BeSiP2 — Properties & Data | MatWorld

BeSiP2

ceramic

· BeSiP2

BeSiP₂ is a beryllium silicate phosphide ceramic compound that combines beryllium, silicon, and phosphorus phases. This is primarily a research and developmental material studied for its potential in high-performance ceramic applications where thermal stability, chemical resistance, or specific electronic properties are required. The beryllium-containing system makes it notable in advanced materials research, though industrial adoption remains limited due to beryllium's toxicity concerns and the material's complex synthesis requirements compared to conventional ceramics.

Advanced ceramic researchHigh-temperature structural applicationsElectronic/semiconductor substratesThermal management componentsAerospace material candidatesChemical resistance testing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.730	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.325	eV	DFT · OptB88vdW
↳	1.937	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	10.72	-	DFT · OptB88vdW
↳	10.28 range 9.726–10.84median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.170	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4900	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5300	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.5399	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00264	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00360	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-206.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	264.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	24.38	%	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)	0.9650	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.5206	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.

BeSiP2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental