K3AuSe2 — Properties & Data | MatWorld

K3AuSe2

metal

· JVASP-11393· K3AuSe2

K3AuSe2 is an intermetallic compound combining potassium, gold, and selenium, representing a mixed-metal chalcogenide system with potential semiconductor or solid-state electronic properties. This is primarily a research-phase material rather than an established commercial alloy; compounds in this family are investigated for thermoelectric conversion, photovoltaic applications, and exotic electronic devices where the combination of noble metal (Au) and chalcogen (Se) chemistry offers tunable band structure and carrier transport characteristics. Engineers would consider K3AuSe2 mainly in exploratory materials development projects targeting energy conversion or solid-state electronics, where the specific electronic or thermal transport properties may outperform conventional alternatives.

thermoelectric materials researchphotovoltaic absorberssolid-state electronics developmentchalcogenide compound researchenergy conversion systemsexploratory phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,928.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	1,196.6	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1371	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.189	eV	DFT · OptB88vdW
↳	3.543	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.524	-	DFT · OptB88vdW
↳	3.445	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00139	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000401	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-145.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	438.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.100	%	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)	-1.045	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

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K3AuSe2

Mechanical Properties

Physical Properties

Electrical Properties

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