Tm2Pb2O7 — Properties & Data | MatWorld

Tm2Pb2O7

ceramic

· JVASP-52472· Tm2Pb2O7

Tm₂Pb₂O₇ is a rare-earth lead oxide ceramic belonging to the pyrochlore family, a class of complex oxides with distinctive crystal structures. This material is primarily of research and academic interest rather than established industrial production, studied for its potential in high-temperature applications, thermal barrier coatings, and advanced ceramics where rare-earth dopants and lead-containing phases provide tailored thermal and electrical properties.

thermal barrier coatings (research)high-temperature ceramicsrare-earth oxide compoundspyrochlore materials (fundamental research)materials for extreme environments (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	9.511	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.006	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.009	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.3033	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.350	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000538	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00176	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-90.49	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	403.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°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	Source
Energy Above Hull(ΔEhull)	0.00800	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.292	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.

Tm2Pb2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental