LiNpIr2 — Properties & Data | MatWorld

LiNpIr2

ceramic

· JVASP-38890· LiNpIr2

LiNpIr2 is an intermetallic ceramic compound containing lithium, neptunium, and iridium—a research-phase material developed for advanced nuclear and high-performance applications. While not yet commercially established, this compound belongs to the family of neptunium-based intermetallics being explored for extreme-environment service where both high density and structural rigidity are required. Engineers would consider it primarily in specialized defense, nuclear fuel applications, or advanced materials research where the unique combination of heavy elements (neptunium, iridium) offers advantages in radiation shielding, neutron absorption, or ultra-high-temperature stability.

Nuclear fuel developmentRadiation shielding materialsAdvanced ceramic researchHigh-density structural compositesExtreme-environment applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	159.0	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	3.920	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	15.49	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	2.706	µB	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
Energy Above Hull(ΔEhull)	0.00480	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4554	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.

LiNpIr2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental