MoW3Se4S4 — Properties & Data | MatWorld

MoW3Se4S4

metal

· JVASP-28964· MoW3Se4S4

MoW₃Se₄S₄ is a layered transition metal chalcogenide compound combining molybdenum, tungsten, selenium, and sulfur—a mixed-metal sulfoselenide belonging to the family of 2D materials and heterostructures. This is an experimental research material rather than an established commercial alloy, investigated primarily for electronic and catalytic applications where the combination of multiple transition metals and chalcogenides offers tunable properties. Engineers and researchers consider such compounds for energy conversion devices, catalysis, and optoelectronic applications where the layered structure and mixed-metal composition can provide enhanced performance compared to single-element or binary chalcogenides.

catalysis and electrocatalysis (HER, OER)2D materials researchenergy storage and conversionoptoelectronic devicestransition metal chalcogenidesexploratory materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	578.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1000	-	DFT · OptB88vdW
Shear Modulus(G)	641.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2060	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.6610	eV	DFT · OptB88vdW
↳	1.235	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	11.76	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.87	-	DFT · OptB88vdW
↳	9.003	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.02879	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.45	%	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)	0.1569	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7187	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.

MoW3Se4S4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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