Ba3Si2As4 — Properties & Data | MatWorld

Ba3Si2As4

Name: Ba3Si2As4
Brand: MatWorld

ceramic

· JVASP-10865· Ba3Si2As4

Ba3Si2As4 is an inorganic ceramic compound composed of barium, silicon, and arsenic, belonging to the family of ternary metal arsenide ceramics. This is a research-phase material primarily investigated for potential optoelectronic and photovoltaic applications due to its direct bandgap properties and crystal structure, though it remains largely experimental and has not achieved widespread commercial deployment. The material is of interest to researchers exploring wide-bandgap semiconductors and materials for infrared detection or specialized optical devices, though environmental and toxicity concerns associated with arsenic content limit practical adoption compared to arsenic-free alternative ceramic systems.

optoelectronic researchphotovoltaic devicesinfrared detectionwide-bandgap semiconductorsexperimental ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.584	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7730	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	11.23	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.027	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.600	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00160	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00111	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-183.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	311.6	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)	-0.8524	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

Export Control

Quality & Standards

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.

Ba3Si2As4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards