GeP2O7 — Properties & Data | MatWorld

GeP2O7

ceramic

· JVASP-58927· GeP2O7

GeP2O7 is a germanium phosphate ceramic compound belonging to the pyrophosphate family of inorganic oxides. This material is primarily investigated in research contexts for applications requiring phosphate-based ceramic systems, particularly in thermal and chemical environments where germanium-doped phosphates offer enhanced properties such as improved thermal stability or specific electrical characteristics compared to conventional phosphate ceramics.

thermal barrier coatingssolid-state electrolyteshigh-temperature ceramicsglass/ceramic compositesresearch and developmentspecialty refractories

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.420	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.081	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.977	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000948	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000430	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-136	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	422.6	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.070	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.

GeP2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental