NpSi2Rh2 — Properties & Data | MatWorld

NpSi2Rh2

ceramic

· JVASP-17661· NpSi2Rh2

NpSi₂Rh₂ is an intermetallic ceramic compound combining neptunium, silicon, and rhodium elements, representing a specialized research material rather than an established commercial ceramic. This compound belongs to the family of actinide-based intermetallics and is primarily of academic and nuclear materials research interest, where it serves as a model system for understanding phase stability, mechanical behavior, and electronic properties in neptunium-bearing systems. The material's potential applications lie in advanced nuclear fuel chemistry, actinide metallurgy research, and fundamental studies of high-density ceramic intermetallics, though practical engineering deployment remains limited to controlled laboratory and specialized nuclear research environments.

nuclear materials researchactinide phase studieshigh-density ceramics researchfundamental material science characterizationneptunium chemistry applicationsspecialized laboratory testing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	147.3	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	81.09	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.983	kg/m³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	3.954	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000803	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000803	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-5.720	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-5.537	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7728	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.

NpSi2Rh2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental