DyAl7Au3

metal

· JVASP-22758· DyAl7Au3

DyAl7Au3 is an intermetallic compound composed of dysprosium, aluminum, and gold, representing a rare-earth metallic system investigated primarily in materials research rather than established industrial production. This compound belongs to the family of rare-earth intermetallics, which are studied for potential applications requiring specific combinations of hardness, thermal stability, and electronic properties that differ significantly from conventional aluminum or gold alloys. Limited commercial deployment exists; the material is notable within the research community for understanding phase stability and properties in ternary rare-earth systems, with potential relevance to specialized high-performance applications where rare-earth strengthening mechanisms could provide advantages over conventional alternatives.

Research and developmentHigh-temperature structural applicationsRare-earth intermetallic studiesAdvanced material characterizationSpecialty alloy systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2827	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000632	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000601	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	19.04	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	18.16	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)	-0.5506	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.

DyAl7Au3 — Properties & Data | MatWorld

DyAl7Au3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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