YAu2 — Properties & Data | MatWorld

YAu2

Name: YAu2
Brand: MatWorld

metal

· YAu2

YAu2 is an intermetallic compound combining yttrium and gold in a 1:2 stoichiometric ratio, belonging to the rare-earth–noble-metal alloy family. This material is primarily of research and specialized industrial interest, valued for applications requiring the unique combination of yttrium's reactive properties and gold's chemical nobility, corrosion resistance, and electrical conductivity. YAu2 appears in niche sectors including advanced electronics, high-temperature bonding, and materials science investigations into intermetallic strengthening mechanisms.

intermetallic research compoundselectronic interconnectshigh-temperature bonding materialsrare-earth alloy developmentcorrosion-resistant coatingsspecialized brazing applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4578	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00000896	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000115	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-1.170	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-1.500	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.9469	eV/atom	DFT · OptB88vdW
↳	-0.8768	eV/atom	Measured

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

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.

YAu2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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