Pr2Be2GeO7 — Properties & Data | MatWorld

Pr2Be2GeO7

ceramic

· JVASP-49192· Pr2Be2GeO7

Pr₂Be₂GeO₇ is a rare-earth beryllium germanate ceramic compound combining praseodymium, beryllium, and germanium oxides. This material is primarily of research and experimental interest, developed for specialized applications requiring combinations of rare-earth functionality with beryllium's lightweight properties and germanate-based structural characteristics. While not yet established in widespread industrial production, materials in this family are investigated for potential use in advanced optical, electronic, and thermal management systems where rare-earth doping and high-temperature stability are valuable.

optical ceramics (research)high-temperature structural materialsrare-earth host materialsexperimental electronicsthermal barrier coatings (exploratory)laser host materials (potential)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.531	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.382	eV	DFT · OptB88vdW
↳	6.278	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	12.34	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.922	-	DFT · OptB88vdW
↳	3.201	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1101	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000723	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000205	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-129.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	434.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-3.043	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.

Pr2Be2GeO7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental