Sb2TeSe2

ceramic

· Sb2TeSe2

Sb2TeSe2 is a layered chalcogenide ceramic compound combining antimony, tellurium, and selenium—a member of the group V-VI semiconductor/thermoelectric material family. This material is primarily investigated in research contexts for thermoelectric energy conversion and topological electronic applications, where its layered crystal structure and moderate mechanical properties make it attractive for temperature-sensitive power generation and potentially novel quantum transport phenomena. Engineers consider chalcogenide compounds like this when seeking materials that combine thermal insulation with electrical conductivity, or when exploring emerging technologies in waste heat recovery and quantum device platforms.

thermoelectric generatorswaste heat recoverytopological materials researchlayered semiconductorsquantum device platformsexperimental electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,311.3	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	72.59	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	3,366.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2145	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4000	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	155.5	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	34.77	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.2267	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.2233	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2892	C/m²	DFT · OptB88vdW
↳	0.8495	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00295	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00512	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-185.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	237.8	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)	-0.2365	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.

Sb2TeSe2 — Properties & Data | MatWorld

Sb2TeSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental