NaBeAs — Properties & Data | MatWorld

NaBeAs

ceramic

· NaBeAs

NaBeAs is a ternary ceramic compound combining sodium, beryllium, and arsenic elements, belonging to the family of intermetallic and chalcogenide ceramics. This material is primarily of research interest rather than established in high-volume industrial production, with potential applications in semiconductor and optoelectronic devices where the combination of these elements can offer unique electronic or photonic properties. Engineers would evaluate NaBeAs in specialized contexts such as wide-bandgap semiconductor development or photonic crystal research, where the specific atomic arrangement and resulting mechanical and electronic characteristics provide advantages over conventional binary ceramics or standard semiconductor materials.

Research semiconductorsOptoelectronic devicesWide-bandgap materialsPhotonic applicationsHigh-temperature ceramics (experimental)

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	45.41	GPa	DFT
↳	53.34	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2000	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	33.26	GPa	DFT
↳	40.89	GPa	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)	3.147	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	1.499	eV	DFT · OptB88vdW
↳	2.322	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	13.29	-	DFT · OptB88vdW
↳	12.61	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.463	-	DFT · OptB88vdW
↳	6.558	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	2.350	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.970	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	0.00363	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00311	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-336.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	254.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.09	%	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)	-0.4740	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.

NaBeAs

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental