Na0.02Pb0.98Te

ceramic

· Na0.02Pb0.98Te

Na0.02Pb0.98Te is a heavily sodium-doped lead telluride compound, a narrow-bandgap semiconductor ceramic belonging to the IV-VI chalcogenide family. This is a research material designed to explore doping effects on lead telluride's electronic and thermal properties, particularly for thermoelectric applications where carrier concentration tuning is critical. Lead telluride-based materials are established in mid-temperature thermoelectric power generation and cooling, and sodium doping modulates the Fermi level and phonon scattering to optimize the figure-of-merit; this composition is typically studied in the context of improving efficiency for waste-heat recovery or solid-state refrigeration over conventional alternatives.

thermoelectric power generationwaste heat recoverysolid-state coolinginfrared detectorsdoping studies for semiconductorsmid-temperature energy conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	2.675	W/(m·K)	—
↳	2.675	W/(m·K)	127°C

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
Electrical Conductivity(σ)	1,756.2	S/cm	127°C
Electrical Resistivity(ρe)	0.00000569	Ω·m	127°C
Thermoelectric Power Factor(PF)	0.00194	W/(m·K²)	127°C
Seebeck Coefficient(S)	105	μV/K	127°C
Thermoelectric Figure of Merit(zT)	0.2895	-	127°C

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

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.

Na0.02Pb0.98Te

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental