W4 S8 — Properties & Data | MatWorld

W4 S8

semiconductor

· W4 S8

W4S8 is a semiconducting compound from the transition metal dichalcogenide (TMD) family, likely a tungsten-sulfur composition in a specific stoichiometric or crystalline form. This material belongs to a class of layered semiconductors that have gained significant research attention for their unique electronic and optical properties in thin-film and nanostructured configurations. W4S8 and related tungsten sulfides are explored primarily in emerging applications where their tunable bandgap and anisotropic properties offer advantages over conventional semiconductors, though commercial deployment remains limited and material specifications are still being refined across research institutions.

2D semiconductors and heterostructuresOptoelectronic devices (emerging)Photovoltaic researchField-effect transistors (experimental)Catalytic and electrochemical applicationsAdvanced materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,068.1	ksi	DFT · OptB88vdW
Shear Modulus(G)	4,940	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.7806	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8750	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.

W4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control