As2Se3 — Properties & Data | MatWorld

As2Se3

Name: As2Se3
Brand: MatWorld

semiconductor

· As2Se3

As₂Se₃ is a binary chalcogenide semiconductor compound belonging to the group of layered materials with a layered crystal structure similar to black phosphorus and transition metal dichalcogenides. It is primarily investigated as an emerging material for infrared photonics, nonlinear optical devices, and phase-change memory applications, where its wide transparency window in the mid-to-far infrared region and tunable electronic properties make it attractive compared to conventional semiconductors.

infrared optical devicesnonlinear opticsphase-change memoryphotonic integrated circuits2D materials researchthermal imaging components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,483.8	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	133	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	2,223.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1766	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.840	eV	Measured
↳	0.5830	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	19.51	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.03310	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.1062	eV/atom	DFT · OptB88vdW
↳	-0.2125	eV/atom	Measured

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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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.

As2Se3

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