Er2FeSi2 — Properties & Data | MatWorld

Er2FeSi2

metal

· JVASP-30989· Er2FeSi2

Er2FeSi2 is an intermetallic compound combining erbium, iron, and silicon, belonging to the rare-earth transition-metal silicide family. This material is primarily of research interest for its potential in high-temperature applications and magnetic systems, where the rare-earth erbium component can provide enhanced magnetic properties or thermal stability compared to conventional ferrous alloys. Engineers evaluating Er2FeSi2 should note it represents an experimental composition rather than a commercially established alloy; its adoption depends on matching specific performance requirements in niche applications where rare-earth metallurgy offers advantage over iron-based alternatives.

rare-earth intermetallic compoundshigh-temperature materials researchmagnetic alloy developmentspecialty metallurgyexperimental phases

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2905	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000319	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000319	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-15.69	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-15.21	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7108	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

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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.

Er2FeSi2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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