Ba4As2O — Properties & Data | MatWorld

Ba4As2O

Name: Ba4As2O
Brand: MatWorld

ceramic

· JVASP-2784· Ba4As2O

Ba₄As₂O is a barium arsenate ceramic compound that belongs to the family of mixed-metal oxide ceramics, specifically combining alkaline earth and metalloid elements in a crystalline structure. This material remains primarily in the research and development phase, with potential applications in specialized electronic, optical, or structural ceramics where arsenic-containing compounds offer unique properties such as specific dielectric or thermal characteristics. Engineers considering this material should recognize it as an experimental compound rather than an established engineering ceramic, and should verify its performance data and manufacturability against conventional alternatives like alumina, zirconia, or established barium compounds for their specific application.

research ceramicselectronic materials developmentspecialty oxidesexperimental compoundsmaterials science investigationniche ceramic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1835	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.6680	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	83.53	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.4967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.063	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	0.000702	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00184	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-94.18	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	283.5	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)	-1.631	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.

Ba4As2O

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental