Ga2TeS2

ceramic

· Ga2TeS2

Ga₂TeS₂ is a ternary semiconductor ceramic compound combining gallium, tellurium, and sulfur elements. This material belongs to the family of chalcogenide semiconductors and remains primarily in research and development stages, with potential applications in optoelectronic devices, infrared photonics, and solid-state sensing where mixed anion systems offer tunable bandgaps and thermal properties distinct from binary counterparts.

infrared optics and photonicssemiconductor researchsolid-state detectorsthermal imaging windowsnon-linear optical materialsexperimental optoelectronic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,377.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	3,029.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1526	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	2.072	eV	DFT · OptB88vdW
↳	2.936	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	10.30	-	DFT · OptB88vdW
↳	8.285 range 6.895–9.675median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.670	-	DFT · OptB88vdW
↳	5.851	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4567	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.383	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.5576	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00297	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00124	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-240.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	381.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.440	%	DFT · TBmBJ

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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6005	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.

Ga2TeS2 — Properties & Data | MatWorld

Ga2TeS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental