In2Ge2O7

ceramic

· JVASP-9706· In2Ge2O7

In₂Ge₂O₇ is an indium germanate ceramic compound belonging to the family of mixed-metal oxides. This material is primarily of research interest rather than widely established in mainstream industrial applications, with potential utility in optoelectronic devices, thermal management systems, and advanced ceramic applications where the combined properties of indium and germanium oxides offer advantages in electrical conductivity, thermal stability, or optical response.

optoelectronic substratesthermal barrier coatingssemiconductor device packagingresearch ceramicshigh-temperature insulatorsadvanced optical materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	19,878.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	7,137.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1985	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.975	eV	DFT · OptB88vdW
↳	3.913	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.982	-	DFT · OptB88vdW
↳	1.031	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000497	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000626	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-74.12	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	447.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.08000	%	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)	0.01750	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.726	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.

In2Ge2O7 — Properties & Data | MatWorld

In2Ge2O7

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental