ErNp3 — Properties & Data | MatWorld

ErNp3

ceramic

· JVASP-36086· ErNp3

ErNp3 is an intermetallic ceramic compound combining erbium and neptunium, representing a specialized material from the rare earth–actinide compound family. This material is primarily of research and advanced nuclear materials interest rather than commercial production, where it is investigated for potential applications requiring high-density phases in extreme environments, particularly within nuclear fuel cycles and materials science studies of actinide chemistry.

nuclear materials researchactinide chemistryhigh-density ceramicsadvanced fuel studiesextreme environment testingradiochemistry applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5396	lb/in³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000675	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000676	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-20.27	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-20.31	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.6262	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3824	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.

ErNp3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental