Ge3Bi2O9 — Properties & Data | MatWorld

Ge3Bi2O9

ceramic

· JVASP-29254· Ge3Bi2O9

Ge3Bi2O9 is a germanate-bismuth oxide ceramic compound belonging to the family of mixed-metal oxides with potential applications in photonic and electronic materials. This is primarily a research-stage material; germanate-bismuth ceramics are investigated for their optical properties, thermal stability, and potential use in radiation detection or scintillation applications where the combination of heavy elements (Bi, Ge) offers favorable interactions with electromagnetic radiation. The material's notable characteristic is the incorporation of bismuth, which can impart radiation-absorbing capacity and potentially useful dielectric or luminescent properties compared to single-component oxides.

radiation detection researchscintillation materialsphotonic ceramicsadvanced optics developmentelectronic materials researchthermal barrier applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.086	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.933	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.298	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.147	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.687	me	DFT · OptB88vdW · 27°C
Thermoelectric Power Factor(PF)2 entries	0.00131	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000892	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-197.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	249.1	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.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.04630	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.614	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.

Ge3Bi2O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental