NaAlSe2 — Properties & Data | MatWorld

NaAlSe2

metal

· NaAlSe2

NaAlSe2 is an intermetallic compound combining sodium, aluminum, and selenium elements, belonging to the class of metal selenides with potential semiconductor or optoelectronic properties. This is primarily a research-phase material rather than an established industrial compound; it represents the broader family of ternary metal chalcogenides being investigated for next-generation electronic and photonic applications. Engineers and materials scientists study compounds in this family for their tunable band gaps, light-emission characteristics, and potential in solid-state device architectures where conventional semiconductors face limitations.

experimental semiconductorsoptoelectronic researchphotovoltaic developmentthermoelectric materialsquantum device researchthin-film electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	33.52	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	18.53	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.737	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	2.439	eV	DFT · OptB88vdW
↳	4.078	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	15.54	-	DFT · OptB88vdW
↳	14.66	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.040	-	DFT · OptB88vdW
↳	4.508	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.1467	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8267	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	0.000262	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00276	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-48.36	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	266.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-1.108	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

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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.

NaAlSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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