SiGeO2 — Properties & Data | MatWorld

SiGeO2

ceramic

· JVASP-136718· SiGeO2

SiGeO₂ is a mixed-oxide ceramic compound combining silicon, germanium, and oxygen phases, representing a specialized material within the silicate/germanate ceramic family. This composition is primarily investigated in research contexts for optoelectronic and photonic applications, where the germanium content modifies the optical and thermal properties compared to pure silica. The material's potential applications leverage germanium's role in tuning bandgap characteristics and refractive index, making it of interest for fiber optic components, infrared optics, and advanced ceramic matrix composites in demanding thermal environments.

optical fibers and waveguidesinfrared opticsresearch optoelectronicshigh-temperature ceramicsphotonic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	43.84	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4600	-	DFT · OptB88vdW
Shear Modulus(G)	20.65	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.139	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.667	eV	DFT · OptB88vdW
↳	2.037	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.909	-	DFT · OptB88vdW
↳	7.171	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	22.16	%	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)	1.087	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.088	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.

SiGeO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental