TmAl7Au3 — Properties & Data | MatWorld

TmAl7Au3

metal

· JVASP-22762· TmAl7Au3

TmAl7Au3 is an intermetallic compound combining thulium, aluminum, and gold—a rare-earth metal alloy system that remains primarily in research and development rather than established industrial production. This material belongs to the family of rare-earth intermetallics, which are typically investigated for specialized high-temperature, magnetic, or electronic applications where conventional alloys fall short. The specific combination of thulium (a lanthanide), aluminum's light weight and thermal conductivity, and gold's chemical stability suggests potential applications in niche aerospace, thermoelectric, or advanced electronics contexts, though this particular composition is not yet a mainstream engineering material.

research and developmentintermetallic compoundsrare-earth alloyshigh-temperature materialselectronic materialsspecialty alloys

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.931	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
Thermoelectric Power Factor(PF)2 entries	0.000705	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000681	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	19.92	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	19.17	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)	-0.5341	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.

TmAl7Au3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control