Sm2Be2GeO7 — Properties & Data | MatWorld

Sm2Be2GeO7

ceramic

· JVASP-49193· Sm2Be2GeO7

Sm₂Be₂GeO₇ is a rare-earth beryllium germanate ceramic compound combining samarium, beryllium, germanium, and oxygen. This is a specialized research ceramic primarily investigated for high-temperature and photonic applications where its unique crystal structure and thermal stability offer potential advantages. The material belongs to an experimental class of mixed-metal oxides designed for extreme environments and optical device engineering.

High-temperature ceramicsPhotonic/optical materials researchThermal barrier applicationsRare-earth electronicsAdvanced refractory systemsMaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.007	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.564	eV	DFT · OptB88vdW
↳	6.396	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	12.86	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.888	-	DFT · OptB88vdW
↳	3.139	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.09949	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000632	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000204	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-116.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	521.2	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.

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)	-3.081	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.

Sm2Be2GeO7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental