As2Os — Properties & Data | MatWorld

As2Os

Name: As2Os
Brand: MatWorld

semiconductor

· As2Os

As₂O₅ is an inorganic oxide semiconductor composed of arsenic and oxygen, belonging to the broader family of metal oxide semiconductors. This material is primarily encountered in research and specialized optoelectronic applications rather than mainstream industrial production, where it has been investigated for its potential in photosensitive devices and infrared detector systems due to its semiconducting properties.

infrared detectorsoptoelectronic researchphotosensitive devicessemiconductor researchexperimental optical applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3856	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	0.9000	eV	Measured
↳	0.6140	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)2 entries	36.84	-	DFT · OptB88vdW
↳	27.20 range 20.61–33.79median of 2 measurements	-	DFT · PBEsol
Electron Effective Mass(m*e)	0.3667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9800	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	0.00415	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00316	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-268.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	339.2	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1917	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

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.

As2Os

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control