Sr4P2O — Properties & Data | MatWorld

Sr4P2O

ceramic

· Sr4P2O

Sr₄P₂O is a strontium phosphate ceramic compound that belongs to the family of phosphate ceramics used primarily in biomedical and advanced structural applications. While this specific composition is not widely commercialized as a primary engineering material, strontium phosphate ceramics are actively researched for bone regeneration scaffolds, biocompatible coatings, and specialized refractory applications due to strontium's bioactivity and phosphate chemistry's compatibility with biological systems. Engineers select strontium phosphate compositions when biocompatibility, bioactivity, and chemical stability in physiological environments are critical, offering advantages over purely inert ceramics in orthopedic and dental implant systems.

biomedical scaffoldsbone implant coatingsdental applicationsphosphate ceramicshigh-temperature refractoriesresearch/development phase

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	54.21	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	36.75	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.849	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	1.221	eV	DFT · OptB88vdW
↳	1.953	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	40.65	-	DFT · OptB88vdW
↳	31.02 range 7.843–54.19median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.816	-	DFT · OptB88vdW
↳	6.102	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.427	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000725	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00185	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-102.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	300.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	23.96	%	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)	-1.734	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.

Sr4P2O

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental