La2.74Te4

ceramic

· La2.74Te4

La2.74Te4 is a rare-earth telluride ceramic compound belonging to the lanthanide chalcogenide family. This is a research-phase material primarily investigated for thermoelectric and thermal management applications due to its low thermal conductivity and potential for heat isolation in advanced electronic devices. Engineers would consider this material for specialized applications requiring thermal barriers or thermoelectric energy conversion, particularly in environments where conventional insulators are insufficient or where the unique properties of rare-earth tellurides offer advantages over oxides or traditional ceramics.

thermoelectric devicesthermal barrier coatingsheat isolation systemssolid-state coolingresearch phase ceramicshigh-temperature insulation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	1.000	W/(m·K)	—
↳	1.000	W/(m·K)	427°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)	235.3	S/cm	427°C
Electrical Resistivity(ρe)	0.0000425	Ω·m	427°C
Thermoelectric Power Factor(PF)	0.000595	W/(m·K²)	427°C
Seebeck Coefficient(S)	-159	μV/K	427°C
Thermoelectric Figure of Merit(zT)	0.4164	-	427°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.

La2.74Te4

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental