K2AgAu — Properties & Data | MatWorld

K2AgAu

metal

· JVASP-81859· K2AgAu

K2AgAu is an intermetallic compound combining potassium, silver, and gold in a defined stoichiometric ratio. This is a research-phase material rather than an established engineering alloy; it belongs to the family of precious-metal intermetallics and alkali-metal compounds, which are typically explored for specialized applications requiring unique electrical, thermal, or catalytic properties. Interest in such ternary systems generally centers on fundamental materials science investigations of phase stability, bonding behavior, and potential niche applications in catalysis, electronics, or advanced functional materials where the combination of noble metals and alkali chemistry offers performance advantages over conventional binary alloys.

research / fundamental materials scienceintermetallic phase studiescatalytic applications (exploratory)advanced functional materialsprecious-metal compound research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.049	kg/m³	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	0.000527	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000489	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-24.26	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-24.01	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)	-0.2005	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

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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.

K2AgAu

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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