Te3As2 — Properties & Data | MatWorld

Te3As2

ceramic

· JVASP-62175· Te3As2

Te3As2 is a layered chalcogenide ceramic compound combining tellurium and arsenic elements, belonging to the family of binary telluride-arsenide materials. This is a research-phase material primarily of interest for its anisotropic layered crystal structure and weak interlayer bonding characteristics. The compound is being investigated in materials science research for potential applications in thermoelectric devices, layered semiconductor systems, and exfoliable nanomaterial synthesis, where its distinctive structural properties offer advantages over conventional semiconductors in enabling controlled layer separation and 2D material fabrication.

thermoelectric devices2D nanomaterial researchlayered semiconductor studiesexfoliation applicationsexperimental optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	28.58	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	71.72	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	20.43	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.102	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4690	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	43.52	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.2100	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3733	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	0.00474	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00422	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-202.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	314.7	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)	0.00350	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.00768	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.

Te3As2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental