K3Sb2Au3

metal

· K3Sb2Au3

K3Sb2Au3 is an intermetallic compound combining potassium, antimony, and gold—a ternary metal system that is primarily of research and exploratory interest rather than established industrial production. This material belongs to the class of complex intermetallics, which are studied for potential applications in thermoelectric devices, electronic materials, and catalysis due to their unique electronic structures and crystal symmetries. While not yet widely adopted in commercial applications, compounds of this chemical family are investigated for next-generation energy conversion systems and specialized electronic components where the specific combination of constituent elements may offer performance advantages over simpler binary alloys.

thermoelectric researchintermetallic compound developmentelectronic materials (experimental)catalysis (exploratory)materials science researchhigh-temperature applications (potential)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,412.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	1,720.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2360	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.010	eV	DFT · OptB88vdW
↳	1.548	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	16.90 range 13.17–20.63median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	12.94	-	DFT · OptB88vdW
↳	9.172	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.340	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5633	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00285	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00383	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-214.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	297.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.69	%	DFT · TBmBJ

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)	-0.5105	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.

K3Sb2Au3 — Properties & Data | MatWorld

K3Sb2Au3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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