LuAgS2 — Properties & Data | MatWorld

LuAgS2

metal

· JVASP-53085· LuAgS2

LuAgS2 is an intermetallic compound combining lutetium, silver, and sulfur, representing a ternary metal sulfide system. This is primarily a research material studied for its unique crystallographic and electronic properties rather than a widely commercialized engineering material. The compound falls within the broader family of rare-earth metal chalcogenides, which are investigated for potential applications in solid-state electronics, thermoelectrics, and advanced photonic devices where the combination of rare-earth and noble-metal elements can produce unusual electronic band structures.

Research and developmentThermoelectric materials (experimental)Semiconductor devices (exploratory)Optoelectronic applications (laboratory)Materials characterization studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	75.59	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3800	-	DFT · OptB88vdW
Shear Modulus(G)	5.070	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.866	kg/m³	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	0.8480	eV	DFT · OptB88vdW
↳	1.991	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.123	-	DFT · OptB88vdW
↳	6.149	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.2700	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.243	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000474	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00301	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-80.78	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	243.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	23.16	%	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)	-1.414	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

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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.

LuAgS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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