Sr4As2O

ceramic

· Sr4As2O

Sr₄As₂O is an inorganic ceramic compound containing strontium, arsenic, and oxygen, belonging to the family of strontium arsenate-based oxides. This material is primarily of research interest rather than established in high-volume industrial production; it represents exploration into mixed-metal oxide ceramics for potential applications requiring chemical stability and structural rigidity. The compound and its family are investigated for specialized applications in photonic materials, solid-state chemistry, and potential semiconductor or optical device development, though practical engineering use remains limited and application-specific.

experimental ceramic compoundsphotonic material researchsolid-state chemistry applicationshigh-temperature ceramic developmentmaterials science researchspecialized oxide ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,398.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	5,112.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1611	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.221	eV	DFT · OptB88vdW
↳	1.797	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	53.21	-	DFT · OptB88vdW
↳	53.36 range 8.566–98.15median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.278	-	DFT · OptB88vdW
↳	6.554	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5533	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.127	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	0.000732	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00208	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-101	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	283.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	27.36	%	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)	-1.775	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.

Sr4As2O — Properties & Data | MatWorld

Sr4As2O

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental