Yb4As2O — Properties & Data | MatWorld

Yb4As2O

ceramic

· JVASP-3048· Yb4As2O

Yb4As2O is a rare-earth oxide ceramic compound containing ytterbium and arsenic, belonging to the family of mixed-valence rare-earth arsenides and oxides. This material is primarily of research and developmental interest rather than established industrial production, with potential applications in optoelectronics, solid-state physics, and high-temperature ceramics where rare-earth oxides provide unique electronic or thermal properties.

optoelectronic research materialsrare-earth ceramicssemiconductor researchhigh-temperature oxidesmaterials physics characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	9.385	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.9800	eV	DFT · OptB88vdW
↳	1.884	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	30.16	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.546	-	DFT · OptB88vdW
↳	6.393	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4867	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7933	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000770	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00213	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-94.61	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	235.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.52	%	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)	-2.000	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.

Yb4As2O

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental