Pr2Te2O7

ceramic

· JVASP-49242· Pr2Te2O7

Pr2Te2O7 is a rare-earth tellurite ceramic compound combining praseodymium oxide with tellurium oxide in a pyrochlore-related crystal structure. This is primarily a research material studied for its potential in optical, thermal, and electronic applications rather than a mature commercial engineering material. The rare-earth tellurite family is of interest for solid-state laser hosts, thermal barrier coatings, and advanced ceramics where high thermal stability and optical transparency are desired, though Pr2Te2O7 specifically remains in the experimental phase of development.

research optical materialssolid-state laser hoststhermal barrier coatings (experimental)rare-earth ceramics developmenthigh-temperature stable compoundsphotonics materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2329	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.594	eV	DFT · OptB88vdW
↳	2.019	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.025	-	DFT · OptB88vdW
↳	5.511	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.740	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.210	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00173	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00171	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-384.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	388	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	22.59	%	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)	-2.223	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.

Pr2Te2O7 — Properties & Data | MatWorld

Pr2Te2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental