NaSe — Properties & Data | MatWorld

NaSe

ceramic

· NaSe

Sodium selenide (NaSe) is an ionic ceramic compound combining sodium and selenium elements, typically studied as a solid-state material with potential electrochemical and thermal properties. While not widely commercialized in high-volume engineering applications, NaSe and related alkali metal chalcogenides are of research interest in solid-state batteries, thermal management systems, and semiconductor device development, where their ionic conductivity and thermal characteristics may offer advantages over conventional ceramics in specialized environments.

solid-state battery researchthermal interface materialssemiconductor device applicationsionic conductor studiesexperimental optoelectronicshigh-temperature insulation research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,628.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	1,918.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1211	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4930	eV	DFT · OptB88vdW
↳	1.829	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.30	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.176	-	DFT · OptB88vdW
↳	4.011	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.3033	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.853	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000518	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00187	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-91.61	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	358.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	26.72	%	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)	-0.9027	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.

NaSe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental