Si3P2Pt

metal

· Si3P2Pt

Si3P2Pt is an intermetallic compound combining silicon, phosphorus, and platinum—a material family of growing interest in advanced materials research for high-performance structural applications. While not yet widely deployed in mainstream engineering, compounds in this class are being investigated for potential use in extreme-environment applications where conventional alloys reach their thermal or chemical limits, particularly where platinum's corrosion resistance and refractory metal properties offer advantages. Engineers considering this material should recognize it as an experimental/developmental compound; its viability depends on specific performance requirements and cost tolerance, as platinum-containing intermetallics remain largely in the research phase.

aerospace high-temperature componentscorrosion-resistant structural applicationsresearch materials developmentcatalyst support structuresextreme environment engineering

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	17,782.5	ksi	DFT
↳	17,303	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	11,675.3	ksi	DFT
↳	12,534.2	ksi	DFT · OptB88vdW

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
Density(ρ)	0.1944	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5890	eV	DFT · OptB88vdW
↳	0.9020	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	15.53	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.4327	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	29.90	%	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)	-0.4008	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

Export Control

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.

Si3P2Pt — Properties & Data | MatWorld

Si3P2Pt

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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