TmMn12 — Properties & Data | MatWorld

TmMn12

metal

· JVASP-37589· TmMn12

TmMn12 is an intermetallic compound belonging to the rare-earth transition-metal family, specifically a thulium-manganese system with a 1:12 stoichiometry. This material is primarily of research and development interest rather than established commercial production, studied for its potential magnetic properties and high-temperature stability characteristics inherent to rare-earth intermetallics. Engineers and materials scientists investigate TmMn12 in contexts where magnetic performance, thermal robustness, or specialized electronic properties are required beyond conventional alloys, though material availability and processing complexity limit current industrial adoption.

magnetic materials researchhigh-temperature applicationsrare-earth intermetallicspermanent magnet developmentsolid-state physics experimentationadvanced aerospace/defense materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.907	kg/m³	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
Magnetic Moment(μB)	0.00100	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000470	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000465	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.233	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-3.550	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.02478	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

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.

TmMn12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control