K2CdAu4S4 — Properties & Data | MatWorld

K2CdAu4S4

metal

· JVASP-24905· K2CdAu4S4

K2CdAu4S4 is an intermetallic sulfide compound containing cadmium and gold, representing a specialized class of ternary metal chalcogenides. This material is primarily of research interest rather than established industrial use, studied for potential applications in solid-state chemistry, semiconductor physics, and materials science where complex metal-sulfide phases offer tunable electronic and thermal properties. The compound's notable feature is its mixed-metal composition combining precious metal (gold) with transition metals, which researchers investigate for optoelectronic or thermoelectric functionality.

research and developmentsolid-state physicsintermetallic compoundsexperimental semiconductorsphase diagram studiesmaterials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2421	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.964	eV	DFT · OptB88vdW
↳	2.922	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.748	-	DFT · OptB88vdW
↳	5.169	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4600	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000913	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00140	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-115.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	278.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.620	%	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)	-0.6347	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.

K2CdAu4S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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