Tb2PbS4 — Properties & Data | MatWorld

Tb2PbS4

ceramic

· JVASP-53578· Tb2PbS4

Tb2PbS4 is a ternary ceramic compound combining terbium, lead, and sulfur, belonging to the family of rare-earth metal chalcogenides. This material remains largely in the research and development phase, studied primarily for its potential electronic and optical properties that could enable applications in specialized semiconductor or photonic devices where rare-earth doping provides enhanced performance.

research and developmentrare-earth ceramicssemiconductor materialsphotonic deviceshigh-density ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.022	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.235	eV	DFT · OptB88vdW
↳	2.701	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	42.03	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.10	-	DFT · OptB88vdW
↳	8.151	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.540	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.280	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1746	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00193	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00209	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-346.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	340.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.900	%	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)	0.06120	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.742	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.

Tb2PbS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental