Sm2Ge2O7 — Properties & Data | MatWorld

Sm2Ge2O7

ceramic

· JVASP-43922· Sm2Ge2O7

Sm₂Ge₂O₇ is a rare-earth germanate ceramic compound containing samarium and germanium oxides, belonging to the family of rare-earth pyrogermanates. This material is primarily investigated in research and advanced materials development for high-temperature applications and specialized optical or thermal management systems, where its rare-earth composition and crystalline germanate structure offer potential advantages over conventional ceramics in extreme environments.

high-temperature ceramics researchrare-earth materials developmentthermal barrier coatingsoptical materials researchnuclear/radiative applicationsadvanced refractory compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2555	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.712	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.673	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.2900	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.920	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000562	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00136	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-88.93	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	413.3	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.731	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.

Sm2Ge2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental