Yb5As3 — Properties & Data | MatWorld

Yb5As3

ceramic

· JVASP-137635· Yb5As3

Yb5As3 is an intermetallic ceramic compound combining ytterbium and arsenic, belonging to the rare-earth pnictide family of materials. This is a research-phase material studied primarily for its electronic and thermal properties in specialized applications rather than a commodity engineering material. The compound and related rare-earth arsenides are of interest in thermoelectric devices, semiconductor research, and high-temperature applications where rare-earth intermetallics offer unique electronic behavior, though industrial adoption remains limited and material is typically available only through specialized synthesis.

thermoelectric researchrare-earth intermetallicssemiconductor studieshigh-temperature electronicsmaterials science researchspecialized compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.918	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	1.029	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.652	-	DFT · TBmBJ
Magnetic Moment(μB)	1.057	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.09	%	DFT · TBmBJ

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)	-1.217	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.

Yb5As3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental