WSeS — Properties & Data | MatWorld

WSeS

metal

· JVASP-28403· WSeS

WSeS is a ternary metal compound combining tungsten, selenium, and sulfur, likely investigated for applications requiring transition metal chalcogenide properties. This material family is primarily of research interest rather than established commercial production, with exploration focused on electronic, catalytic, or structural applications where layered or mixed-chalcogenide phases offer advantages over binary tungsten compounds (such as WS₂ or WSe₂).

catalytic research2D materials investigationelectronic device prototypinghydrogen evolution catalysisthin-film deposition studiesemerging functional materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	33.70	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)	24.70	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.977	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	0.5210	eV	DFT · OptB88vdW
↳	1.006	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.297	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.61	-	DFT · OptB88vdW
↳	11.99	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.03158	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000177	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00120	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	342	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	190.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.94	%	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)	0.1769	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6670	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.

WSeS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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