K4BeP2 — Properties & Data | MatWorld

K4BeP2

ceramic

· K4BeP2

K4BeP2 is a beryllium phosphide ceramic compound belonging to the family of advanced ceramics with potential applications in high-performance thermal and electronic contexts. As a research-phase material, this compound is of interest primarily in academic and specialized industrial settings where beryllium's exceptional thermal conductivity and light weight are valued, though its industrial adoption remains limited compared to more established ceramic systems. Engineers would consider K4BeP2 in applications requiring thermal management or specialized electronic functions where beryllium-based ceramics offer advantages over conventional alternatives, though material availability, cost, and manufacturing maturity should be evaluated relative to project requirements.

thermal management systemshigh-performance ceramics researchspecialized electronics substrateslightweight structural compositesadvanced materials developmentexperimental aerospace components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	19.63	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	10.26	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.697	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
↳	2.716	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	6.459 range 4.421–8.497median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.298	-	DFT · OptB88vdW
↳	3.787	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000557	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000805	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-86.87	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	412	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.580	%	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)	-0.5062	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.

K4BeP2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental