K3Ag3As2 — Properties & Data | MatWorld

K3Ag3As2

metal

· K3Ag3As2

K3Ag3As2 is an intermetallic compound combining potassium, silver, and arsenic elements. This is a research-phase material belonging to the family of ternary metal arsenides, not yet established in commercial production. The compound's potential lies in semiconductor, thermoelectric, or specialized electronic applications where the combination of these elements may offer unique electrical, thermal, or optical properties; however, practical engineering use remains limited to laboratory investigation.

experimental semiconductorsthermoelectric researchsolid-state physics studieselectronic materials developmentquantum material investigations

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	27.23	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	14.34	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.460	kg/m³	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	1.186	eV	DFT · OptB88vdW
↳	1.744	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	14.59	-	DFT · PBE
↳	11.74 range 9.012–14.46median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.737	-	DFT · OptB88vdW
↳	6.924	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.8400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.130	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00213	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00214	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-188	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	314.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	28.44	%	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)	-0.4118	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.

K3Ag3As2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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