PI2 — Properties & Data | MatWorld

PI2

ceramic

· PI2

PI2 is a ceramic compound belonging to a layered or two-dimensional material family, likely a phosphide, nitride, or similar inorganic ceramic phase. While specific industrial production data is limited, materials in this class are of significant research interest for applications requiring combined mechanical rigidity and thermal stability, with the low exfoliation energy suggesting potential for nanosheet or thin-film device integration.

Two-dimensional materials researchSemiconductor device substratesHigh-temperature structural applicationsThermal management componentsNanoelectronics and heterostructuresAdvanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11.07	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	96.32	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	6.820	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.281	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	1.594	eV	DFT · OptB88vdW
↳	2.394	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	8.138	-	DFT · OptB88vdW
↳	4.250	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.060	-	DFT · OptB88vdW
↳	5.891	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.460	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.517	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	0.00131	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00142	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-297	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	276.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.66	%	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)	-0.05037	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.

PI2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental