NaErF4 — Properties & Data | MatWorld

NaErF4

ceramic

· JVASP-53395· NaErF4

NaErF4 is a rare-earth fluoride ceramic compound containing sodium, erbium, and fluorine, belonging to the class of lanthanide fluorides used primarily in optical and photonic applications. This material is particularly valued in the research and development sectors for upconversion luminescence and laser-active host materials, where erbium ions enable efficient energy conversion under infrared excitation. Engineers and researchers select NaErF4-based systems for applications requiring tunable optical emission and low phonon energy characteristics that enhance fluorescence lifetime compared to oxide-based alternatives.

upconversion luminescence devicesoptical fiber amplifiersinfrared-to-visible convertersphotonic research applicationsfluorescent biomarkerssolid-state laser hosts

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.702	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	7.139	eV	DFT · OptB88vdW
↳	10.04	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	8.354	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.296	-	DFT · OptB88vdW
↳	1.908	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000662	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000475	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-289.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	446.7	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)	-3.902	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.

NaErF4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental