Dy2Pb2O7 — Properties & Data | MatWorld

Dy2Pb2O7

ceramic

· JVASP-46080· Dy2Pb2O7

Dy2Pb2O7 is a rare-earth lead oxide ceramic compound belonging to the pyrochlore family, notable for its potential in high-temperature and radiation-resistant applications. This material is primarily of research and development interest rather than established high-volume production, investigated for potential use in advanced nuclear fuel matrices, thermal barrier coatings, and specialized electronic ceramics where its rare-earth dysprosium content and unique crystal structure may offer superior performance in extreme environments. Engineers would consider this material when standard ceramics prove inadequate for demanding applications involving thermal cycling, radiation exposure, or high-temperature stability beyond conventional alternatives.

nuclear fuel matricesradiation-resistant ceramicshigh-temperature coatingsadvanced electronic ceramicsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	9.134	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.033	eV	DFT · OptB88vdW
↳	1.927	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.974	-	DFT · OptB88vdW
↳	4.091	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.2900	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.280	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000533	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00172	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-91.83	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	396.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	24.58	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.293	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.

Dy2Pb2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental