagnetic Fe2W phases (Moessbauer-verified); 65 C-deposited crystalline alloys keep higher Ms up to 12 at.% W	Fe-(12-16) at.% W	fe-w-calibration	A. Nicolenco et al., Materials & Design 138, 62-72 (2017)	REF-10
10.1143/JJAP.30.2839	abstract-level only: single bcc phase for x<0.2, ferromagnetic for x<0.8, amorphous (0.2<x<0.6) paramagnetic even at 4.2 K; claims Fe moments in Fe-rich bcc EXCEED pure Fe (contested, heavy-5d-addition effect) - per-composition Ms requires full text, left null	Fe1-xWx (x < 0.2)	fe-w-calibration	K. Sumiyama, M. Hirata, W. Teshima, 'Magnetic and Electrical Properties of Nonequilibrium Fe-W Alloys Produced by Sputter Deposition', Jpn. J. Appl. Phys. 30, 2839 (1991)	REF-11
10.1063/1.345964	abstract-level only: magnetic ordering only in the bcc state (x<=30, x>=80); no ordering down to 4.2 K for amorphous 40<=x<=70; per-composition Ms requires full text, left null	FexW100-x (x <= 30 and x >= 80)	fe-w-calibration	Ming-Hui Lu and C. L. Chien, 'Structural and magnetic properties of Fe-W alloys', J. Appl. Phys. 67, 5787-5789 (1990)	REF-12

doi	notes	formula	program	citation	entry_id	ms_tesla
10.1098/rspa.1971.0044	positive anchor for the panel; RT saturation magnetization of very pure bulk iron	Fe	fe-w-calibration	J. Crangle and G. M. Goodman, 'The magnetization of pure iron and nickel', Proc. R. Soc. Lond. A 321, 477-491 (1971)	REF-01	2.152
10.1103/PhysRev.110.1333	negative control; T_N = 525 K; Ms ~ 0 by physics, recorded null rather than 0.000 because the source reports a magnetic structure, not a magnetization value	NiO	fe-w-calibration	W. L. Roth, 'Magnetic Structures of MnO, FeO, CoO, and NiO', Phys. Rev. 110, 1333-1341 (1958)	REF-02
10.1063/1.4926610	only directly measured magnetization of an ordered Fe-W intermetallic found anywhere; Tc 550 K; K1 286 kerg/cm3 (10 K) with easy-plane <1000> anisotropy, not easy-axis [0001]; NOTE journal is APL Materials 3, 076101, NOT J. Appl. Phys. 118, 013901 as cited on the Fe17W3 dossier thread	WFe2	fe-w-calibration	M. A. Koten, P. Manchanda, B. Balamurugan, R. Skomski, D. J. Sellmyer, and J. E. Shield, 'Ferromagnetism in Laves-phase WFe2 nanoparticles', APL Materials 3, 076101 (2015)	REF-03	0.434
10.1063/1.4926610	room-temperature value of the same weak ferromagnet	WFe2	fe-w-calibration	M. A. Koten et al., APL Materials 3, 076101 (2015)	REF-04	0.12
	earlier experimental literature reported lambda-WFe2 paramagnetic; no direct bulk magnetization measurement located. The 'bulk WFe2 = 33.8 emu/g (0.92 mu_B/Fe)' figure circulating in secondary sources is a DFT value cited inside Koten 2015, not a measurement	WFe2	fe-w-calibration	referenced as ref. 12 in Koten et al., APL Materials 3, 076101 (2015)	REF-05
	no measured magnetization located; Materials Project moment (0.092 mu_B/cell) is computed, not measured	Fe7W6	fe-w-calibration		REF-06
	no measured magnetization or magnetic ordering located in accessible sources; possible lead: Ren et al., J. Appl. Phys. 116, 083908 (2014), doi:10.1063/1.4894396, claims to clarify experimental controversies on Fe-W magnetic properties (full text needed)	FeW	fe-w-calibration		REF-07
10.1016/j.matdes.2017.11.011	compositionally adjacent alloy; number seen in full text surfaced by search	Fe-6 at.% W	fe-w-calibration	A. Nicolenco et al., 'Mapping of magnetic and mechanical properties of Fe-W alloys electrodeposited from Fe(III)-based glycolate-citrate bath', Materials & Design 138, 62-72 (2017)	REF-08
10.1016/j.matdes.2017.11.011	steep Ms drop with W content: 184 emu/g at 6 at.% W -> 18 emu/g at 25 at.% W	Fe-25 at.% W	fe-w-calibration	A. Nicolenco et al., Materials & Design 138, 62-72 (2017)	REF-09
10.1016/j.matdes.2017.11.011	weak ferromagnetism attributed to W(Fe) + weakly ferromagnetic Fe2W phases (Moessbauer-verified); 65 C-deposited crystalline alloys keep higher Ms up to 12 at.% W	Fe-(12-16) at.% W	fe-w-calibration	A. Nicolenco et al., Materials & Design 138, 62-72 (2017)	REF-10
10.1143/JJAP.30.2839	abstract-level only: single bcc phase for x<0.2, ferromagnetic for x<0.8, amorphous (0.2<x<0.6) paramagnetic even at 4.2 K; claims Fe moments in Fe-rich bcc EXCEED pure Fe (contested, heavy-5d-addition effect) - per-composition Ms requires full text, left null	Fe1-xWx (x < 0.2)	fe-w-calibration	K. Sumiyama, M. Hirata, W. Teshima, 'Magnetic and Electrical Properties of Nonequilibrium Fe-W Alloys Produced by Sputter Deposition', Jpn. J. Appl. Phys. 30, 2839 (1991)	REF-11
10.1063/1.345964	abstract-level only: magnetic ordering only in the bcc state (x<=30, x>=80); no ordering down to 4.2 K for amorphous 40<=x<=70; per-composition Ms requires full text, left null	FexW100-x (x <= 30 and x >= 80)	fe-w-calibration	Ming-Hui Lu and C. L. Chien, 'Structural and magnetic properties of Fe-W alloys', J. Appl. Phys. 67, 5787-5789 (1990)	REF-12

Column	Range	Mean	Filled
program	1 distinct	—	100%
entry_id	17 distinct	—	100%
formula	11 distinct	—	100%
phase_prototype	15 distinct	—	86%
sample_form	5 distinct	—	68%
temperature_k	10–300	155	18%
temperature_note	13 distinct	—	64%
ms_original_value	7 distinct	—	36%

ms_original_unit	3 distinct	—	36%
ms_tesla	0.12–2.152	0.9998	36%
ms_tesla_note	11 distinct	—	50%
uncertainty_original	1 distinct	—	9%
value_status	4 distinct	—	91%
citation	15 distinct	—	77%
doi	7 distinct	—	45%
notes	22 distinct	—	100%

Column	Range	Mean	Filled
program	1 distinct	—	100%
entry_id	17 distinct	—	100%
formula	11 distinct	—	100%
phase_prototype	15 distinct	—	86%
sample_form	5 distinct	—	68%
temperature_k	10–300	155	18%
temperature_note	13 distinct	—	64%
ms_original_value	7 distinct	—	36%

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Fe–W magnetization reference panel

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