TmNp3

ceramic

· JVASP-36055· TmNp3

TmNp3 is an intermetallic ceramic compound combining thulium (a rare-earth element) with neptunium, representing a highly specialized material from actinide chemistry. This compound is primarily of research and nuclear materials science interest rather than widespread commercial use, with potential applications in nuclear fuel cycles, high-temperature structural materials, or fundamental studies of actinide behavior and material properties. Engineers considering this material should recognize it as an experimental compound requiring specialized handling and licensing due to its radioactive constituents.

nuclear materials researchactinide compoundshigh-temperature ceramicsfundamental materials characterizationspecialized nuclear applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8,049.6	ksi	DFT · OptB88vdW
Shear Modulus(G)	1,462	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5435	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000326	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000327	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-14.93	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-14.96	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.6169	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3739	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.

TmNp3 — Properties & Data | MatWorld

TmNp3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental