SrGa2Te4

ceramic

· JVASP-8784· SrGa2Te4

SrGa2Te4 is a ternary ceramic compound belonging to the chalcogenide family, combining strontium, gallium, and tellurium in a structured crystalline matrix. This material is primarily of research and developmental interest for optoelectronic and photonic applications, where its wide bandgap and thermal stability make it a candidate for infrared detectors, nonlinear optical devices, and wide-bandgap semiconductor applications. Engineers would consider SrGa2Te4 when conventional semiconductors (GaAs, InP) prove unsuitable due to thermal constraints or when infrared sensitivity in the 3–5 μm or 8–12 μm windows is required, though it remains largely in the experimental phase relative to mature commercial alternatives.

infrared photodetectorsnonlinear optical deviceswide-bandgap semiconductorsthermal sensingresearch-phase photonicshigh-temperature optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,046.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	2,512.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1910	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.3200	eV	DFT · OptB88vdW
↳	0.9220	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	21.11	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.87	-	DFT · OptB88vdW
↳	8.496	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.06333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.08333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.05302	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000343	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00215	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-60.61	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	276	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.83	%	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)	0.01060	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7466	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.

SrGa2Te4 — Properties & Data | MatWorld

SrGa2Te4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental