TmNiBi — Properties & Data | MatWorld

TmNiBi

metal

· TmNiBi

TmNiBi is a ternary intermetallic compound composed of thulium, nickel, and bismuth, belonging to the rare-earth-containing metal family. This material is primarily of research interest rather than established industrial production, with potential applications in thermoelectric and magnetocaloric device research due to the electronic and magnetic properties that rare-earth intermetallics can exhibit. Engineers considering this material should recognize it as an experimental compound; its selection would be driven by specific functional requirements in solid-state energy conversion or magnetic cooling systems rather than proven high-volume industrial use.

thermoelectric devices (research)magnetocaloric cooling (experimental)rare-earth intermetallic compoundsfunctional materials researchelectronic properties tailoringmaterials discovery and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	10.95	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.1260	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	34.08	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1663	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00274	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00188	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-209.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	150.6	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)	-0.6949	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

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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.

TmNiBi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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