SrGeS2 — Properties & Data | MatWorld

SrGeS2

ceramic

· JVASP-115046· SrGeS2

SrGeS2 is a ternary ceramic compound composed of strontium, germanium, and sulfur, belonging to the chalcogenide ceramic family. While primarily a research material rather than a widely commercialized product, it is investigated for solid-state ionics and optical applications due to the ionic mobility potential of strontium-based compounds and the infrared transparency characteristics of germanium chalcogenides. Engineers and materials researchers examine this compound as a candidate for next-generation solid electrolytes in battery systems and for nonlinear optical or photonic devices operating in the infrared spectrum.

solid-state battery electrolytesinfrared opticsionic conductorsphotonic materialsmaterials researchalternative electrolyte systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	51.53 range 47.73–55.34median of 2 measurements	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2850 range 0.2500–0.3200median of 2 measurements	-	DFT · OptB88vdW
Shear Modulus(G)	30.82 range 27.84–33.81median of 2 measurements	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.791 range 3.740–3.841median of 2 measurements	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.8540	eV	DFT · OptB88vdW
↳	1.323	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.92	-	DFT · OptB88vdW
↳	9.393	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.76	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.09750 range 0.04190–0.1531median of 2 measurements	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.264 range -1.320–-1.209median of 2 measurements	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.

SrGeS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental