SrGeP2O8 — Properties & Data | MatWorld

SrGeP2O8

ceramic

· JVASP-35193· SrGeP2O8

SrGeP2O8 is an inorganic ceramic compound containing strontium, germanium, and phosphorus oxides, belonging to the family of phosphate-based ceramics. This material is primarily investigated in research contexts for optical, thermal, and structural applications, with potential interest in photonic devices, thermal barrier coatings, and advanced ceramic matrices due to its compositional design combining network-forming (P, Ge) and network-modifying (Sr) cation roles. The strontium germanophosphate chemistry offers tailored thermal stability and dielectric properties compared to conventional single-cation phosphates, making it relevant for high-temperature engineering environments where thermal shock resistance and chemical durability are priorities.

thermal barrier coatingsoptical ceramics (research)high-temperature structural applicationsthermal management systemsphotonic/optical device substratesadvanced ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	93.40	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	57.68	GPa	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	3.892	kg/m³	DFT · OptB88vdW

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Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.339	eV	DFT · OptB88vdW
↳	6.064	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.079	-	DFT · OptB88vdW
↳	2.482	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00148	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00124	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-245.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	345.1	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.453	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.

SrGeP2O8

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental