NpTe — Properties & Data | MatWorld

NpTe

ceramic

· JVASP-19840· NpTe

NpTe is a ceramic compound composed of neptunium and tellurium, representing a rare actinide chalcogenide material studied primarily in nuclear materials research and solid-state chemistry. This material belongs to the family of heavy-element ceramics and is notable for its potential applications in nuclear fuel systems and radiation-resistant materials, though it remains largely in the research phase rather than widespread commercial use. Engineers investigating advanced nuclear materials, high-temperature ceramics, or radiation-tolerant compounds would evaluate NpTe for its unique crystal structure and behavior under extreme conditions.

nuclear fuel researchactinide ceramicsradiation-resistant materialshigh-temperature ceramicssolid-state physics studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	60.13	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	33.44	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	10.12	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	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	4.528	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00118	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00118	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-38.27	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-38.32	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)	-0.7170	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.

NpTe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental