TmNiSb

metal
· TmNiSb

TmNiSb is an intermetallic compound composed of thulium, nickel, and antimony, belonging to the half-Heusler alloy family—a class of materials engineered for electronic and thermoelectric applications. This is primarily a research material investigated for its potential in thermoelectric energy conversion and magnetoresistive devices, where the combination of metallic bonding and specific electronic band structure offers advantages in temperature-dependent electrical and thermal transport. Half-Heusler compounds like TmNiSb are notable for their tunable properties and potential to outperform conventional metallic or semiconducting alternatives in niche applications requiring simultaneous control of electrical conductivity and thermal management.

thermoelectric power generationwaste heat recoverymagnetoresistive sensorsresearch semiconductorssolid-state coolinglow-temperature electronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
14,213.7
ksi—
Poisson's Ratio(ν)
0.2500
-—
Shear Modulus(G)
8,641.3
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.3375
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.2280
eV—
Dielectric Constant (Relative Permittivity)(εr)
22.02
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)2 entries
0.1594
C/m²—
↳
0.02976
C/m²—
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²—
Seebeck Coefficient(S)
-269.2
µV/K—
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.9220
eV/atom—
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.