GePbS2 — Properties & Data | MatWorld

GePbS2

ceramic

· JVASP-118397· GePbS2

GePbS2 is a mixed-metal chalcogenide ceramic compound combining germanium, lead, and sulfur. This material belongs to the family of IV-VI semiconducting chalcogenides and is primarily investigated in research contexts for optoelectronic and photonic applications where its narrow bandgap and thermal properties offer potential advantages. The compound is notable for applications requiring infrared transparency and nonlinear optical response, positioning it as an alternative to more conventional semiconductors in specialized photonic devices and thermal imaging systems.

infrared opticsnonlinear optical devicesthermal imaging sensorsphotodetectorsresearch semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	50.33	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	26.60	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.815	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.6730	eV	DFT · OptB88vdW
↳	0.9790	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	17.67	-	DFT · OptB88vdW
↳	13.10	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.77	%	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)	0.06010	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4476	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.

GePbS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental