ErRh2

Name: ErRh2
Brand: MatWorld

ceramic

· ErRh2

ErRh2 is an intermetallic compound combining erbium (a rare-earth element) with rhodium in a 1:2 stoichiometric ratio, forming a ceramic-class material with high density and potential for specialized high-temperature applications. This material represents a research-phase intermetallic rather than a widely commercialized engineering ceramic; the ErRh2 system is primarily studied for its thermodynamic stability, magnetic properties, and potential use in advanced alloy development and materials science research rather than established industrial production. Its notable density and rare-earth character make it relevant to exploratory work in high-performance alloys, catalytic systems, or specialized aerospace/materials research contexts where rare-earth intermetallics are investigated.

materials research and developmentrare-earth intermetallic compoundshigh-temperature phase studiesadvanced alloy developmentcatalysis researchspecialty metallurgy

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4266	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	0.00107	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00108	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	20.34	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	20.32	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.7971	eV/atom	DFT · OptB88vdW
↳	-0.7234	eV/atom	Measured

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

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

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.

ErRh2 — Properties & Data | MatWorld

ErRh2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental