ErGa — Properties & Data | MatWorld

ErGa

ceramic

· JVASP-35728· ErGa

ErGa is a ceramic intermetallic compound composed of erbium and gallium, representing a rare-earth–based ceramic material system. While not widely commercialized, ErGa and related rare-earth gallides are of interest in research contexts for high-temperature applications and advanced functional ceramics where thermal stability and specific electronic or magnetic properties are desired. Engineers would consider this material primarily in specialized research and development settings rather than for conventional structural applications, particularly where rare-earth ceramics offer advantages in extreme environments or as functional components in semiconductor or optoelectronic device contexts.

High-temperature ceramics researchRare-earth intermetallicsSemiconductor substrate researchThermal management systemsAdvanced materials developmentSpecialized functional ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	73.91	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	47.31	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.594	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00182	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00185	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-14.81	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-15.61	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)	-0.6374	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

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.

ErGa

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental