CrAuS2

metal

· JVASP-63872· CrAuS2

CrAuS2 is an intermetallic compound combining chromium, gold, and sulfur, representing a ternary metal-chalcogenide system with potential relevance to advanced functional materials research. This composition sits at the intersection of high-performance metallurgy and materials chemistry, though it remains largely experimental; such ternary systems are typically investigated for specialized applications requiring unusual combinations of chemical stability, electronic, or catalytic properties. Engineers would consider this material only in niche, research-driven contexts where its specific chromium-gold-sulfur interactions offer advantages over conventional binary alloys or single-element solutions.

experimental/research compoundscatalytic applicationscorrosion-resistant coatingshigh-temperature contact materialssemiconductor interfacesspecialized electrochemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	12,873.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	3,792.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2445	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4420	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	79.52	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.6167	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5700	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	2.998	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00314	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00212	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-272.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	298.1	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)	-0.5562	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.

CrAuS2 — Properties & Data | MatWorld

CrAuS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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