Ta2Se — Properties & Data | MatWorld

Ta2Se

ceramic

· JVASP-16099· Ta2Se

Ta2Se is a tantalum selenide ceramic compound belonging to the transition metal chalcogenide family, characterized by strong metallic-ceramic bonding and notable mechanical rigidity. While primarily a research and development material rather than a commercial commodity, Ta2Se and related tantalum chalcogenides are investigated for high-temperature structural applications, semiconductor device interfaces, and extreme environment applications where chemical stability and thermal resistance are critical. Its selection would be driven by specialized requirements for refractory behavior, corrosion resistance, or functional properties at temperatures where conventional ceramics or metals prove inadequate.

high-temperature structural componentssemiconductor/electronic interfacesrefractory materials researchextreme environment applicationschemical barrier coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	94.44	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	50.91	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	12.56	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000680	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000494	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-21.04	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-20.43	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)	-0.4455	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.

Ta2Se

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental