TePb — Properties & Data | MatWorld

TePb

ceramic

· TePb

TePb is a tellurium-lead ceramic compound, a binary intermetallic ceramic that combines a semimetal (tellurium) with a heavy metal (lead). This material belongs to the family of chalcogenide ceramics and is primarily of research interest rather than established industrial production, with potential applications in thermoelectric and semiconductor device research where the combination of tellurium and lead phases offers tunable electronic and thermal transport properties.

thermoelectric materials researchsemiconductor phase studieslow-temperature electronicsheavy metal ceramics researchmaterials science experimentationthermal management compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	41.38	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	30.03	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.935	kg/m³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.036	eV	DFT · OptB88vdW
↳	1.290	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	498.6	-	DFT · OptB88vdW
↳	103.9 range 29.34–178.5median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	20.57	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.28	%	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)	0.01280	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4168	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.

TePb

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental