YFe5 — Properties & Data | MatWorld

YFe5

metal

· YFe5

YFe5 is an intermetallic compound in the yttrium-iron system, a rare-earth iron binary alloy notable for its high strength and magnetic properties. It is primarily used in permanent magnet applications and magnetic device engineering, where its combination of iron's magnetic character and yttrium's rare-earth contribution enables high coercivity and energy density. This material family is of significant interest in research contexts for advanced motor magnets, sensor systems, and high-temperature magnetic applications where cost and performance trade-offs favor this composition over heavier rare-earth alternatives like Nd-Fe-B.

permanent magnetselectric motor componentsmagnetic sensorshigh-temperature magnetic devicesrare-earth intermetallics researchmagnetic recording media

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	104.8	GPa	DFT
↳	129.8	GPa	DFT · OptB88vdW
↳	104.8	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1339	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2700	-	DFT · OptB88vdW
↳	0.2339	-	DFT · PBE
Shear Modulus(G)3 entries	67.77	GPa	DFT
↳	69.01	GPa	DFT · OptB88vdW
↳	67.77	GPa	DFT · PBE

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	7.262	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	9.316	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000281	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000273	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	3.933	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	3.743	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.08793	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

YFe5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control