Al2Ge2O7 — Properties & Data | MatWorld

Al2Ge2O7

Name: Al2Ge2O7
Brand: MatWorld

ceramic

· JVASP-45396· Al2Ge2O7

Al2Ge2O7 is an alumina-germanate ceramic compound belonging to the family of mixed-oxide ceramics. This material is primarily of research and developmental interest rather than a widely commercialized engineering ceramic, with potential applications in optical, thermal, and electronic contexts where germanate ceramics offer unique properties distinct from conventional alumina or silicate systems.

optical coatings and waveguideshigh-temperature thermal applicationselectronic substrate materialsgermanate ceramic researchrefractory material developmentadvanced ceramics prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1440	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.588	eV	DFT · OptB88vdW
↳	5.512	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.241	-	DFT · OptB88vdW
↳	1.499	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000580	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000375	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-92.67	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	430	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)	0.04210	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.434	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.

Al2Ge2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental